Skip navigation

SNSF Team

 

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.

Bhaskaran, Shivakumar

Shiva has wide range of experience in nanofabrication tools related to deposition, etching and lithography. He earned his PhD in Electrical Engineering from University of Houston. After this he worked as Research Engineer in University of Illinois, Urbana Champaign and then as Searle Cleanroom Manager at University of Chicago. Shiva will be representative of NNCI site at Stanford University and serve as primary technical liaison for the external user base.

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.

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.

Hitzman, Charles

Chuck Hitzman is the Director of the Surface Analysis Equipment in the Stanford Nano Shared Facilities.  He is responsible for the NanoSIMS Secondary Ion Mass Spectrometer, the X-Ray Photoelectron and Auger Electron Spectrometers as well as the Micro Raman and AFM instruments.  Prior to joining the scientific staff at Stanford University, Chuck spent 25 years with Charles Evans and Associates / Evans Analytical Group, a world leader in providing commercial analytical service.  During that time he gained extensive experience in many surface analysis techniques and became the first Scientific Fellow at Evans Analytical.  Chuck received his Masters of Science degree in Physics from Northern Illinois University in 1980.

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.

Kirtley, John

John received his PhD in Physics from U.C. Santa Barbara in 1976, worked as a post-doc and research assistant professor at the University of Pennsylvania, and then joined the IBM Research Division as a Research Staff Member in Yorktown Heights in 1978. After leaving IBM in 2006, he has been a Visiting Scholar and Senior Research Associate in the Applied Physics Department at Stanford, as well as being a Medewerker at the University of Twente in the Netherlands, a Humboldt Forshungspreis recipient in Augsburg and Aachen, Germany, Jubileum Professor at the University of Gothenberg in Sweden, and recipient of a Chaire de’Excellence of the NanoSciences Foundation in Grenoble, France. He shared the Oliver J. Buckley Prize of the American Physical Society in 1998, and is a Fellow of the American Physical Society and the American Association for the Advancement of Science.

Knollenberg, Cliff

Clifford Knollenberg is a research engineer at the Stanford Nano Shared Facilities where he oversees day-to-day operations of the Stanford Nanopatterning Cleanroom. In this role he provides resources and training in device processing, scanning electron microscopy, metal deposition, and etching to undergraduate and graduate students, postdoctoral researchers, SLAC researchers, and industrial users. Before joining Stanford he worked for nine years at Xerox PARC as an engineer in the Optoelectronics Emitters and Devices Group.  Prior to that he worked at a start-up where he designed and fabricated MEMS micro-deformable mirrors.  He holds a M.S. from UC Berkeley in Materials Science and Mineral Engineering and a B.S. from UC Davis. He has been awarded 12 patents in the fields of light-emitting diodes, semi-conductor lasers, and MEMS devices.

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.

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.

Meng, Catherine

Catherine is the Financial Analyst for the Stanford Nano Shared Facilities.  She manages the financial activities and oversees the external user intake process.  She joined Stanford University in 2008 as the research administrator for SIMES, a joint institute of Stanford University and SLAC National Lab.  She became the financial analyst of SNSF in 2011 and brought her years of experience in project management, financial management and research administration to this fast-growing cluster of service centers.

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.

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.

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.