February 2007 - BNC-all - ecn.purdue.edu

BNC Progress Report
by Timothy Sands 01 Mar '07

01 Mar '07

Dear Birck Nanotechnology Center Member: You probably know from walking through the building lately that the activity level in the BNC is ramping up quickly. I'd like to share with you some tangible evidence of the growing momentum in the form of some notable numbers: 421 researchers have been trained to use the BNC facilities 103 refereed papers (listed in the ISI Web of Science database) have been published with the Birck Nanotechnology Center as an author affiliation ("Address = Birck Nano*"); 63 in FY2005-06 alone. 192 proposals have been submitted through the BNC business office, and 100 of those have resulted in awards thus far, a 52% success rate (will be higher when the results from pending proposals are known). Of the 192 proposals, 78 were submitted in the first 7 months of FY2006-07. Research expenditures, including direct costs and facilities & administration (indirect costs) from external sources (i.e., not including cost sharing), total $31M to date. If you would like more detail, please see the attached pdf file. Congratulations to each of you for your part in this early success! Regards- Tim -- Timothy D. Sands Director, Birck Nanotechnology Center Discovery Park, Purdue University www.nano.purdue.edu & Basil S. Turner Professor of Engineering School of Materials Engineering & School of Electrical and Computer Engineering https://engineering.purdue.edu/MSE/Turner Birck Nanotechnology Center 1205 West State Street West Lafayette, IN 47907-2057 phone: (765) 496-6105 fax: (765) 496-8383 e-mail: tsands(a)purdue.edu

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MONDAY MEMO (delayed this week)
by Deborah Starewich 27 Feb '07

27 Feb '07

This is actually the ³Tuesday² Memo as I was out of the office yesterday :) MONDAY MEMO, FEBRUARY 26, 2007 CONTENTS 1. Announcements 1.1: Placing orders with OnePurdue 1.2: Discovery Park Undergraduate Research Internships (DURI) Fall 2007 Opportunities; project descriptions due 03.05.07 2. Faculty/Staff/Student Awards and Honors 2.1: Eric Stach, 2007 College of Engineering Early Career Research Excellence Award. 3. Seminar Announcements 3.1: Wednesday, 02.28, 2:00 PM, EE 317 ³Nanolithography,² by Minghao Qi, Purdue University 3.2: Thursday, 03.01, 10:30 AM, BRK 1001 ³Computer Simulation of Nanoparticles, Viruses, and Electrical Power-Generating Bacteria,² by Peter Ortoleva, Indiana University 3.3: Friday, 03.02, 9:30 AM, BRK 1001 ³MEMS-Enabled Nanotechnology,² by Dr. Bai Xu, State University of New York at Albany 3.4: Friday, 03.02, 3:30 PM, MSEE B012 ³High Performance Automotive Castings Theory and Reality of Their Production,² by Nick Green, The University of Brimingham 4. Workshops/Conferences NONE 5. Job/Fellowship opportunities 5.1: Eta Kappa Nu corporate relations: 02.27 Northrup Grumman; 02.28 Intel 5.2: NEXTRANS Center Managing Director; Discovery Park and the Office of the Vice President are launching a newly funded center on transportation research. **************** 1. Announcements **************** 1.1: Placing orders with OnePurdue. Until graduate students and other staff are trained to use the new purchasing tool through OnePurdue, staff members who have been trained will place orders for you. Those members include Annie Cheever, Vikki Fast, Jeremy Schroeder, Deborah Starewich, and MaryJo Totten. To expedite your orders, please 1) complete a purchase order form (available from the business office); this form should include the account number to charge and the signature of the PI or person who has authority to purchase from the account being used; 2) if ordering chemicals or gases, include the MSDS; 3) if ordering chemicals or gases, obtain the necessary approval from either Kenny Schwartz (gases; kfschwar(a)purdue.edu <mailto:kfschwar@purdue.edu> ) or Steve Jurss (chemicals; sejurss(a)purdue.edu <mailto:sejurss@purdue.edu> ) 4) please provide a quote from the company, if available; 5) present in hard copy form all documentation associated with the order to the person with whom you submitted the order. 1.2: Discovery Park Undergraduate Research Internships (DURI) Fall 2007 Opportunities; project descriptions due 03.05.07. The Discovery Learn Center invites all Purdue faculty members to submit descriptions for interdisciplinary research that will engage top undergraduate students in Discovery Park projects. Faculty with approved project submissions will have the opportunity to select from a pool of highly talented and motivated students. If you see yourself as a mentor to undergraduates who aims to foster the exchange of ideas and create new research opportunities, please consider submitting a project description. The Lilly Endowment, Inc. endowed the DURI program to stimulate awareness of advanced research and promote interest in graduate study. The DURI program funds approximately 50 internships every fall and spring semester. Students receive a $500 scholarship each semester in recognition of their selection and participation. Information is available online at www.purdue.edu/dp/learningcenter/duri/ <http://www.purdue.edu/dp/learningcenter/duri/> ; use the simple on-line form to submit your project descriptions; view additional information and sample descriptions. Project descriptions are due March 5, 2007; if you have any questions, please contact Amy Childress, childres(a)purdue.du; 63590. **************** 2. Awards/Honors **************** 2.1: Eric Stach is the 2007 College of Engineering Early Career Research Excellence Award. This award will be conferred formally at the College of Engineering Faculty Awards Banquet on 04.28. ************************ 3. Seminar Announcements ************************ 3.1: Wednesday, 02.28, 2:00 PM, EE 317 ³Nanolithography,² by Minghao Qi, Purdue University ABSTRACT: Integrated circuits have dramatically changed the way people live, communicate and work over the past forty years. For example, digital storage has almost eliminated the need for printed materials as a method of preserving information. However, another means of printing, or lithography, has been the driving force for the ever faster, cheaper, yet more powerful computer chips. Lithography is probably the most important process in transforming human creativity and engineering efforts into real devices or systems. This tutorial will go through pattern generation and duplication, as well as resist technology. Both fundamental laws governing the resolution and throughput of lithography and latest trends in state-of-the-art lithography will be discussed. At the nanometer length scale, lithography continues to play a central role in prototyping novel devices, and will meet in the near future the bottom-up approach, which generates patterns by controlled chemical growth/synthesis. NOTE: This seminar is being taped for the nanoHUB¹s Nanotechnology 501 Seminar Series at http://www.nanohub.org/education/nanotechnology501 <http://www.nanohub.org/education/nanotechnology501> ABSTRACT: Minghao Qi received his BS degree in Chemical Physics from the U of Science and Technology of China in 1995. He received his MS and PhD in Electrical Engineering from Massachusetts Institute of Technology in 1998 and 2005 respectively. He was a post-doctoral research associate in the Research Laboratory of Electronics at MIT before joining Purdue University as an assistant professor of Electrical and Computer Engineering in August 2005. 3.2: Thursday, 03.01, 10:30 AM, BRK 1001 ³Computer Simulation of Nanoparticles, Viruses, and Electrical Power-Generating Bacteria,² by Peter Ortoleva, Indiana University ABSTRACT: Models of cells and nanometer-scale biosystems are presented that clarify their physico-chemical characteristics and allow for computer-aided design of therapeutic and nanotechnical devices. Multiscale techniques are used to obtain rigorous, coarse-grained equations for the migration and structural transitions of viruses and other bionanostructures. The theory starts with the N-atom Liouville equation and arrives at Langevin equations for the fluctuating dynamics of order parameters characterizing the state of major nanoscale components (e.g., protomers, pentamers, and hexamers for viral capsids). Application of the theory to macromolecules is also illustrated. A phenomenological approach is used to analyze electrical power generating bacteria. A microbial fuel cell is described in terms of a circuit diagram accounting for nanowires. These wires are self-assembled by the bacterium to mediate electron transfer processes. When the bacteria, electrodes, and substrate-bearing fluids are correctly configured, the system constitutes a bacterial fuel cell capable of directly converting organic waste into electrical power. BIO: Peter J. Ortoleva is a Distinguished Professor and Director of the Indiana University Center for Cell and Virus Theory in the Department of Chemistry. He received his PhD in Applied Physics at Cornell U, was a Postdoc in the Dept of Chemistry at MIT, and joined the faculty of the Dept of Chemistry at Indiana U in 1975. He has published over 187 refereed papers, 3 monographs, and 3 edited volumes. His research interests include: the theory of reaction-transport mechanical systems; chemical kinetic; statistical mechanics; cell and virus modeling; regulatory network discovery; and nonlinear dynamical systems theory. Host: Sabre Kais, Chemistry Dept (45965; kais(a)purdue.edu) SPONSORED BY: Birck Nanotechnology Center, Bindley Bioscience Center, Discovery Park, The NASA Institute for Nanoelectronics and Computing, The Network for Computational Nanotechnology, VEECO, NCN Student Leadership Council, Department of Chemistry, Department of Physics, School of Chemical Engineering, School of Electrical and Computer Engineering, School of Mechanical Engineering 3.3: Friday, 03.02, 9:30 AM, BRK 1001 ³MEMS-Enabled Nanotechnology,² by Dr. Bai Xu, State University of New York at Albany ABSTRACT: The pressure for reduction in cost and development time in new product, together with the need to pack more functions into smaller volumes in silicon chips has been fueling the development of semiconductor industry. However, the current semiconductor technologies available essentially involve merging of chips fabricated with standard CMOS technology. These CMOS compatible technologies provide an integration solution with compatible fabrication processes that require little changes in process integration. Even with some limited product offerings such as integrated accelerometers and pressure sensors, it remains a challenge to merge devices from non-compatible fabrication processes in a cost-effective way. Nanotechnology, enabled by Micro-Electro Mechanical Systems (MEMS), may offer a solution by making inexpensive LEGO-like building blocks to snap together a system. MEMS-enabled nanotechnology applies the tools and processes of nano/microfabrication, compatible or non-compatible with CMOS, to build devices and systems. This presentation will be focusing on the current topics in the development of nanotechnology and MEMS technology. After a brief overview of the College of Nanoscale Science and Engineering at University at Albany/SUNY, a few project examples will be used to introduce our MEMS program. MEMS provide important tools to address the bottlenecks in realizing Feynman's vision of nanotechnology: the fusion of Nanotech, Biotech and Infotech, which is a growing area of scientific and technological opportunities. BIO: Prof. Bai Xu obtained his PhD in Material Sciences from U of Paris/CNRS in 1991. He is currently an Assistant Professor of SUNY at Albany and Senior Research Scientist of Albany NanoTech. Prof. Xu manages the MEMS program at Albany NanoTech, which has a technology portfolio of optical MEMS, bioMEMS, fluidic MEMS and RF MEMS. Before joining Albany NanoTech, Prof. Xu worked at IME Singapore and I-STAT Canada where he initiated a number of MEMS development projects that led to the fabrication of MEMS micro-relays, MEMS microphone, pressure sensors, flow sensors, accelerometers and miniaturized biomedical testing devices. Prof. Xu has been very active in the MEMS and Nanotechnology area. He served on the review panel of the National Science Foundation to review the Nanotechnology Interdisciplinary Research Team Proposals. He was the Chair of the Special Symposium for Science and Fabrication of Nanosystems sponsored by the Upper State New York Chapter of the American Vacuum Society. Prof. Xu has given over 30 invited talks at Intel, GE, IBM, Finisar, 3M and other universities, as well as in international technical conferences in USA, Canada, Mexico, Germany, Japan, China mainland and Taiwan. He is currently co-chairing the MEMS fluidic I/O standardization working group sponsored by SEMI. Professor Xu also serves in the Editorial Board of ³Nanomedicine,² the Journal of the American Academy of Nanomedicine (bxu(a)uamail.albany.edu) Host: Xianfan Xu, Mechanical Engr (45639; xxu(a)ecn.purdue.edu) SPONSORED BY: Birck Nanotechnology Center, Bindley Bioscience Center, Discovery Park, The NASA Institute for Nanoelectronics and Computing, The Network for Computational Nanotechnology, VEECO, NCN Student Leadership Council, Department of Chemistry, Department of Physics, School of Chemical Engineering, School of Electrical and Computer Engineering, School of Mechanical Engineering 3.4: Friday, 03.02, 3:30 PM, MSEE B012 ³High Performance Automotive Castings Theory and Reality of Their Production,² by Nick Green, Professor of Casting Technology; Metallurgy and Materials Department; The University of Birmingham; Edgbaston, Birmingham, United Kingdom ABSTRACT: For the past three decades the Cosworth process has been considered the benchmark against which the reliability of structural aluminum alloy castings is measured. Though adhering only to the simple¹ principles of attaining and maintaining liquid metal integrity through avoidance of free surface turbulence during metal movement, the process poses significant challenges when operated at an industrial scale. This seminar will review free surface turbulence as a mechanism for formation of oxide bifilms and their impact on casting reliability, describe the high volume Cosworth casting process and present results of a recent benchmarking exercise of European premium automotive foundries. BIO: Nick Green holds the EPSRC/Rolls-Royce Star Appointment in Casting Technology and has worked in casting research since completing his PhD (Cambridge 1992), beginning his postdoctoral career at Birmingham. He then moved into the automotive foundry industry. Throughout his career he has pursued his interest in relationships between casting processes and casting reliability, applying root cause understanding of defect forming mechanisms to casting process development for improved reliability, process simplification and scrap reduction. Prior to his appointment he worked for eight years in the automotive foundry industry, most recently as Technical Director of Cosworth Technology Ltd (20002005), developing innovative solutions for improved material and engine performance in high volume, niche and racing applications. Recent research led to two patent applications in the areas of enhanced integrity/fatigue life and enhanced dimensional accuracy. From 1996 to 2000 he was Technical Manager of VAW motorcast Ltd, a major UK automotive foundry manufacturing approximately 1.51.8 million cylinder heads and engine blocks per annum. During this period he was also Competence Leader for Process Development within VAW¹s group of European foundries. In 19981999 he directed the technical launch of a major green field joint venture in Mexico (Castech SA de CV) to produce aluminum cylinder heads and blocks for the North American market. In 2000 he was awarded the American Foundrymen¹s Society (AFS) Howard F Taylor Award and received their best paper award in both 1998 and 1994. Between 1994 to 1996 he was an industrially funded Senior Research Fellow at The University of Birmingham developing and implementing root cause solutions to long standing casting integrity, reliability and productivity problems, and from 1992 to 1994 was an SERC Research Fellow researching defect formation in cast aluminum alloys. ************************ 4. Workshops/Conferences ************************ NONE ******************************** 5. Fellowship/Job Opportunities ******************************** 5.1: Eta Kappa Nu Corporate Visits: 02.27: Northrop Grumman free bagel/donut day, HKN Lounge, EE WHILE SUPPLIES LAST; www.northropgrumman.com 02.28: Intel Free Bagel/Donut Day, HKN Lounge -- WHILE SUPPLIES LAST; representative on site 8-10:30 am; bring your resume; www.intel.com Check bagel status http://hkn.ecn.purdue.edu/bagelcam.php 5.2: NEXTRANS Center Managing Director; Discovery Park and the Office of the Vice President are launching a newly funded center on transportation research (www.purdue.edu/dp/nextrans/) REQUIRED QUALIFICATIONS: Master¹s Degree in engineering, science, business or related field required. Five or more years of professional experience in a transportation-related field required. Significant experience serving in a managerial role required. Candidates must possess excellent oral and written communication skills as well as interpersonal and negotiation skills; must be self-motivated and have the ability to exercise sound judgment in prioritizing tasks. PREFERRED QUALIFICATIONS: PhD in engineering, science, business, or related field preferred. Experience with academic environment and a general knowledge of University business policies and procedures preferred. Knowledge of fiscal planning/budgeting and subject matter also preferred. JOB DUTIES: Provide day-to-day supervision of NEXTRANS staff and oversee delivery of enhancement programs and outreach activities. Pursue/recruit potential new partners. Report on Strategic Plan performance metrics; facilitate the external peer review process for proposals; disseminate reports; serve as liaison and organizational coordinator to the Advisory Council and Executive Committee. Coordinate operations with other Region 5 University Transportation Centers (UTCs) as well as with other Regional UTCs. Monitor adherence to program timelines and monitor cost-share. Supervise Center website and newsletter. Serve as operational liaison to the UTC Programs office. Act as part of the leadership team that implements the vision and fosters interdisciplinary collaborations in support of the Discovery Park mission, managing the interface between faculty and facilities. Interface with appropriate academic units on charge-back systems and space issues, and engage faculty/staff about their research interests in focus areas and/or the use of the affiliated facilities/laboratories. Represent the NEXTRANS Center at functions when delegated by the Center Director. Provide leadership and supervision in organizing and managing special events, and devise and implement plans for development, marketing, and communication. Deborah S. Starewich Administrative Assistant to Timothy D. Sands, Director Birck Nanotechnology Center Purdue University 765-494-3509 dstarewi(a)ecn.purdue.edu http://www.nano.purdue.edu/

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The first talk in this semester's CCAM seminar series
by Jie Shen 26 Feb '07

26 Feb '07

CCAM Seminar Series on "Mathematics and Numerics of Fluid Dynamics with an Emphasis on Complex Fluids" Title: Simulation of Complex Fluids using Dissipative Particle Dynamics Speaker: Professor George Karniadakis, Brown University Time and place: Friday March 2, 3:30pm at UNIV 103 Abstract: Dissipative Particle Dynamics (DPD) is a relatively new mesoscopic method particularly suitable for simulating biopolymers. It is a coarsed grained molecular dynamics method and exhibits both thermal fluctuations but also hydrodynamics behavior. In this presentation, I will review some of the recent advances but also the limitations due to boundary conditions and extreme coarse graining. Examples will be given for DNA dynamics in nanochannels and modeling of red blood cells at the nanometer scale. ------------------------------------- -- **************************************************************** Professor http://www.math.purdue.edu/~shen Department of Mathematics tel: 1-765-494-1923 Purdue University fax: 1-765-494-0548 West Lafayette, IN 47907 e-mail: shen(a)math.purdue.edu ***************************************************************

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Nano Seminar: Dr. Samir Iqbal, Purdue, Thurs., 2/22/07, @ 10:30 AM, BRK 1001 (On the Cross Roads of Biology and Nanotechnology Selective DNA Nanopore Sensors
by Deborah Starewich 21 Feb '07

21 Feb '07

Late announced seminar . . . Didn't make the Monday memo so I am sending an additional e-mail ³On the Cross Roads of Biology and Nanotechnology Selective DNA Nanopore Sensors² Thursday, February 22, 2007 Birck Nanotechnology Building, Room 1001 10:30 AM Dr. Samir Iqbal Purdue University The ability to manipulate and identify the properties of single biological molecules with the potential of characterizing biological processes at the most fundamental levels can significantly facilitate rapid diagnostics and therapeutics. Fabrication of solid-state devices investigating bacteria, viruses, proteins and even at such smaller sizes as of DNA can create a large arsenal of highly specific and ultra-sensitive biosensors and systems. From a long list of nano- scale solid- state biological sensors pursued in our lab, two important silicon based electrical frameworks will be discussed. These novel systems have been used to characterize DNA molecules. First, a method employing metal nano-electrodes with nanometer scale spacing will be presented. These nano-electrodes were used to measure the effects of the GC-content of the DNA on its DC conductivity. A dramatic decrease in conductance was seen on heating the DNA devices, analogous to an electrical fuse, attributable to complete or partial denaturing of the ds-DNA molecules that bridged the nanogaps. These findings have applications in non-optical detection of extremely low concentrations, biophysical studies of charge transport, and control of DNA-modified materials. Second, solid-state nanopores, progenitors of rapid and cheap next-generation DNA sequencing ³machines², selective to important DNA sequences will be described. To date, this work is the first evidence of engineering selectivity in solid-state nanopores. Distinctly different translocation signatures and event frequencies were discovered for important DNA targets. The selective solid-state nanopores realized in an array format can open avenues to novel devices for sequencing, detection of single nucleotide polymorphism, expression analysis, etc. as well as detection of specific proteins using specific ligand-receptor systems from very few copies of the analytes. Such selectivity can be electrically measured and can be used for direct label-free sequencing and detection of nucleic acids. These devices can potentially mimic the exquisite selectivity found in natural biological channels in cell or nuclear membranes, and help unravel the physics of selective and facilitated transport of bio-molecules in nanoscale channels. Dr. Samir Iqbal is working in the Laboratory of Integrated Bio-Nano Applications (LIBNA) in Birck Nanotechnology Center. He received his undergraduate degree in Electrical Engineering from NED University of Engineering and Technology, Karachi, Pakistan. He worked in various technical and management positions in academia, military, industry and nonprofits for five years before joining the School of Electrical and Computer Engineering at Purdue University in direct Ph.D. program. In graduate school, he received a number of awards and distinctions, most notably the Magoon Award for Excellence in Teaching from the College of Engineering and an NSF fellowship to attend summer school at Northwestern University, Illinois, USA. He received his doctoral degree under the supervision of Professor Rashid Bashir in February 2007. SPONSORED BY: Birck Nanotechnology Center, Bindley Bioscience Center, Discovery Park, The NASA Institute for Nanoelectronics and Computing, The Network for Computational Nanotechnology, VEECO, NCN Student Leadership Council, Department of Chemistry, Department of Physics, School of Chemical Engineering, School of Electrical and Computer Engineering, School of Mechanical Engineering ------ End of Forwarded Message

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CANCELATION: SEMINAR postponed -- Parijat Deb, Thursday, 02.22, 10:30 to be rescheduled
by Deborah Starewich 19 Feb '07

19 Feb '07

Deborah S. Starewich Administrative Assistant to Timothy D. Sands, Director Birck Nanotechnology Center Purdue University 765-494-3509 dstarewi(a)ecn.purdue.edu http://www.nano.purdue.edu/ ------ Forwarded Message From: Annette M Cheever <acheever(a)dynamo.ecn.purdue.edu> Date: Mon, 19 Feb 2007 11:46:49 -0500 To: "Deborah S. Starewich" <dstarewi(a)purdue.edu> Cc: Annette M Cheever <acheever(a)dynamo.ecn.purdue.edu> Subject: Fwd: NSAC Thursday seminar: Parijat's talk Thursday postponed Parijat Deb is canceling his talk for this Thursday. Annie Begin forwarded message: > From: Laura Biedermann <biedrmnn(a)purdue.edu> > Date: February 19, 2007 11:20:30 AM EST > To: Annie Cheever <acheever(a)ecn.purdue.edu> > Cc: Parijat Pramil Deb <pdeb(a)purdue.edu>, "Dr. Tim Sands" > <tsands(a)purdue.edu> > Subject: NSAC Thursday seminar: Parijat's talk Thursday postponed > > Hi Annie, > > Parijat would like to cancel his talk this Thursday at 10:30 am due > to the conflict with the IBM researcher's talk at the same time. > > Parijat will contact you to reschedule his talk for some time (not > 10:30 am on a Thursday) towards the end of March. > > Thank you and sorry for the late notice. > > Thanks, > > Laura ------ End of Forwarded Message

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MONDAY MEMO, 02.19.07
by Deborah Starewich 17 Feb '07

17 Feb '07

MONDAY MEMO, FEBRUARY 19, 2007 CONTENTS 1. Announcements 1.1: Lab Staff Availability Limited 02.19 to 02.22 1.2: EntrepreneurshipWeek USA; February 21-March 4, 2007 2. Faculty/Staff/Student Awards and Honors NONE 3. Seminar Announcements 3.1: Wednesday, 02.21.07, 2:00 PM; EE 317: ³Toward Improving the Precision of Nanoscale Force-Displacement Measurements² by Jason Clark, Assistant Professor, School of Electrical and Computer Engineering, School of Mechanical Engineering, Network of Computational Nanotechnology, Purdue University 3.2: Thursday, 02.22.07, 10:30 AM; BRK 1001: ³Heteroepitaxy on Nanoscale Substrates: Applications to Solid State Lightning and Vacuum Field Emission,² by Parijat Pramil Deb, Purdue University 3.3: Thursday, 02.22.07, 10:30 AM; EE 317: ³The Semiconductor Industry¹s Nanoelectronics Research Initiative: Motivation and Challenges,² by Jeff Welser, Director, SRC Nanoeclectronics Research Initiative, IBM Almaden Research Center 4. Workshops/Conferences NONE 5. Job/Fellowship opportunities NONE **************** 1. Announcements **************** 1.1: Lab Staff Availability, 02.19 to 02.22: John Weaver announced that ost of the engineering staff will be on a benchmarking trip this week. Although issues are not expected, a set of contingency plans has been put together. Please keep the following items in mind during this period: 1) If you have an equipment problem, please do not attempt to remedy it yourself. Wait until the appropriate staff member returns; 2) If you have a question that requires an immediate answer, please contact Dima Zemlyanov. He will be covering while others on the staff are gone; 3) Stocking and inventory issues can be handled by Jan Summers (Mary Jo¹s phone: 61173) or Aaron Riegle: 427-4859; 4) Facility issues are to be addressed to Kurt Stull: 41410. 1.2: EntrepreneurshipWeek USA; February 21-March 4, 2007. ³Try Big Ideas on for Size²; What¹s your BIG idea? Take it on! Visit http://www.entrepreneurshipweekusa.com/home-flash.asp for additional information. **************** 2. Awards/Honors **************** NONE ************************ 3. Seminar Announcements ************************ 3.2: Wednesday, 02.21.07, 2:00 PM; EE 317: ³Toward Improving the Precision of Nanoscale Force-Displacement Measurements² by Jason Clark, Assistant Professor, School of Electrical and Computer Engineering, School of Mechanical Engineering, Network of Computational Nanotechnology, Purdue University Abstract Nanotechnology has great potential for being used to create better medicines, materials, and sensors. With increasing interest in nanotechnology to improve the quality of our lives, there has been an increasing use of nanoscience tools to measure force and displacement to understand nanoscale phenomena. However, to better exploit the physical attributes of nanoscale phenomena for engineered nanosystems, we must be able to explore the phenomena much more precisely than can be done today. For instance, the atomic force microscope (AFM), which was one of the tools used to begin the nanotechnology revolution, is the force-deflection tool that is most widely used by nanotechnologist today. It is used to measure forces on the order of picoNewtons (similar to the force necessary to rupture DNA) and it is used as a positioner to measure displacements on the order of tenths of nanometers (similar to the size of atoms). However, precise calibration of the AFM is difficult (only about 1% precision), and it is not sensitive enough to measure more subtle nanoscale phenomena, e.g. forces involved in protein folding. Currently, the more subtle nanoscale phenomena are either beyond precise verification, or worse beyond discovery. In this seminar, I will discus how my group will use microelectromechanical systems to 1) calibrate preexisting force-displacement tools such as the AFM in bending and in torsion; and 2) develop force-displacement tools that are several orders of magnitude more precise and more sensitive than convention. Bio Prof. Clark received his Ph.D. in Applied Science from the University of California at Berkeley, and his B.S. in physics from the California State University at Hayward. His research concerns the design, modeling, simulation, and verification of complex engineered systems. The overarching goal is to develop system-level computer-aided engineering and metrology tools to foster and accelerate advancement in tiny technologies for solving societal-scale problems. Application areas include robotics, health, safety, ecology, transportation, communication, etc. 3.2: Thursday, 02.22.07, 10:30 AM; BRK 1001: ³Heteroepitaxy on Nanoscale Substrates: Applications to Solid State Lightning and Vacuum Field Emission,² by Parijat Pramil Deb, Purdue University Abstract Thin film heterostructures are limited by a maximum critical thickness before introduction of extended defects. One- dimensional forms like nanowires/nanorods, due to the possibility of lateral elastic relaxation, can tolerate much larger lattice mismatch than their thin film counterparts. In this talk, I shall describe some modeling work employing solution thermodynamics and finite element analysis as a motivation to the nanoheteroepitaxy approach to achieve a monolithic phosphor free white light emitting diode (LED). A nanorod with a pointed tip morphology, will be shown to be required for pushing the emission wavelengths from the InN-GaN system to longer values (red). The talk will then proceed with the description of the process developed to synthesize diameter controlled GaN pyramidal tipped nanorods without the use of any catalysts. It will be shown that close control over the diameter variation on the same substrate can be achieved by a combination of the developed template based approach and optical lithographic techniques. Due to the large surface area to volume ratio of the synthesized nanorods, it is required to ascertain that the nanorods are not devoid of charge carriers due to the surface depletion effect. Electrical characterization results of the nanorods in the form of single and multiple GaN nanorod Schottky and p-n junctions diodes employing conductive atomic force microscopy will be presented. Finally, cathodoluminescence spectra from InGaN nanorods will be used to show the potential of the nanorod form to incorporate higher InN molefractions as compared to thin film counterparts. Along with applications in solid-state lighting, the pointed tip morphology of the nanorods, resulting in a very high field enhancement factor, are contenders as field emitters. Coupled with this, the incorporation of AlGaN on the nanorod tip helps to reduce the effective surface work function resulting in a significant reduction in the turn on field from AlGaN/GaN nanorod heterostructures. Such an approach circumvents the doping problem of AlGaN, still utilizing its low electron affinity property. Results from vacuum field emission experiments from AlGaN/GaN nanorod heterostructures and their analysis will also be presented in this talk. Bio Parijat Pramil Deb received his bachelors in "Metallurgical Engineering" from Pune Institue of Engineering and Technology (formerly known as Government College of Engineering, Pune), India. Subsequently, I went for the direct Ph.D proram in Dr. Tim Sands' group starting Fall 2002. I have been working on applications of nano- heteroepitaxy in solid state lighting. I have received the Purdue University Ross fellowship and also have been a recepient of the Applied Materials Inc. graduate fellowship for three years. I plan to graduate by April 2007 and will be joining Philips Lumileds, San Jose as a project leader in the technology transfer group starting May 2007. SPONSORED BY: Birck Nanotechnology Center, Bindley Bioscience Center, Discovery Park, The NASA Institute for Nanoelectronics and Computing, The Network for Computational Nanotechnology, VEECO, NCN Student Leadership Council, Department of Chemistry, Department of Physics, School of Chemical Engineering, School of Electrical and Computer Engineering, School of Mechanical Engineering 3.3: Thursday, 02.22.07, 10:30 AM; EE 317: ³The Semiconductor Industry¹s Nanoelectronics Research Initiative: Motivation and Challenges,² by Jeff Welser, Director, SRC Nanoeclectronics Research Initiative, IBM Almaden Research Center Abstract For over 35 years, the ability to achieve increased performance per dollar in microprocessor chips by scaling the dimensions of MOSFETs has been the driving engine behind the global semiconductor industry. Exponentially increasing power density due to leakage currents as well as active switching energy to these nanoscale transistors is, however, limiting our ability to reap benefits from continued scaling. We are now forced to trade-off performance and density for reduced power consumption, and hhence the fundamental physics of the CMOS transistor operation, rather than fabrication capability, will eventually be the ultimate limit. As the ultimate limits to the scaling of CMOS technology are getting closer, completely new approaches to emerging areas in electronics at the nanoscale need to be explored. Recognizing this critical challenge, the Nanoelectronics Research Initiative (NRI) was charted in 2005 by a consortium of Semiconductor Industry Associate (SIA member compaies to develop and administer a university-based program to address this issue. In this talk, the scaling challenges facing current CMOS technology will be discussed, along with the ultimate limits for charge-switching based devices. From this motivation, the current status of the NRI program will be discussed, with an overview of the current research topics being investigated at the NRI centers. Jeff Welser, bio Dr. Welser received his PhD in Electrical Engineering from Stanford University in 1995, and joined IBM¹s Research Division at the TJ Watson Research Center. His graduate work was focused on utilizing strained-Si and SiGe materials for FET devices. Since joining IBM, Jeff has worked on and managed a variety of projects involving novel devices. At IBM, Jeff has served as manager of the Novel Silicon Dvice group at Watson, project manager for the high-performance CMOS device design groups in the Microelectronics Division, director of high-performance SOI and BEOL technology development, Director Next Generation Technology Components. At the same time, he was the IBM Management Committee Member for Sony, Toshiba, and AMD development alliances. In 2006, Dr. Welser was named the Director of the Nanoelectronics Research Initiative, on assignment to the Semiconductor Research Corporatio (SRC), directing university-based research on future nanoscale logic devices to replace the CMOS transistor in the 2020 timeframe. He is based at the IBM Almaden Research Center in San Jose, CA. ************************ 4. Workshops and Conferences ************************ NONE ************************ 5. Fellowship/Job Opportunities ************************ NONE Deborah S. Starewich Administrative Assistant to Timothy D. Sands, Director Birck Nanotechnology Center Purdue University 765-494-3509 dstarewi(a)ecn.purdue.edu http://www.nano.purdue.edu/

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Staff Availability 2-19 - 2-22-07
by John Weaver 16 Feb '07

16 Feb '07

Most of the engineering staff will be on a benchmarking trip from 2-19-07 through 2-22-07. We have put together a set of contingency plans, and do not expect any issues while we are gone, but one never knows. There are several things to keep in mind during this period. If you have an equipment problem, please do not attempt to remedy it yourself. Wait until the appropriate staff member returns. If you have a question that requires an immediate answer, please contact Dima Zemlyanov. He will be covering while others on the staff are gone. Stocking and inventory issues can be handled by Jan Summers (Mary Jo's phone: 61173) or Aaron Riegle: 427-4859. Facility issues are to be addressed to Kurt Stull: 41410. Thank you for your cooperation and patience during this period. John Weaver John R. Weaver Facility Manager Birck Nanotechnology Center Purdue University (765) 494-5494 jrweaver(a)purdue.edu

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Birck: research operations; ON BEHALF OF DAVE LUBELSKI
by Deborah Starewich 15 Feb '07

15 Feb '07

Researchers, The cleanroom and labs utilizing chemical hoods are now open. Thank you, BNC Lab Staff

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CANCELED: TOWN HALL MEETING, scheduled for today 02.15 at 1:30
by Starewich, Deborah S. 15 Feb '07

15 Feb '07

please note that this month's Town Hall meeting has been canceled. Please let us know if you had items for discussion; we can consider rescheduling the meeting; else, we will meet next month on March 15 at 1:30. Thanks! Deborah S. Starewich Administrative Assistant to Tim Sands, Director Birck Nanotechnology Center Purdue University 1205 W. State Street West Lafayette IN 47907-2057 765-494-3509 Fax 765-496-8383 www.nano.purdue.edu

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Closure Extended until Thursday at the BNC
by Weaver, John R 14 Feb '07

14 Feb '07

The closure of the university has been extended until Thursday morning. This includes the BNC facility. Please do not use the facility prior to that time as there are no emergency personnel or staff available should a problem occur. The cleanroom and hazardous-material processing prohibition is extended until 10:00 am Thursday. We will be keeping track of weather conditions and road closures, and will keep you posted if any other changes occur. To reiterate: The BNC Facility is closed until 7:00 am Thursday, Feb 15, 2007 per university closing information. The BNC Cleanroom is closed until 10:00 am Thursday, Feb 15, 2007. There is to be no hazardous processing - chemical usage, BL-2 work, CVD, etc. - in the laboratories until 10:00 am Thursday, Feb 15, 2007. Thank you for your understanding and cooperation during this situation. John Weaver

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