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Clemens, Bruce

Bruce Clemens, the Walter B. Reinhold Professor of the School of Engineering, is the Faculty Director of SNSF. He did his undergraduate work at Colorado School of Mines and his graduate work at Caltech. He leads a group of researchers who study growth and structure of thin film, interface and nanostructured materials for catalytic, electronic photovoltaic, and hydrogen storage applications. He is the author of over 200 peer-reviewed papers and editor of several books on these subjects, and the winner of the ASM Silver Medal For Research. Prof Clemens served as the President of the Materials Research Society in 2012. Among his many contributions to Stanford, where he has been on the faculty since 1989, he served as chair as the Stanford MSE department from 2000 to 2004.

Beetz, Tobias

Tobi is the Associate Director of SNSF and has overall responsibility for leading all operational functions for the facilities, including finance, research administration, facilities, property administration, human resources and health and safety. Tobi received his Ph.D. in Physics from Stony Brook University in 2004 after transferring from the Universität Würzburg. His thesis research focused on high-resolution x-ray imaging with and without lenses, as well as x-ray radiation damage studies. He spent two years as a Research Associate at the Center for Functional Nanomaterials at Brookhaven National Laboratory where he studied carbon nanotubes and other nanomaterials using advanced electron imaging and diffraction techniques. Following his time at Brookhaven, he spent two years at Xradia, Inc. where he led a team to develop novel high-resolution x-ray microscopes. He joined Stanford University in 2008 as the Associate Director of the National Science Foundation-funded Center for Probing the Nanoscale before becoming the Associate Director of SNSF in 2011.

Carver, Tom

Tom manages and supervises the Flexible Cleanroom, and manages and runs the Microfab Shop. The Flexible Cleanroom is a 2500 square foot class 100 cleanroom specializing in nano-fabrication working with non-standard or unusual materials and techniques. The Microfab Shop does thin film depositions by e-gun evaporation and sputtering, design and fabrication work, equipment design and fabrication, and other technical consultation services. Tom received his BA in Industrial Design from San Francisco State University and has been at Stanford for 30 years, most of that time with Ginzton Labs, and now at SNSF. He holds four patents in the field of AFM and STM tip fabrication. His hobbies include building hot rods and custom cars, music (drums & guitar), metal fabrication, woodworking, hiking and being outdoors.

Chiang, Connie

Connie is a seasoned accounting professional experienced in diverse-industries environment. Her focus is on month-end close, project cost control, process improvement, and maintain financial according to US GAAP, and company policies and procedures. She enjoys having a quiet time while listening to light music. She also volunteers at a language culture school on the weekend utilizing her accounting expertise.

Chin, Richard

Richard Chin is an expert at scanning electron and ion beam microscopy with degrees from Caltech and Stanford Universities. He is one of the founding staff members of SNSF, having helped write the proposals to bring the first new instruments to the original SNL facility in the McCullough Building. Currently, Rich manages the Scanning Electron Microscopes (SEMs) and Focused Ion Beam (FIB) facilities located in the McCullough and Spilker Buildings.

Dachille, Justine

Justine Dachille manages and coordinates the onboarding process for external users at the Stanford Nano Shared Facilities. She holds Masters degrees in both Applied Mathematics and Secondary Mathematics Education. Prior to joining SNSF, Justine was an event logistics and operations coordinator at Google X, a primary candidate host/organizational expert at Google, a mathematics educator at Los Altos HS and Santa Clara HS, a systems engineer on dynamic telescope operations at Oceanit Maui, a systems engineer implementing integrated navigational radar aircraft at Northrop Grumman, a graduate assistant coordinator at Stony Brook University, and a mathematics educator at various institutions in New York. She enjoys spending time with her family and continues to volunteer in her community, government and local schools.

Hwang, Angela

Angela is the Academic Program Manager for NSF-funded National Nanotechnology Coordinated Infrastructure (NNCI) at Stanford University. Angela develops, implements, and administer educational and outreach programs. Angela received her Ph.D. from UCLA in 2015 where she studied mesoporous silica nanoparticle-based drug delivery systems. She also has a background in science education nonprofits, namely Iridescent, where she developed curriculum and hands-on engineering design challenges through professional development trainings in various engineering corporations.

Jamtgaard, Juliet

Juliet Jamtgaard co-manages the Focused Ion Beam (FIB) and X-ray Photoelectron Spectroscopy (XPS) laboratories. She earned her degrees at Johns Hopkins and Stanford Universities and worked in industry as a materials characterization expert before joining the staff at the Stanford Nano Shared Facilities. Juliet brings a breadth of experience to the labs, and splits her time among instruments both in the McCullough and Spilker buildings.

Jilly-Rehak, Christie

Christie is a research scientist specializing in secondary ion mass spectroscopy (SIMS).  She serves as a lab manager for the Cameca NanoSIMS 50L instrument in the Stanford Nano Shared Facilities, as well as the SHRIMP-RG secondary ion mass spectrometer in the Stanford School of Earth, Energy & Environmental Sciences. Prior to Stanford, Christie received her Ph.D. in Geology and Geophysics from the University of Hawaii at Manoa, utilizing their Cameca 1280 IMS ion microprobe for isotopic analyses of meteoritic materials, as well as SEM/EDS and EPMA for sample characterization. She completed a postdoc at UC Berkeley Space Sciences Laboratory, where she gained experience in numerous other microanalytical techniques, including FIB, TEM, and synchrotron XANES, to study the chemical composition of comet grains and meteorites.

Kim, Roy

Roy is our resident expert on the Titan TEM where he oversees all aspects of the lab. Roy came to Stanford from the U.S. Naval Research Laboratory, Washington, D.C. where he held a National Research Council postdoctoral fellowship. He received his Ph.D. (2017) and an MS (2013) in Materials Science and Engineering from Stanford University working in Prof. Robert Sinclair’s group. Before attending Stanford University, he received BS (2010) in Ceramic Engineering at Yonsei University in South Korea.

Lin, Stanley

Stanley serves the Stanford research community as the Ebeam Lithography Manager. He earned his B.S. and M.S. in Materials Science and Engineering from UCLA under the direction of Dr. Mark Goorsky of the Electronic Materials Laboratory. Stanley began his research career familiarizing himself with materials characterization techniques including x-ray diffraction and topography and microscopy methods including AFM, SEM and TEM. After graduation, he worked at HRL Laboratories in Malibu, California. Stanley joins the Stanford team with eight years of nanofabrication processing experience in ebeam lithography and metrology including FIB, STEM and EDS. Stanley enjoys learning about new research ideas and helping meet the needs of the Stanford research community.

Maclaren, Jana

Jana is in charge of the Bruker D8 Venture diffractometer at the Stanford Nano Shared Facilities (SNSF). Jana measures crystals as a service to other Stanford researchers, as well as training students to use the system and teaching them about single-crystal X-ray diffractometry. Jana did her PhD in inorganic chemistry in the beautiful Black Forest town of Freiburg, Germany. In Freiburg, she used single-crystal X-ray diffractometry as her main analytical method and enjoyed it so much that she would run crystals for her colleagues too. She also taught the advanced inorganic lab course, where students learn to handle toxins, air sensitive and pyrophoric substances. Between her PhD and her present position at SNSF, she worked in environmental chemistry, and led a research expedition to the Great Barrier Reef, examining the effect of ocean acidification on reef metabolism.

Man, Huiyuan

Huiyuan received her Ph.D from Zhejiang University, China in 2015. She worked as a postdoctoral fellow with ISSP fellowship on collaborative projects of quantum spin ice between University of Tokyo and Johns Hopkins University. She started woking in Moler group and SNSF from October 2019. Huiyuan's current research interests include studying unconventional superconductors with scanning SQUID microscope. She enjoys yoga and traveling.

Marshall, Ann

Ann's expertise is in the area of materials characterization using e-beam instruments, including SEM and FIB, but with a particular emphasis on TEM.  Her research areas have included amorphous metals, high-temperature superconductors, semiconductor films and multilayers, magnetic domain imaging in magnetic oxides, and semiconductor nanowires.  Ann also teaches MSE322, a TEM laboratory course, each spring.  Ann is the recipient of the 2012 Marshall D. O’Neill Award from Stanford University.

Mills, Matt



Pacheco, Carol

Carol is the Administrative Assistant for the Stanford Nano Shared Facilities. Carol has been with Stanford for 8 years and brings with her many years of customer service. She joined the department in Oct, 2013. She manages and oversees the user intake process for internal users and provides support to faculty, staff, and students.

Pay, Lily

Lily Pay serves as assistant Manager for the Soft and Hybrid Materials Shared Facility and Lab Manager for Bao group in Department of Chemical Engineering.  She received MS in Chemistry from University of Alabama in Huntsville.  Before joining Stanford (2015), Lily was Senior Scientist in industrial focused on Nanotechnology field for more than thirteen years.  

Shao, Grant

Grant received both his M.S. and B.S. in Materials Science and Engineering from the University of Pennsylvania, where he worked in Prof. Eric Detsi's group on battery anode materials and with Dr. Gerald Lopez of the Singh Center for Nanotechnology on electron beam lithography characterization work for other Singh users. At SNSF, Grant is responsible for instrumentation within the Nanopatterning Cleanroom.

Tiberio, Richard

Rich is a senior research scientist with more than 40 years of experience in nano-lithography .At SNSF he is providing nano-lithography resources to undergraduate and graduate students, SLAC and industrial users. Rich earned his BSc (EE), Masters and Ph.D. degrees from Cornell University. While in high school, he participated in the NSF Summer Science Training Program for Secondary Students at Tufts University. In 1977, he contributed his Master's degree results to the first NSF competition for the National Submicron Facility. While working at Cornell at the NRRFSS, NNF and NNIN facilities, 1979 to 2001, he collaborated with over a 100 visiting users and students, including Research Experience for Undergraduate students (REU). Rich serves on the organizing committees of the Electron Ion and Photon Beam and Nanofabrication "3 Beams" and SPIE conferences.

Tok, Jeff

Jeffrey Tok serves as the manager for the Soft and Hybrid Materials Shared Facility and the Dept of Chemical Engineering Teaching Laboratory. He received his B.Sc. from The University of Washington at Seattle, and Ph.D. from The University of Chicago. After a postdoctoral stay in Harvard University, he has held positions as an Associate Professor of Chemistry in The City University of New York, York College and Graduate Center, as Principal Investigator in Lawrence Livermore National Laboratory, and as Chief Bioscientist in Micropoint Biosciences Inc.

Tower, Jason

Jason is a Lab Operations Engineer to support research operations within the Stanford Nanopatterning  and Flexible Cleanrooms. Jason received his MS (2016) in Applied Physics from UMass Boston. The focus of his work was in semiconductor process engineering. Before joining SNSF, Jason taught physics in Massachusetts and California for fifteen years.

Vailionis, Arturas

Arturas supervises and manages the x-ray diffraction laboratory and provides scientific expertise, advice and training in x-ray diffraction tools and techniques. He participates in the research and developing of new tools, methodologies, and techniques for the advancement of knowledge and capability for advanced materials characterization and education. Arturas teaches the course “Introduction to the Experimental X-ray Diffraction Techniques”. He was born in Lithuania and received his Master's degree from Vilnius University and a PhD degree from Royal Institute of Technology in Stockholm, Sweden where I studied the structure - physical property relationship in oxide thin films using x-ray diffraction (XRD) and x-ray absorption (XAS) techniques. After a postdoc at the University of Illinois at Urbana-Champaign he joined Stanford University as a Research Associate. His interest is in structural properties of functional complex oxide thin films under epitaxial strain in order to understand how change of conditions, such as growth, strain and dimensionality, are affecting structure of complex oxides and its effect on functional properties.

Walkiewicz, Marcin

Marcin is the manager of the scanning probe microscopy laboratory and supervises all shared atomic force microscopes (AFM) and Raman instruments. He is a factory-trained AFM expert, ready to provide assistance with instrument training, sample preparation, and experiment design. Marcin earned his Ph.D. from University of Virginia and did a postdoctoral fellowship at the National Cancer Institute at the NIH, where he used AFM to study variances in chromatin structure of different human cancer models. Prior to joining SNSF he was an Applications Scientist for Bruker Nano Surfaces, where he helped academic and industrial customers find the best solutions to their metrology problems by demonstrating and training them on atomic force microscopes, 3D optical microscopes, and stylus profilers. He also spent extensive time in the field, visiting universities and hosting workshops across North America, where he taught users how to take the full advantage of their instruments.