CNS User Portal
Austin specializes in atom probe tomography and focused ion beam techniques.
David is a Professor of Applied Physics in the Practice of Electron Microscopy at the School of Engineering and Applied Sciences at Harvard University. He is the lead for the Imaging and Analysis facility at the CNS. Professor Bell received his doctorate in physics from the University of Melbourne and did his postdoctoral study at MIT. His research focuses on theory and application of aberration-corrected and analytical electron microscopy, with particular emphasis on the application of aberration corrected low voltage electron microscopy.
Adam Graham supports the imaging and analysis team within CNS. He specializes in Cryo SEM, Cryo Sample preparation, high resolution TEM, and Aberration corrected TEM. Adam provides training, application support, and assisted work as needed for CNS users. Before coming to CNS, Adam Supported the electron microscopy industry, performing sales installations, training, applications support, and service to the global community.
Equipment Engineer. 30 years experience in semiconductor equipment support, maintenance and manufacturing. Areas of expertise are Etch, PECVD, PVD. Education in computers, electronics and electrical construction.
Arthur specializes in optical microscopy and spectroscopy techniques including: confocal, fluorescence, phase contrast, live cell, DIC, CARS, SRS, TPF, SHG, TIRF, and FTIR, Raman, and PL spectroscopy.
Jules specializes in electron microscopy techniques for materials analysis.
Ed is an engineer in the Nanofabrication Group (cleanroom). His focus is on Physical Vapor Deposition (PVD) systems and processes, including thermal and electron beam evaporation as well as sputtering. He earned his bachelor’s degree in Mechanical Engineering at Northeastern University. Prior to CNS, Ed has worked as a mechanic, machinist, draftsman and various other jobs. In his spare time he rides motorcycles and meddles about in his garage machine shop.
Guixiong joined CNS in January 2013 as a senior process engineer. He has expertise in device fabrication, materials synthesis and characterization, and MEMS process integration. At CNS, his responsibilities include photolithography, back end packaging, and process development. He offers trainings on the i-line Stepper, Nanoscribe 3D Lithography System, Maskless Aligner MLA150, uPG501 Laser Direct Writer, Wire Bonder, Flip Chip Bonder, and the Scriber/Cleaver LSD100.
Greg specializes in device fabrication, surface analysis using XPS and material characterization using XRF and X-ray microCT imaging. He has performed research in academic and industrial settings on a variety of device platform including carbon nanotube memory, flexible printable electronics, optical chemical sensors, on-demand bioadhesive, silicon nanowire for radiation detection and microfluidic devices.
Jim has worked for Harvard since August of 1996 and has held several different positions in his time at the University. He started out as a Purchaser for the UIS Department’s campus computer store, The Technology Product Center (TPC). He was promoted to Purchasing Manager in 1998. In the fall of 1999, he left UIS and took a position in Harvard’s Office for Sponsored Research (OSR), since renamed the Office for Sponsored Programs, as a Staff Assistant. In 2000, he was promoted to Research Administrator and worked on sponsored funds for several science departments within the Faculty of Arts and Sciences.
In 2001, he accepted a position in the Department of Physics to work 50% as the Lab Director of Professor Charles M. Marcus and 50% as an administrator for the then Center of Imaging and Mesoscale Structures (CIMS). In 2002, he accepted the position of CNS Administrative Manager. In August of 2007, Jim became the Administrative Director of CNS.
Currently Jim manages the CNS User Program and all aspects of the day-to-day flow of prospective and current users within CNS.
JD is the lead for Nanofabrication facility and Scanning Probe Microscope group at the CNS. Dr. Deng received his first doctorate in physics from Nankai University in China, then the second Ph. D degree in Electrical Engineering from Virginia Tech. (VT). After working as a project manager in a nanotechnology industry for 3 years, he joined CNS in 2004 as principal scientist. His current research interests include various nanofabrication technologies, especially advanced lithography and process integration, photonic/ electronic sensor structures, MEMs/NEMs device, and Scanning Probe Microscopy (SPM)-based nano-characterization technologies.
Kevin Edwards is the Financial Associate of CNS and is responsible for service center facilities billing, monthly reconciliations, and travel reimbursement, and assists with support of the user program.
Linda oversees the general financial and administration at CNS. Before joining CNS in January 2016, she has over 20 years of experience in financial, research grants management, and departmental administration at Harvard, Mass General Hospital, UC San Diego, and Mt. Sinai Medical School. Linda holds an M.S. in Public Accounting from the Pace University with an undergraduate degree in Economics.
Ling is a Principal Scientist specialized in nanofabrication to construct nanostructures, e.g., nanotubes, Si nanowires, and ultra-narrow (~10nm) smooth trenches in Si. Her current focus is on Reactive Ion Etch (RIE). She has collaborated with faculty groups to etch specific shapes in diamond, Si, and III-V materials. Ling received her PhD in Materials Science and Engineering and worked with Kodak on CCD image sensors and Lucent on 3D optical switches before joined CNS. She has experiences in thin film deposition and characterization. In her free time, she enjoys reading and serving her community.
Mac is the primary ALD Process Engineer, and maintains various ancillary process, access, and safety systems at CNS.
Maureen Daniels is the Administrative Coordinator for CNS. She joined the CNS administrative team in October 2007. She made the transition to CNS from Harvard’s EH&S Department where she worked since 2003 in a similar administrative role. Her primary duties include, procurement, marketing, event planning, parking coordination, and facility access coordination.
Philippe de Rouffignac is a Principal Scientist in charge of Chemical Vapor Deposition and Atomic Layer Deposition in the nanofabrication group at the CNS. Dr. de Rouffignac earned his bachelor's degree in chemistry from the University of Texas - Austin and his PhD in chemistry from Harvard University. In his doctorate work he performed developed novel ALD processes for many lanthanide series oxides as well as device applications for a catalytic ALD silica process. During his graduate studies, he served as a resident tutor in Dunster House where he enjoyed advising undergraduate students and working with the culinary team to run the Master’s Open Houses. Prior to his current position, he was a Principal Engineer at Arradiance Systems developing novel ALD processes and tools and prior to that was a Senior Process Engineer for Novellus systems working on HDP-CVD applications. In his spare time he enjoys cooking, traveling, golf, basketball and playing with his children.
Robert Westervelt is currently Mallinckrodt Professor of Applied Physics & Physics. He is a Fellow of the American Physical Society.
Westervelt's group investigates the quantum behavior of electrons inside nanoscale semiconductor structures, and develops tools for the manipulation of biological systems.
Sandra oversees the day-to-day operations of the Biomaterials Laboratory (G05), Nanotechnology & Rapid Prototyping Laboratory (G06), and the Soft Materials Cleanroom (SMCR G07A). She gives instrument training/support on laser cutters, 3D printers, DLS system, planetary ball mill, plate reader, lyophilizer, UV exposure systems, plasma cleaners, mixers, cell culture, and aseptic technique. Sandra earned her Bachelor’s degree in Biological Engineering from the University of Florida (2012) and her Master’s degree in Biomedical Engineering from Duke University (2014).
Steve has a long history of semiconductor equipment engineering starting in the late 70’s as a mechanical assembler for Plasma- Therm and progressing to field service for equipment manufacturers to supporting 24/7 semiconductor fabs. Steve’s expertise is in vacuum equipment, thermal processing, wet chemical systems, and gas handling equipment. Steve manages all equipment moves and installations in the Nanofab and shares equipment responsibility with Dave LeFleur. In his free time, Steve does extensive research on catching striped bass in Boston harbor, repairing old furniture, and supporting his children through college and into the workforce.
Tim Cavanaugh is an Imaging Engineer responsible for the training and care of FE-SEMs at CNS. Tim has a background in geology and previously worked in the energy industry, specializing in imaging of geological samples and modelling fluid flow through tight reservoir systems.
Yuan Lu is in charge of all the e-beam lithography.
Training, up-keep, and operating of these four e-beam tools: Elionix F-125 –125 kV, 4nm minimum feature size and up to 8 inch sample size; Elionix 7000 -- 100kV, 10nm minimum feature size and up to 8 inch sample size; Raith 150 -- 30 kV, 30nm minimum feature size and up to 4 inch sample size; and Jeol 7000F -- 30 kV, 30nm minimum feature size and with mechanical stage.
Svetla specializes in cryo-electron microscopy techniques (Cryo-TEM) and single particle automatic data acquisition. She has expertise in macromolecular structure determination by Cryo-EM; developing lipid nanotechnologies for structure determination and transport of membrane and membrane-associated proteins, as well as CryoEM applications for drug discovery and development.
Christine joined CNS as a technical staff member in August 2017. Her responsibilities include photolithography, mask aligners, wafer bonder, and SEM. She received her PhD in chemical engineering from the University of Houston, worked as a process engineer in a scientific instrument company for 5 years before joining CNS. She had research experiences in giant magneto-resistance devices, microfluidic devices, and LC-MS applications. In her spare time, she enjoys hiking, cooking, playing piano and guitar.