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

BRK LAB UPDATE: Cleanroom & Labs Open 06/28/2007
by Jennifer Monahan-Dian 28 Jun '07

28 Jun '07

We have received word for Purdue Physical Facilities that the University’s steam and process cooling water has stabilized. As a result, the facilities at the Birck Nanotechnology Center have been reopened. Please be aware that temperature and humidity levels in the cleanroom rose slightly during this process and may take a few hours to return to normal levels. Similarly, sensitive equipment which is dependent on chilled water should not be activated without appropriate authorization (e.g. VB6 = Prof Qi, Titan = Prof Stack, SEMs = Dr Zakharov, etc). Otherwise, the cleanroom is now open and chemical processing in hoods can be performed. If you are interested in running on equipment this evening, just check the “equipment status” on CORAL as usual. Thanks for your patience during this unforeseen shut-down. -- Jennifer Monahan & the BNC Staff

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LABORATORIES SHUT DOWN: processed water and steam systems down
by Deborah Starewich 28 Jun '07

28 Jun '07

Please note that we have been advised that the process water and steam systems are down until at least tomorrow morning. Therefore, the cleanroom and other labs have been closed. This will also affect the building temperature could be hot and humid or cold and humid, I¹ve been told. 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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MONDAY MEMO
by Deborah Starewich 25 Jun '07

25 Jun '07

MONDAY MEMO, June 25, 2007 **************** 1. Announcements **************** 1.1: Preventive Maintenance now complete in cleanroom. Thank you for your cooperation and patience. 1.2: Please welcome Melissa Lane to the Birck Center. She comes to us from Chemical Engineering and replaces Sheryl Willison. Stop by her desk (Atrium) and introduce yourself. 1.3: Extra care required for our projector equipment: Purdue University policy reported late last week that a computer projector was stolen from the Recitation building during the afternoon. Please report any missing equipment to the Purdue Police immediately. When you¹ve borrowed a projector, please be sure to return it to the person from whom you received it. Thanks for your cooperation. 1.4: Future graduate students to convene at Purdue for Big 10+ expo. Students looking for the right fit for graduate school will have the chance to see what several universities from across the nation have to offer during the Big 10+ Graduate School Exposition on Sept. 24. The event will be in the Purdue University Memorial Union's South Ballroom and will feature information about graduate education in fields related to agriculture, engineering, mathematics, pharmacy, science, technology and veterinary medicine. Recruiter registration is now open, and registration for students will be available in July. For more, visit http://news.uns.purdue.edu/x/2007a/070620WernerGrad.html ******************** 2. Tours of Birck ******************** 2.1: Tuesday, June 26, 2007; 1-2PM: Computer Science Summer Camp; approximately 50 people. 2.2: Thursday, June 28, 2007; 1-2PM: Computer Science Summer Camp; approximately 30 people. ******************** 3. Life on the Outside ******************** 3.1: Congratulations go to Samir M. Iqbal, PhD working with Prof. Bashir, as he and his wife welcomed a baby boy, JbRael (Arabic for Gabriel) to the family on June 18 at 6:45PM. He reports that baby and mother are doing well. 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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Cleanroom now fully operational
by Lane, Melissa J 20 Jun '07

20 Jun '07

Per Dave Lubelski, the preventive maintenance is now complete In the cleanroom. Thank you for your cooperation and patience during this period. Melissa J. Lane Secretary Purdue University Birck Nanotechnology Center, Discovery Park Web site: www.nano.purdue.edu <http://www.nano.purdue.edu> <http://discoverypark.purdue.edu/wps/portal/Nanotechnology> Email: lanem(a)purdue.edu <mailto:lanem@purdue.edu> Phone 765-494-7053 Fax 765-496-8299

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Fog at SW corner of the BNC
by John Weaver 19 Jun '07

19 Jun '07

We are in the process of changing the nitrogen tank that supplies the BNC, and as a result will be releasing a very large quantity of liquid nitrogen. Think of this as "outdoor air conditioning!" The result will be the formation of a large white cloud coming from the building. This is not hazardous; it is just the result of very cold air being released into the atmosphere. John John R. Weaver Facility Manager Birck Nanotechnology Center Purdue University (765) 494-5494 jrweaver(a)purdue.edu

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MONDAY MEMO: June 18, 2007
by Deborah Starewich 18 Jun '07

18 Jun '07

MONDAY MEMO, June 18, 2007 **************** 1. Announcements **************** 1.1: HuntAir PM Schedule, per Mark Voorhis: Since the northwest quadrant of the cleanroom will be down next week, we plan to start PM activities on the Hunt air handlers for the cleanroom. We anticipate ~1 hour of down time for each AHU. From our past history you will loose laminar air flow and the some temperature and humidity control (± 1.0F) (± 5.0%RH). Only one air handler will be down at a time. PM work should start ~8:00 AM and be completed by 4:00 PM for each day. If you have concern or issues please call Mark Voohis (43036) or Jeff Kuhn (68329). Tuesday June 19, 2007 Huntair # Cleanroom Area Effected 12a "P" 12b "P" 11a West Main Hall 13a "R" 13b "R" Wednesday June 20,2007 Huntair # Cleanroom Area Effected 14b "S" 14a "S" 15b Gowning 15a Gowning 16 "D" Thursday June 21,2007 Huntair # Cleanroom Area Effected 17 "E" 18b BIO 18a BIO 18c BIO 11c Main Hall East Friday June 22,2007 Huntair # Cleanroom Area Effected 24 "F" 26 "G" 25 "H" 23 "J" 11b Main Hall Center Tuesday June 26,2007 Huntair # Cleanroom Area Effected 22 "K" 21 "L" 20a "M" 20b "M" Completed Huntair # Cleanroom Area Effected 19a "N" 19b "N" 19c "N" 1.2: State Fair Volunteer Request: Purdue Day at the Indiana State Fair is on August 15th, 2007 and your help us needed! Volunteers are needed to help staff the Discovery Park booth and engage the audience about all the exciting things happening here. We will have premiums to hand out, a stimulating display to talk about, and many opportunities for to be shared about the exciting programs and research at Discovery Park. The format will be similar to last year; we will need to staff our booth from 9am-7pm. The day will be divided into 3 shifts. More information regarding the schedule and transportation will be available in July. If you think you¹d like to participate, please mark your calendar for July 17th when the DP Engagement staff will hold a general information session from 10am-11am in MRGN 121. Another session will be held for training and more detailed information on August 9th from 10am-11am in MRGN 121. Please contact Valerie Lawless, Operations Manager, DP Engagement, (lawlessv(a)purdue.edu) if you would like to volunteer! ******************** 2. Seminars ******************** 2.1: Monday, June 18, 2007, 4:00pm: ³Addressing of Self-Assembled Nanoarrays,² by Prof. John E. Savage, Brown University, LWSN 3102A/B (Department of Computer Science Colloquium) ABSTRACT: Nanowire-based crossbars are proposed for use as memories and PLAs. The challenge they present is to design decoders that control many small nanowires (NWs) with a small number of large mesoscale wires (MWs). All proposed NW decoders are assembled stochastically. For example, in a randomized-contact decoder (RCD) field-effect transistors are randomly created at about half of the NW/MW junctions. In this talk, we describe our work to bind the number of MWs required to produce a correctly functioning NW decoders with high probability. We compare four methods of realizing NW decoders with emphasis on the RCD. We analyze the overhead associated with controlling a stochastically assembled decoder, namely, the information regarding which MWs control which NWs. This overhead requires more area than the MWs themselves. Finally we present several simple testing algorithms for configuring this control circuitry. This work was done jointly with Eric Rachlin. 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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MONDAY MEMO
by Deborah Starewich 11 Jun '07

11 Jun '07

MONDAY MEMO, June 11, 2007 **************** 1. Announcements **************** 1.1: Shut down of West Lab Wing for PM: We are planning to complete a needed six-month preventative maintenance of the west lab wing chemical exhaust and air makeup systems for ~3.5 hours, if not issues arise. The shut down of the west lab wing chemical exhaust and makeup air units are scheduled for June 12 starting at 5:30AM, to be completed by 9:00AM. Shutting these systems down will increase the temperature in all the west labs. Therefore, temperature sensitive equipment will need to be idled. Since west lab wing chemical exhaust system will be down, all chemicals will need to be removed from the fume hoods by 4:00PM on June 11. All process tools using chemical exhaust will be shut down during the PM time as well. Please contact MARK VOORHIS should you have any questions or concerns (43036; mvoorhis(a)purdue.edu) 1.2: HCI spill repair We are in the final stages of repairing the damage from an HCl spill from last year. We have to shut down all electrical power for process equipment in cleanroom areas PP, P, PR, R, RS, S, SA, A for 4 days. Chemicals and processes will have to be removed or secured prior to the shut down. This is scheduled for June 18 @ 8:00 A.M. till June 21 @ 4:00 P.M. All processes in these areas will be shut down during this time. ******************** 2. Seminars ******************** 2.1: Tuesday, June 12, 2007, 3:00pm: “Some Remarks to Electrodynamics of Materials with Negative Refraction,” by Dr. Victor Georievich Veselago, BRK 1001 ABSTRACT: The negative refraction coefficient n < 0 can be introduced for isotropic materials with anti-parallel directions of phase and group velocities. If some of material can be described by negative n it will have also negative values of both (electrical e and magnetic m) permeabilities. In materials with negative refraction coefficient, the realization of many physical laws is unusual. For example, in the case n < 0, the refracted beam in Snellius law is situated symmetrically with one for the case of positive n. Some other examples will be discussed among which is the very interesting flat lens, which can be used in so called “optical tweezers.” The discovery of negative refraction materials poses a very important question — to what extent are all the laws and formulas of electrodynamics, optics and related technical sciences valid, when n is negative? Can we always simply change the sign n ® - n as, for example, in Snellius law? Generally speaking, the answer to this question is negative. Many laws and equations of electrodynamics and optics correspond to the case of non-magnetic materials with permeability m = 1. This non-magnetic approach leads to many formulas that drastically change for the case m¹ 1, especially for m < 0. For example, if one substitutes negative n into Fresnel equations, the results will be wrong. A special table, which outlines the situation, will be given in the talk. In the talk, some examples of negative refraction materials will be discussed and their properties and possible applications. The negative refraction phenomena can be observed not only in materials with negative value of n, e and m, but in many substances, which cannot be described by these values. So, this sort of refraction presents in anysotropic crystals. These materials are described by tensor, not scalar values of n, e and m. The other, very important example of negative-refraction materials are called photonic crystals. The main difference between photonic crystals and materials with negative n, e and m, is the relation between wavelength l and lattice constant a in materials with negative refraction coefficient l > a, but in photonic crystals a ³ l. So, materials with negative refraction coefficient can be described on the base of harmonic oscillation equation, but photonic crystals — on the base of Blokh, or Mattiew equations. The phenomenology of this two sort of materials is in many cases similar, but physics background is different. This talk will include a discussion of the problem of estimation of pressure of light in LHM materials. BIO: Victor Georgievich Veselago graduated from Moscow University in 1952, and was with P.N. Lebedev Physical Institute, Moscow, from 1952 to 1983. >From 1983 up to now, he is the head of laboratory of magnetic materials in A.M. Prokhorov Institute of General Physics. He received his PhD degree in 1959, for radiospectropy investigation of molecular spectra, and degree Doctor of Science (solid state physics) in 1974 for investigation of solid state in high magnetic fields, both in P.N. Lebedev Institute. From 1980 until now, is a professor of Applied physics in Moscow Institute of Physics and Technology. The area of scientific interest of V.G. Veselago is magnetism, solid-state physics, electro-dynamics. In his papers, published in 1966-1972 was at the first time considered electrodynamics of material with negative value of refraction index (so called Left-Handed Materials, LHM). V.G. Veselago is a winner of State Prize for science of USSR (1976), and a winner of academician V.A. Fock prize (2004). He is also an Honored Scientist of Russian Federation (2002). He is an active expert in Russian Foundation for Fundamental Research, Russian Foundation for Humanitarian Research, and is vice-chairman of physics section of Supreme Attestation Committee of Russia (VAK). He is a founder and vice-editor of the electronic, scientific journal “Investigated in Russia” http://zhurnal.ape.relarn.ru. He is married and has three daughters and one son. His favorite animal is lady-cat, Fifa. His hobby is of railways (real, not models). ******************** 3. Funding Opportunities ******************** “Nanotechnology Research Grants Investigating Fate, Transport, Transformation, and Exposure of Engineered Nanomaterials: A Joint Research Solicitation,” on behalf of Christine King Below is the URL for a Request for Proposals that may be of interest to you. Contact Christine King for assistance in responding to this RFP. “Nanotechnology Research Grants Investigating Fate, Transport, Transformation, and Exposure of Engineered Nanomaterials: A Joint Research Solicitation”: <http://es.epa.gov/ncer/rfa/2007/2007_star_nanotech.html <http://es.epa.gov/ncer/rfa/2007/2007_star_nanotech.html> > Synopsis of Program: The U.S. Environmental Protection Agency (EPA), Office of Research and Development (ORD) as part of its Science to Achieve Results (STAR) program; the National Science Foundation (NSF); and the U.S. Department of Energy (DOE), Office of Science are seeking proposals for research dealing with the potential implications of nanotechnology and engineered nanomaterials on human health and the environment. In an effort to stimulate international research in the area of engineered nanomaterials, U.S. researchers are encouraged to collaborate with European researchers. Research areas include: the fate, transport and transformation of nanomaterials; and bioavailability and exposure of humans and other species to nanomaterials. ************************************** 4. Birck Living ************************************** 4.1: Restrooms, everyone needs ‘em There have been concerns expressed from students, faculty, staff, and janitorial services regarding the condition of the restrooms. The janitorial staff is working hard to try to keep them in a neat, clean, sanitary condition, but the cooperation of all the residents of the building is needed. Please flush the toilets and urinals. If you splash water on the counters — this should be an exception since the sinks are very deep — please wipe it up with a paper towel. Finally, please don’t leave trash on the restroom floors and counters. The bottom line: please show consideration for your fellow Birck residents by leaving the restrooms in AT LEAST as good of condition as when you entered. 4.2: “Serving the Birck Community,” by Ira Young To better serve the entire community of Birck. Please observe the following schedule for supplies. LAB AND CLEANROOM SUPPLIES Supplies will be delivered on Monday, Wednesday, and Friday. 1. Please send me an e-mail for the supplies you will need at icyoung(a)purdue.edu or through the BNC-engstaff(a)ecn.purdue.edu. Please include Lab Room Number, do not give me a Lab Name this will only slow up the delivery. 2. The cleanroom will be stocked beginning at 9:00 A.M. 3. The Labs will be stocked beginning at 1:00 P.M. 4. Please get your request in as early as possible for delivery. 5. E-mails, received after 8:30 A.M. for cleanroom and 12:30 P.M. for Labs will be delivered on the next delivery day. SUPPLIES REQUIRING ACCOUNT NUMBER 1. E-mails requesting non-standard supplies (items not covered by the BNC User Fees) must include an account number. I will notify you if materials cannot be delivered without a BRK account number. 2. We will setup a time agreeable to both of us to come and get the requested materials. RECEIVING CHEMICAL ORDERS 1. I will receive the material. 2. I will put a copy of the receipt in your mailbox. 3. I will e-mail you advising that the chemical has arrived and ask where you would like it placed (please use lab number not lab name). 4. Upon receipt of returned e-mail I will check for an MSDS. If I cannot find an MSDS I will request one from you. 5. I will deliver the material where requested. 6. I will send you an e-mail advising that the chemical has been delivered. Thank you, for observing the above schedules. We hope that this will help maintain rapid distribution of chemical supplies while standardizing chemical deliveries throughout the facility.

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BRK LAB UPDATE: West Lab Wing SHUT DOWN, per Mark Voorhis
by Deborah Starewich 08 Jun '07

08 Jun '07

Shut down of West Lab Wing for PM We are planning to complete a needed six-month preventative maintenance of the west lab wing chemical exhaust and air makeup systems for ~3.5 hours, if not issues arise. The shut down of the west lab wing chemical exhaust and makeup air units are scheduled for June 12 starting at 5:30AM, to be completed by 9:00AM. Shutting these systems down will increase the temperature in all the west labs. Therefore, temperature sensitive equipment will need to be idled. Since west lab wing chemical exhaust system will be down, all chemicals will need to be removed from the fume hoods by 4:00PM on June 11. All process tools using chemical exhaust will be shut down during the PM time as well. Please contact MARK VOORHIS should you have any questions or concerns (43036; mvoorhis(a)purdue.edu)

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Parking across State Street at DP
by Deborah Starewich 05 Jun '07

05 Jun '07

Communications Announcement Purdue University - Physical Facilities TO: Building Deputies [Please distribute]. FR: Physical Facilities Construction Department DA: Friday, June 1, 2007 RE: Parking lot at MacArthur Dr. and First St. to close Beginning Wednesday, June 6, 2007, construction of new residence hall facilities (the Replacement Student Housing Project) will close the gravel parking lot located at the corner of Macarthur Dr. and First Street. A construction fence will be placed around the project closing the sidewalks and the street parking on First and Macarthur. The project is expected to be completed in July, 2009. At different times during the project, First St. will be closed to traffic for periods of time. Fowler House will be accessible at all times. A map of the area is available here: http://www.purdue.edu/physicalfacilities/pdf/student_housing.pdf ------ End of Forwarded Message

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MONDAY MEMO
by Deborah Starewich 04 Jun '07

04 Jun '07

MONDAY MEMO, June 4, 2007 **************** 1. Announcements **************** 1.1: Shut down of West Lab Wing for PM: We are planning to complete a needed six-month preventative maintenance of the west lab wing chemical exhaust and air makeup systems for ~3.5 hours, if not issues arise. The shut down of the west lab wing chemical exhaust and makeup air units are scheduled for June 12 starting at 5:30AM, to be completed by 9:00AM. Shutting these systems down will increase the temperature in all the west labs. Therefore, temperature sensitive equipment will need to be idled. Since west lab wing chemical exhaust system will be down, all chemicals will need to be removed from the fume hoods by 4:00PM on June 11. All process tools using chemical exhaust will be shut down during the PM time as well. Please contact MARK VOORHIS should you have any questions or concerns (43036; mvoorhis(a)purdue.edu) 1.2: PowerPoint slides from the All-User Meeting sessions, held in March of this year, have now been posted to the Birck website. Visit the Operations page from the Facilities tab to download a pdf. 1.3: Smoking Policy distributed Wednesday, 05.30. Please check your In-box for an e-mail from John Weaver regarding the Birck Center¹s Smoking Policy. He sent a statement and map that designates smoking areas. ³Purdue University has a nonsmoking policy in all buildings and within 30 feet of the building exteriors. The Birck Nanotechnology Center observes those restrictions, and for building contamination control and safety reasons has additional areas that go beyond those distance requirements. To counterbalance these requirements, two seating areas have been created outside of this perimeter to accommodate smokers. Butt containers have been provided at various points along the perimeter and at these seating areas. Use of these containers is greatly appreciated, and assists us in maintaining the neat, professional appearance of the building. It is especially important that these containers be used, as the mulch surrounding the building is combustible we have already had one small fire that resulted from the careless disposal of a cigarette in the mulch! ³The seating area northwest of the main building entrance, across the double sidewalk, is available to smokers, as is the picnic table area southeast of the building. All areas south of the double sidewalk including the two seating areas near the front doors are nonsmoking. Additionally, the entire area between the Birck Nanotechnology Center and the Bindley Bioscience Center including the seating area is nonsmoking. To the west of the BNC, the sidewalk defines the 30-foot limit as far south as the extension of Marshall Drive. South of Marshall Drive, the nonsmoking area extends an additional 50 feet west in the vicinity of the South Yard (the area enclosed by the black fence) where ultra-high-purity gases are delivered and dispensed. South of the building the white-colored concrete defines the nonsmoking areas in the vicinity of the chemical dock and the receiving dock. ³Currently there are several signs indicating smoking and nonsmoking areas, and additional signs have been ordered. Together we can ensure a safe and contamination-free facility in which to perform our research. Your assistance in this is greatly appreciated by all BNC stakeholders.² 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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