national high magnetic field laboratory
PULSED FIELD FACILITY
Magnet Lab
staff, technologists and students
the future
Fedor Balakirev 505-665-8215 fedor@lanl.gov
Fedor Balakirev received his M.S. in Applied Mathematics and Physics from Moscow Institute of Physics and Technology, Moscow, Russia in 1991 and his Ph.D. in Physics from Rutgers University in 1997 working on growth and characterization of cuprate high temperature superconductors (HTS). After receiving his doctorate, he joined Greg Boebinger’s pulsed magnet lab at Bell Laboratories as postdoc in joint appointment with LANL, where he focused on studies of superconducting and normal state properties of HTS in high magnetic fields. Since 2000 Fedor has been working as a permanent staff scientist at NHMFL Pulsed Filed Facility at LANL. His research interests include the fields of high temperature superconductivity, quantum criticality, correlated electron systems, and development of advanced high magnetic field experimental techniques.
Chris Beedle 505-665-2734 beedle@lanl.gov
Chris received his Ph.D. (2010) in Inorganic Chemistry from the University of California, San Diego, where he studied magnetostructural correlations in molecule-based quantum magnets. Following his doctoral studies, Chris spent three years as the Schuler Postdoctoral Fellow at the National High Magnetic Field Laboratory in Tallahassee, Florida, performing high-field, high-frequency and high-pressure electron paramagnetic resonance (HF-EPR) experiments involving zero-and multidimensional quantum magnets, coordination polymers and organic radicals. Here at the pulsed field facility, Chris is working on strongly correlated electron systems and quantum magnets employing GHz/THz cyclotron resonance and electron paramagnetic resonance techniques in high pulsed magnetic fields as part of the 100 Tesla Science Program.
Jon Betts 505-665-6039 jbbetts@lanl.gov
Jon Betts joined Oxford Instruments in 1977 as a cryogenic test engineer, while continuing his education in electrical engineering. Graduating from Oxford CFE in 1981 Jon continued to work for Oxford instruments UK, traveling the world installing ultra low temperature /high magnetic field systems. In 1987 Jon transferred to Oxford’s USA division based in Boston MA, continuing to install and service Oxford’s line of ultra low temperature equipment. In 1997 Jon left Oxford and took a position as a technician at the NHMFL pulsed field facility at Los Alamos National Laboratory. Working on pulsed magnet and cryogenic design as well as conducting a pulsed field and resonant ultrasound spectroscopy research program. Jon’s work has been reported in over 80 journal publications including Nature and Phys. Rev. Letters. Jon is currently the Director of the User program at the NHMFL Pulsed Field Facility.
Shalinee Chikara 630-252-2745 schikara@lanl.gov
Yates Coulter 505-667-7306 jycoulter@lanl.gov
Yates Coulter is a research technologist who earned a Bachelors of Arts 1982 in physics and studied mathematics in graduate school at Syracuse University. He passed ‘main stem line’ welders certification between undergraduate and graduate schools which came in useful later in his career at Los Alamos which started in 1984. He has had a number of diverse positions ant LANL: a Plutonium materials handler and a Nevada Test Site Underground Test Diagnostics technician. He came to the NHMFL in 2010 after a 20 year career in High Temperature Superconductivity during which he coauthored over 100 publications and was a Principle Investigator of superconducting properties of long HTS wires. During that period Yates developed virtually all of the magnet systems for the HTS program and invented a patented method for nondestructive critical current measurement which has been adopted by many commercial ventures and a few national laboratories. Presently Yates is contributing to the NHMFL Generator Operations Team through his experience with process control and development.
Scott Crooker 505-665-7595 crooker@lanl.gov
Scott Crooker received his B.A. in Physics from Cornell University (1992) and Ph.D. in Physics from UC Santa Barbara (1997) working on ultrafast spin and magnetization dynamics in semiconductors in the group of Prof. David Awschalom. He was then Los Alamos Director’s Postdoctoral Fellow (1998-2000) at the National High Magnetic Field Laboratory (NHMFL) at Los Alamos, and since 2000 has been working as a permanent staff scientist at the NHMFL-Los Alamos. Crooker directs a research laboratory concerned generally with the development of ultra-sensitive magneto-optical spectroscopies to probe the static and dynamic behavior of electron spins and magnetic moments in semiconductor materials and colloidal nanocrystals. Scott Crooker is a Fellow of the American Physical Society and has received the Los Alamos Fellow’s Award for Research. His work has been reported in >100 journal publications (including Science, Nature, Phys. Rev. Lett., Nature Physics, Nature Materials) and >50 invited conference and seminar presentations.
Julie Gallegos 505-665-9039 julietg@lanl.gov
Julie Gallegos serves as the Professional Staff Assistant at the National High Magnetic Field Laboratory at Los Alamos National Laboratory where she provides programmatic support to the MPA-CMMS/NHMFL User Program for scientists, postdocs, research technologists, students and visitors. Julie has been with LANL for 25 years and has served in a variety of administrative roles in ADEPS divisions (P, MST, MPA). She has a broad range of business and operational service experience and is known as the “go to person” for solving day to day issues and challenging problems. She has excellent knowledge of the Laboratory organizational structure and administrative policies, procedures and systems and utilizes extensive internal and external networks. She is committed to providing exceptional support in efforts to allow technical staff to focus on science by alleviating as many administrative issues as possible. Julie earned a Bachelor of Science degree in Business Administration and Management from the University of Phoenix. Julie is a native New Mexican, born in Mora, NM who now lives in Ojo Caliente, NM. She has 5 children and 7 grandchildren. She actively participates in her church and other than spending time with family, Julie enjoys horseback riding, reading, and drawing.
Mike Gordon 505-664-0941 mgordon@lanl.gov
Anders Hansen 505-665-3088 aph@lanl.gov
Anders received Bachelors degrees in Physics and Mathematics from the University of Florida in 2013. During his time at the University of Florida he worked with Professor Neil Sullivan developing and testing apparatus for low temperature NQR and magnetic susceptibility. He completed a senior thesis titled "A Tunnel Diode Oscillator for Magnetic Susceptibility Measurements." After graduating he was awarded a SULI internship and then later a Post-Baccalaureate position with the NHMFL working under the mentor Dr. Vivien Zapf, where he performs magnetostriction, dielectric constant, and magnetic susceptibility measurements of various ferromagnetic materials. Anders hopes to one day continue his education by attending graduate school in physics.
Neil Harrison 505-665-3200 nharrison@lanl.gov
Neil Harrison received his B.Sc. (1989) and Ph.D. (1992) in Physics from the University of Bristol, working on magnetic quantum oscillations in heavy fermion systems and in the vortex state of superconductors. He had a postdoctoral position at the Katholieke Universeit Leuven (1993-1996) where he begun working on low dimensional organic conductors, and then came to Los Alamos as a postdoc in 1996 whereupon he developed extraction magnetometry and quantum oscillation techniques currently being utilized at the National High Magnetic Field Laboratory. After two years as a scholar scientist at the National High Magnetic Field Laboratory in Tallahassee, Florida, Neil became a permanent staff member at Los Alamos National Labs. in 2000. Neil is currently the Principal Investigator of the Los Alamos Department of Energy-funded 100 tesla science program, and has played a leading role in conducting the very first experiments in non-destructive magnetic fields exceeding 100 tesla. Neil Harrison is a Fellow of the American Physical Society (2007) and has received the Los Alamos Fellow’s Award for Research (2005). His work has been reported in >100 journal publications (including Nature, Phys. Rev. Lett., Proceedings of the National Academy of Sciences) and >50 invited conference and seminar presentations.
Mark Hinrichs 505-667-8388 mark@lanl.gov
Mark Hinrichs received his BS-EE in Microelectronics and Electromagnetic Fields from The University of Minnesota (1975), his MS-EE in Electric Power Systems, Power Electronics and High Voltage Engineering from Georgia Institute of Technology (1991) and coursework for the PhD-EE in Pulse Power, Plasmas and Electromagnetics from The University of New Mexico (incomplete-1995). He has 39 years of experience in electric power system theory, design and management including over 9 years as the Engineering Manager for an electric utility company and 30 years as Technical Staff Member and Team Leader, currently an R&D Engineer-IV at Los Alamos National Laboratory in New Mexico. He has worked in power system generation and transmission planning for major projects in north America. He has worked in projects for the US Departments of Energy and Homeland Security, branches of the military and the international intelligence community. He has provided local expertise which provided successful startup for the DARHT, LANSCE, SCC, NHMFL and many other major facilities under the DOE. Areas of experience and research interest include: directed energy, ultra-high voltage engineering, networks, SCADA, cyber security, international intelligence, homeland security, high power applications, pulse power, directed energy, power electronics and drive systems, microprocessors, smart devices, electromagnetic propagation, nuclear EMP, geomagnetic storms, smart-grid, energy security, alternative energy resources, prime movers, power generation, transmission and distribution, smart grids, solar and wind energy conversion and amateur radio. Mark has been invited to present at a number of professional conferences including keynote speaker for Techcon 2008 at the Chateau Elan in Atlanta. He is a senior member of IEEE and a member of AEE and NSPE, and is licensed as a registered Professional Engineer (PE), and registered as a Certified Power Quality Professional (CPQP)
Mike Hundley 505-667-4129 hundley@lanl.gov
Michael Hundley received his B.S. In Physics from Harvey Mudd College (1983) and his Ph.D. in Physics from UC Berkeley (1988). He conducted his thesis work on the static and dynamic properties of low-dimensional charge density wave conductors as a member of Alex Zettl's group. He came to Los Alamos in 1988 as a Director's Postdoctoral Fellow, working with Joe Thompson on the magnetic and electronic transport properties of the cuprate superconductors and Kondo insulators. Hundley became a LANL technical staff member in the Condensed Matter & Thermal Physics group in 1991. His research interests include correlated electron physics, magnetism, and heavy-Fermion materials and his experimental expertise involves low-temperature investigation of thermodynamic and electronic transport properties. His work has been reported in more than 220 peer-reviewed publications that have been cited 7,500 times (h-index 42). He was selected as the Condensed Matter & Thermal Physics (MPA-10) group leader in 2006 an he has served as the group leader of the Condensed Matter & Magnet Science group since the group was formed in 2009 through the merger of MPA-NHMFL and MPA-10.
Marcelo Jaime 505-667-7625 mjaime@lanl.gov
Marcelo Jaime graduated from Instituto Balseiro, Bariloche, Argentina, with a Ph.D degree in Physics in 1994. He was a postdoctoral research associate at University of Illinois at Urbana-Champaign working in the thermal, electric, and magnetic properties of colossal magnetoresistance compounds before joining Los Alamos National Laboratory in 1997 to develop calorimetric techniques for the NHMFL 60 Tesla long pulse magnet. The development of the technique and the first specific heat measurement ever in pulsed magnetic fields up to 60 T won Marcelo a LAAAP Teamwork Award in 1999. In November 2000 he became a Technical Staff Member at LANL's NHMFL Pulse Field Facility, where he has developed numerous techniques to measure thermal, electric and lattice properties of materials in very high magnetic fields. In 2007 Marcelo received the James J. Christensen Memorial Award in recognition of Outstanding Contributions to the Innovative Development and use of Calorimetric Equipment, presented by Brigham Young University. In March 2012 he was named Fellow of the American Physical Society. His main scientific interests are in the physics of heavy fermions, quantum magnets and superconductors, with focus in magnetic field-induced quantum phase transitions. Marcelo has published more than 140 papers in these topics, which have been cited more than 5000 times to date.
Prashant Jain 505-665-7272 prashant@lanl.gov
Jason Lucero 505-665-2885 jdlucero@lanl.gov
Jeff Martin 505-665-4819 martinj@lanl.gov
Nick Martinez 505-667-8104 nmrtnz@lanl.gov
Nick Martinez began his career at LANL as a senior in high school in 2002. He worked intermittently as a summer student before obtaining his B.S. in Physics and B.A. in Chemistry from the University of New Mexico in 2007. Upon completion of his bachelors degrees Nick was commissioned an officer in the United States Marine Corps where he served as a Forward Observer, Armory Officer, and Executive Officer in Afghanistan. After leaving active duty in 2012, Nick went back to UNM to continue his education. He is currently enrolled in the Nanoscience and Microsystems Ph.D. program at UNM while working on establishing an NMR foundation at the NHMFL and continuing research on magnetic field effects on organic LEDs.
Ross McDonald 505-665-3857 rmcd@lanl.gov
James Michel 505-667-7613 jmichel@lanl.gov
James started at LANL as a UGS with NIS-4 in 1999. James began at the NHMFL in 2001 with the Electro-Mechanical Student Program. In 2003, he became a full-time employee serving the pulsed field facility's user program. During that time, he helped with the assembly of the 60T LP and 100T MS magnets. In 2006, James began working in the Pulse Magnet Production Facility. James has built 65T User Magnets, 100T Insert Magnets, the MagVis coils and various other magnets for programs inside and outside of LANL.
Chuck Mielke 505-665-1500 cmielke@lanl.gov
Chuck received his Ph.D. in Condensed matter Physics from Clark University in 1996. Measuring the physical properties of materials in extreme conditions has been a focus area in some of the most challenging transient electromagnetic environments on Earth. Chuck has published over 110 articles in peer reviewed journals including Nature, Physical Review Letters, and the Proceedings of the National Academy of Science. Recently, work on mono-layer Graphene with collaborators from Rice University have made use of a unique high magnetic field system and sensitive infra-red optical detection system that Chuck is the principle investigator on. Chuck joined LANL in 1996 with a passion for high magnetic field science and continues to work and now lead the National High Magnetic Field Laboratory - Pulsed Field Facility at TA-35 as the Director.
Albert Migliori 505-667-2515 migliori@lanl.gov
Albert Migliori received his B. S. in physics in 1968 from Carnegie Mellon University, his M. S. and Ph.D. in physics from the University of Illinois in 1970 and 1973. He is co-discoverer of acoustic heat engines, Co-Chair of the Science Advisory Council for the National High Magnetic Field Laboratory (UF, FSU, LANL), Director of the Seaborg Institute for Actinide Science at Los Alamos National Laboratory, and is a leading expert in the use of resonant ultrasound spectroscopy as a solid-state physics tool for which he has won RD100 awards in 1991 and 1994, a Federal Laboratory Consortium Award for Excellence in Technology Transfer in 1993, and a Los Alamos National Laboratory Distinguished Performance Award in 1994. He is a fellow of the Los Alamos National Laboratory, the American Physical Society, the American Association for the Advancement of Science, and the Acoustical Society of America. He is Chair, Physical Acoustics Technical Committee, Acoustical Society of America, and Chair Elect, General Instrumentation and Measurement Topical Group, American Physical Society. He holds 25 patents, is the author of about 170 publications, six book chapters, and one book. Recent interests include elasticity of Pu, and state-of-the-art research and development of new measurement techniques.
Kim Modic 505-664-0706 kmodic@lanl.gov
Kimberly Modic received her Bachelor of Science in physics from Clemson University in South Carolina in 2009. She is attending the University of Texas in Austin and enrolled in the PhD program. Her research at the NHMFL includes torque magnetometry on honeycomb iridates, and electron-spin-resonance and pulsed-field PDO on copper-dimer systems. She lives in Santa Fe with her husband Erik and their wonderful black lab Bear and goldendoodle Cub.
Philip Moll phmoll@phys.ethz.ch
Philip received his PhD in condensed matter physics at ETH Zurich (Switzerland) and the ETH medal in 2013 working on vortex dynamics and application aspects of iron-based high-temperature superconductors. His research interest in the high field behavior of correlated electron systems has brought him as an associate scientist frequently to the magnet lab. He addresses experimental challenges posed by small sample sizes and low measurement signals by microfabrication techniques based on Focused Ion Beam (FIB) crystal shaping and contacting. This technique has now been applied to various classes of materials and turned out to be ideally suited for transport samples in pulsed fields.
Doan Nguyen 505-667-6492 doan@lanl.gov
Doan received his B.S. in Physics with honors from Vietnam National University in 2001, his M.S. in Physics with honors from Florida State University in 2003, and in 2007 received his Ph.D. in Physics from Florida State University. From 2007-2009 Doan worked as a postdoctoral associate at the LANL Superconductivity Technology Center, and since 2009 he has worked as a technical staff member at the NHMFL-PFF. His research has been cross-disciplinary, spanning science and engineering of superconducting and magnetic materials and devices. The general thrust of his research program is aimed at developing and utilizing experimental techniques and finite element computational methodologies for understanding and improving the electromagnetic, mechanical and thermal performances of superconducting and magnetic materials/devices. Doan also possess expertise and interest in development of state-of-the-art ultrahigh pulsed field resistive magnets. His research aim is to use computer simulations and experiments for understanding and solving engineering challenges and material concerns (such as high stress loading, heat transfer and thermal expansion, eddy current heating, high voltage and dielectric issues...) to develop pulsed field magnets generating higher field with longer lifetime, or meeting other special requirements from the PFF's magnet users.
Mike Pacheco 505-665-0434 mpacheco@lanl.gov
Mike started work at LANL in March 1971 for Shops Dept., and received a Journeyman Machinist Certificate in March 1975. In May 1975 he started to work in the CTR division on Magnetic fusion experiments. In February 1991 Mike started at the NHMFL at the beginning of the Los Alamos National Laboratory PFF campus and generator build-up. Mike also helped with the procurement, fabrication, and assembly of both 60T long pulse magnets and the 100T magnet. Mike has been involved in user support since the NHMFL-PFF opened, and earned the 100T Magnet Distinguished Performance Award.
Brad Ramshaw 505-500-5559 bradramshaw@lanl.gov
Brad got his PhD in experimental condensed matter physics from the University of British Columbia in 2012 working on quantum oscillations in the high temperature superconductor YBa2Cu3O6+delta. Brad came to LANL in 2012 and has developed new resonant ultrasound spectroscopy techniques for looking at the symmetry breaking of phase transitions, and extended his previous work on quantum oscillations to 100 Tesla using the unique capabilities at the NHMFL. His publications have appeared in journals such as Nature, Nature physics, Nature Communications and Physical Review Letters.
Bill Rice 505-606-1741 wdrice@lanl.gov
Bill completed an undergraduate thesis on picosecond ultrasonics in water under Prof. Humphrey Maris and received his Sc.B. (with Honors) in Physics from Brown University in 2005. He obtained his Masters degree (2009) and Ph.D. (2012) in Applied Physics from Rice University, both of which were completed in the laboratory of Prof. Junichiro Kono. The primary focus of his graduate work was on gigahertz frequency spin resonance in carbon nanotubes and terahertz –induced intra-excitonic transitions in quantum wells. In addition, Bill heavily contributed to work on carbon nanotube chemical separation and magneto-transport in nanotube ensembles. In 2012, he came to the National High Magnetic Field Lab in Los Alamos as a post-doctoral associate to work with Dr. Scott Crooker on optically induced spin phenomena in colloidal nanocrystals and perovskite semiconductors.
Dwight Rickel 505-667-1222 drickel@lanl.gov
Darrell Roybal 505-665-7360 daroybal@lanl.gov
Andrew Salazar 505-665-2926 and1@lanl.gov
Dave Sattler 505-665-1094 dsattler@lanl.gov
Kim Schneider 505-328-3668 kschneider@lanl.gov
Kim Schneider began working at the Pulsed Field Facility during the summer of 2012 after receiving a scholarship via the Los Alamos Employee Scholarship Foundation. Working in photography, graphic design, web design, and photojournalism, Kim handles various public relations work for the magnet lab during her summers and while attending the University of New Mexico in Albuquerque. She is studying photography and strategic communication as an undergraduate student and has a background in yearbook design, earning two publications in the publishing company Herff Jones' showcase book Ideas That Fly during her high school career. She recently received Adobe Muse's "Site of the Day" nod for her online portfolio website kimschneider.co, and will be attending the Academy of Art, Architecture and Design (VSUP) in Prague, Czech Republic for the 2014-2015 academic year.
Arkady Shekhter 505-665-1794 arkady.shekhter@gmail.com
Arkady Shekhter received his PhD in theoretical condensed matter at Weizmann Institute in Israel in 2006 for his work on correlation effects in two-dimensional electron liquids. He continued his research of thermodynamic and transport phenomena in metallic cuprates as a postdoctoral research associate at UC Riverside. Challenging the boundary between theory and experiment he proceeded with experimental work as a Dirac Postdoctoral Fellow at the NHMFL-PFF. His work has been reported in peer-reviewed journals including Nature, Phys. Rev. Lett.
John Singleton 505-667-4404 jsingle@gmail.com
After a D.Phil. (doctorate) at Oxford University and GEC Hirst Research Labs (1985), John Singleton did postdoctoral research on semiconductor heterostructures sponsored by the electronics company Philips. He then moved to the High-Field Magnet Laboratory, University of Nijmegen, working on nanostructures, organic conductors and magnetic oxides. In 1990, he returned to Oxford, helping to found the Oxford Correlated Electron Systems Group (3 senior academics, 10-15 other members). He worked on GHz-visible magneto-optics, high presssures, ultra-low temperatures, FELs, superluminal sources, organic conductors, oxides, semiconductors, physics and philosophy. He supervised 18 D.Phil. students and numerous undergraduates, and managed the experimental teaching laboratories for 700 undergraduates. Since 2002, he has been a Technical Staff Member, National High Magnetic Field Laboratory, Los Alamos National Laboratory. His research includes MHz/GHz spectroscopy, magnetometry, very high magnetic fields, magnetic-field-induced phase transitions in density-wave systems, organic magnets, accelerated superluminal sources of radiation, astrophysics. He has four patents, with six more in preparation, two technical copyrights, around 420 refereed papers with a total citation count of 6500 and an undergraduate textbook. He is a LANL Fellow, a Fellow of the Institute of Physics, and a Fellow of the APS.
Hazuki Teshima 505-665-4891 hazuki@lanl.gov
Hazuki received her Bachelor of Agricultural Biology at Mie University in Japan in 1985. She moved to Los Alamos in 2004 and worked at the Bioscience division for 5 years, from 2009-2014, analyzing many kinds of genomic data. She also supported and developed the computational systems for the project. Hazuki joined the NHMFL in May 2014. She enjoys working in the generator facility and lives in Los Alamos with her husband and two boys.
Billy Vigil 505-667-9778 b_vigil@lanl.gov
Mark Wartenbe 505-665-1604 mrw03h@fsu.edu
Mark Wartenbe received his bachelor of science in physics from Florida State University in 2009. He is currently enrolled at FSU as a PhD student.
Angie Willow 505-667-5032 awillow@lanl.gov
Angie Willow is the Administrative Assistant for the National High Magnetic Field Laboratory at MPA-CMMS/NHMFL in Los Alamos providing daily administrative support to the group and the User Program and to ensure effective and efficient operations. Angie has over 15 years of administrative experience and enjoys meeting the various visitors that come to the mag lab. Angie is from Santa Clara Pueblo, NM and is the proud mother to one son.
Luyi Yang 505-664-0706 luyi@lanl.gov
Vivien Zapf 505-667-1716 vzapf@lanl.gov
Dr. Zapf works on quantum magnetism and multiferroic behavior at the NHMFL-PFF at LANL. She completed her Ph.D. at UCSD with Brian Maple in 2003 on heavy-fermion and high-Tc materials. After a post-doc at Caltech on upper critical fields in high-Tc cuprates she joined the NHMFL as a post-doc and then staff. She studies bosonic behavior such as Bose-Einstein Condensation in quantum magnets, and magneto-electric effects and multiferroic behavior in both inorganic and organics. She specializes in electric polarization measurements in fast pulsed magnetic fields, as well as thermodynamic properties. She has built calorimeter for specific heat and magnetocaloric effect measurements at dil fridge temperatures. She also has experience measuring Hall effect, resistivity, dielectric constant, dilatometry, magnetization, and magnetoelectric current as well as measurements in the 33 T resistive and 45 T hybrid magnets at NHMFL-Tallahassee and in pulsed fields up to 65 T at the NHMFL in Los Alamos.
Zengwei Zhu 505-930-0859 zengwei.zhu@lanl.gov
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