271 Clark Hall, 142 Science Drive
Cornell University, Ithaca, NY 14853
phone: 917-826-7183
email: [email protected]
web: pages.physics.cornell.edu/~sva24
SRIHARSHA V. ARADHYA
CURRICULUM VITAE
EMPLOYMENT
US permanent resident under EB1-Extraordinary Ability category
Postdoctoral Researcher, Cornell University, Applied Physics & Physics
Area: spintronics, MRAM; Advisors: Profs. Robert Buhrman and Daniel Ralph
Technology Fellow, Columbia Technology Ventures
2013 - pres
2009 - 2012
EDUCATION
Ph.D. Applied Physics, Columbia University, New York, NY
Area: atomic scale scanning probe microscopy; Advisor: Prof. Latha Venkataraman
M.S. Mechanical Engineering, Purdue University, West Lafayette, IN
B.Tech. Mechanical Engineering, IIT Madras, Chennai, India
2013
2008
2006
HONORS
Simon Prize for Outstanding Doctoral Dissertation - Columbia University
Graduate Student Gold Award - Materials Research Society (MRS)
Best Paper Award - Society for Experimental Mechanics (SEM)
Excellence in Graduate Research Award - American Physical Society (APS)
Education Fellowship - New York Academy of Sciences
Inventor Medal & Best Intern Award - General Electric Company
Summer Research Fellowship - JNCASR, Bangalore, India
Young Engineering Fellowship - Indian Institute of Science, Bangalore, India
2014
2013
2012
2012
2011
2005
2004
2004
PATENTS
Nanosecond-timescale spin-Hall effect switching (pending)
Method of bonding carbon nanotubes (divisional), US Patent No. 8,419,885
Method of bonding carbon nanotubes, US Patent No. 8,262,835
MEMS flow sensor, US Patent No. 7,337,678
2016
2013
2012
2008
RESEARCH SKILLS
Experimental
Nano-Fabrication: g-line, i-line and deep-UV photolithography, electron-beam lithography, dc
and rf magnetron sputtering, thermal and electron-beam evaporation, ion milling, plasma
etching, chemical vapor deposition, dicing, BEOL processes
Characterization: Atomic force microscopy (AFM), Scanning electron microscopy (SEM),
Scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS), X-ray
reflectivity (XRR), metrology/profilometry, ellipsometry
Measurement: nano- and micro-scale electronic and thermal transport measurements, , rf and
pulsed measurements, vibrating sample and SQUID magnetometry, ferromagnetic resonance,
magnetoresistance, laser optics and precision instrumentation
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Computing
Technical: Python, C, Matlab, Igor Pro, Abinit, Ansys, 3-D visualization (VMD, Avogadro)
General: HTML, vector graphics (Inkscape), 3-D graphics (Blender), 3-D modeling (AutoCAD,
Pro/E, solid works), Excel
RESEARCH EXPERIENCE
2013 - pres
Postdoctoral Research, Cornell University
- Demonstration of fast and energy-efficient switching of nanomagnets using the spin-Hall effect
- Quantifying spin pumping and spin torque at magnetic insulator-normal metal interfaces
- Effective nano-fabrication of complex devices for non-volatile magnetic storage applications
2008 - 2013
Doctoral Research, Columbia University
- Building and optimizing a high-resolution conducting atomic force microscope (AFM)
- Implementing new approaches for statistically reliable, quantitative analysis of large datasets
- Formulating models to bridge experiment and theory in atomic-scale mechanics and energetics
2006 - 2008
Graduate Research, Purdue University
- Developing a new electro-thermal method to bond vertically aligned carbon nanotubes (CNT)
- Analyzing interfacial chemical composition with X-ray spectroscopy and electron microscopy
2005
Research Internship, GE Global Research – Bangalore, India
- Designing a new micro-electro-mechanical (MEMS) device to monitor fluid flow using
analytical fluid mechanics and Finite Element Method (FEM) modeling
INVITED TALKS
Non-volatile Memory Technology Symposium, Pittsburgh, PA
Materials Research Society, San Francisco, CA – graduate awards session
Rice University, Dept. of Physics, Houston, TX – condensed matter seminar
Cornell University, Dept. of Physics, Ithaca, NY – LASSP seminar
Harvard University, Dept. of Physics, Cambridge, MA
Dr. Reddy’s Laboratory Ltd., Hyderabad, India – R&D web seminar
The Indian-Origin Young Investigator Meeting, MIT, Boston, MA
Caltech, Dept. of Applied Physics, Pasadena, CA
Asylum Research Inc., Santa Barbara, CA – R&D seminar
2016
2013
2013
2013
2013
2012
2012
2012
2011
PROFESSIONAL SERVICE
2013 - pres
Referee
PRL
JACS
J. Phys. Chem.
AIP Advances
Nano Letters
Scientific Reports
Chem. Soc. Rev.
Chem. Phys. Chem.
Session Organizer for Society for Experimental Mechanics (SEM) Conference
2012 - 2013
Invited Panel Review Member for National Science Foundation
2017
TEACHING EXPERIENCE
Instructor, Science Honors Program – NSF Nano Sci. & Eng. Center
2012 - 2013
Columbia University
- Teaching 2.5-hour classes on nanoscience topics to motivated high-school juniors and seniors
- Proctoring highly competitive entrance exams for NYC-area high-school students
- Conducting and hosting laboratory tours across Columbia’s nanoscience research facilities
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Teaching Assistant and Grader
2008 - 2012
Columbia University
- Creating problem set solutions, grading homework and helping students with conceptual
understanding through tutorial sessions for senior undergraduate/graduate 4000-level ‘Applied
Electromagnetism’ course taught by Prof. Allen Boozer
- Grading and proctoring exams for 4000-level ‘Principles of Applied Mathematics’ course
COMMUNITY INVOLVEMENT
Radio Programmer/DJ &Audio Technician
2009 - 2013
‘In all languages’ department, WKCR 89.9 FM NYC
- Researching and presenting in-depth radio broadcasts about international (non-US) music
- Organizing and promoting South Asian events in the New York metropolitan area, including a
live 24-hour marathon radio broadcast in July 2012
- Recording and mastering music for archival as well as public and commercial release
Education Fellow, New York Academy of Sciences
2011 - 2012
Salomé Ureña I.S. 218, Harlem, NYC
- Mentoring children (grades 6-8) with a focus on developing their engineering intuition
- Guiding children to build a robot for the ‘First Lego League’ competition
Volunteer, New York NanoDays - NSF Nano Sci. & Engg. Center
2011
Columbia University
- Building an interactive demonstration experiment with audio modulation of electric discharge
- Visiting high-schools across New York City to increase science awareness among students
Peer Advisor – International Students and Scholars Office
2009
Columbia University
- Guiding newly arrived international students to fit into the university and urban community
PRESENTATIONS (AS SPEAKER)
1. ‘Magnetization dynamics enabling reliable nanosecond-timescale switching through the spin
Hall effect’, APS March Meeting, New Orleans, LA, 2017
2. ‘Systematic temperature and thickness dependence of magnetic properties in nanometer-thick
garnet films’, APS March Meeting, New Orleans, LA, 2017
3. ‘Nanosecond-timescale low error switching of in-plane magnetic tunnel junctions through
dynamic Oersted-field assisted spin-Hall effect’, Magnetism and Magnetic Materials Annual
Conference, New Orleans, LA, 2016
4. ‘Few-nanosecond pulse switching with low write error for in-plane nanomagnets using the
spin-Hall effect’, APS March Meeting, Baltimore, MD, 2016
5. ‘Engineering damping in insulating magnet-metal bilayers using ultrathin spacer layers’,
APS March Meeting, San Antonio, TX, 2015
6. ‘Quantitative bond energetics in atomic-scale junctions with significant van der Waals
character’, APS March Meeting, San Antonio, TX, 2015
7. ‘Probing force and energy in nanoscale junctions: Experiment and Theory’, Department of
Energy Operations Review, Brookhaven National Laboratory, Upton, NY, 2013
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8. ‘Van der Waals Interactions at Single-Molecule Organic-Metal Interfaces’, SEM Annual
Conference, Chicago, IL, 2013
9. ‘Measuring van der Waals Interactions at Metal-organic Interfaces at the Single-molecule
Level Using a Conducting Atomic Force Microscope’, MRS Spring Meeting, San Francisco, CA,
2013
10. ‘Unraveling van der Waals interactions at metal/organic interfaces at the single-molecule
level’, New York Academy of Science – Gotham Metro Condensed Matter Meeting, New York,
NY, 2012
11. ‘Feeling the invisible: probing quantum interference at the single molecule level’, Gordon
Research Conference and Gordon-Kenan Seminar on Electron Donor-Acceptor Interactions,
Newport, RI, 2012
12. ‘Simultaneous measurement of force and conductance across single-molecule junctions’,
SEM Annual Conference, Costa Mesa, CA, 2012
13. ‘Simultaneous conductance and mechanical measurements on single-molecule junctions
reveal enhanced binding due to van der Waals interactions’, APS March Meeting, Boston, MA,
2012
14. ‘Measuring the force to toggle a single-molecule switch using conductive atomic force
microscope’, Seeing at the Nanoscale Conference, Santa Barbara, CA, 2011
15. ‘Measurements of bond breaking forces in single atom contacts and single molecule
junctions’, APS March Meeting, Portland, OR, 2010
16. ‘Electrothermal bonding of carbon nanotubes to glass’, IEEE Intersociety Conference on
Thermal and Thermomechanical Phenomena in Electronic Systems, Orlando, FL, 2008
SELECTED PRESENTATIONS AS CO-AUTHOR
17. ‘Cryogenic operation of three-terminal spin-Hall effect elements’, MMM Annual
Conference, New Orleans, LA, 2016 (by G. E. Rowlands, Raytheon)
18. ‘Development of Integrated Memory Process: Combining Josephson junctions, nanowire
and magnetic devices into a single integrated circuit’, Applied Superconductivity Conference,
Denver, CO, 2016 (by O. Mukhanov, Hypres, Inc.)
19. ‘Fast switching of in-plane magnetized three-terminal devices with the spin-Hall effect’,
MMM Intermag Joint Conference, San Diego, CA, 2016 (by G. E. Rowlands, Raytheon-BBN
Technologies, Inc.)
20. ‘Spin Seebeck measurements of current-induced switching in YIG’, APS March Meeting,
Baltimore, MD, 2016 (by Fuchs group, Cornell University)
21. ‘Imaging nano- and micrometer-sized magnetic insulator devices in the presence of spintorque’, APS March Meeting, San Antonio, TX, 2015 (by Moler group, Stanford University)
22. ‘Manipulation of Magnetic Insulators Using Spin Torque from the Spin Hall Effect’, APS
March Meeting, San Antonio, TX, 2015 (by Ralph group, Cornell University)
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PUBLICATIONS
Citations >750; h-index = 9; ‘†’ highlights publication with >50 citations; * = co-first-author
1. Nanosecond magnetization dynamics during spin Hall switching of in-plane magnetic tunnel
junctions
G. E. Rowlands,* S. V. Aradhya,* S. Shi, E. Yandel, J. Oh, D. C. Ralph, and R. A. Buhrman
Appl. Phys. Lett. 110 (12), 122402
[Cover article for March 2017 issue]
2. Nanosecond-timescale low energy switching of in-plane magnetic tunnel junctions through
dynamic Oersted-field-assisted spin Hall effect
S. V. Aradhya,* G. E. Rowlands,* J. Oh, D. C. Ralph, and R. A. Buhrman
Nano Letters, 16(10), 5987-5992, (2016)
[Cover article for October 2016 issue]
3. Low-damping sub-10-nm thin films of lutetium iron garnet grown by molecular-beam epitaxy
C. L. Jermain, H. Paik, S. V. Aradhya, R. A. Buhrman, D. G. Schlom, and D. C. Ralph
Appl. Phys. Lett. 109, 192408 (2016)
4. Increased low-temperature damping in yttrium iron garnet thin films
C. L. Jermain, S. V. Aradhya, J. T. Brangham, M. R. Page, N. D. Reynolds, P. C. Hammel, R. A.
Buhrman, F. Y. Yang, D. C. Ralph
Phys. Rev. B (under review); ArXiv:1612.01954
5. Imaging magnetization structure and dynamics in ultrathin YIG/Pt bilayers with high
sensitivity using the time-resolved longitudinal spin Seebeck effect
J. M. Bartell, C. L. Jermain, S. V. Aradhya, J. T. Brangham, F.Yang, D.C. Ralph and G.D. Fuchs
Phys. Rev. Applied (in press); ArXiv: 1612.07610
6. Demonstration of efficient spin-orbit torque switching of an MTJ with sub-100 ns pulses
T. A. Gosavi, S. Manipatruni, S. V. Aradhya, G. E. Rowlands, D. Nikonov, I. A. Young, and S.
A. Bhave
IEEE Trans. Magn. (under review); ArXiv:1506.09177
7. Quantitative bond energetics in atomic-scale junctions
S. V. Aradhya, A. Nielsen, M. S. Hybertsen, and L. Venkataraman
ACS Nano, 8(7), 7522-7530, (2014)
8. † Single-molecule junctions beyond electronic transport
S. V. Aradhya and L. Venkataraman
Nature Nanotechnology, 8(6), 399-410, (2013)
[Cover invited article for the Focus Issue on molecular electronics]
9. Correlating structure, conductance, and mechanics of silver atomic-scale contacts
S. V. Aradhya, M. Frei, A. Halbritter, and L. Venkataraman
ACS Nano, 7(4), 3706-3712, (2013)
10. † Van der Waals interactions at metal/organic interfaces at the single-molecule level
S. V. Aradhya, M. Frei, M. S. Hybertsen, and L. Venkataraman
Nature Materials, 11(10), 872-876, (2012)
[News & Media: Dispersion forces unveiled, Nature Materials ‘News & Views’; First singlemolecule measurement of Van Der Waals interactions at metal-organic interface, Phys.org]
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11. † Dissecting contact mechanics from quantum interference in single-molecule junctions of
stilbene derivatives
S. V. Aradhya,* J. S. Meisner,* M. Krikorian, S. Ahn, R. Parameswaran, M. L. Steigerwald, C.
Nuckolls, and L. Venkataraman
Nano Letters, 12(3), 1643-1647, (2012)
[News & Media: QuIETs on the horizon, NanoTechWeb.org]
12. Electronic transport and mechanical stability of carboxyl linked single-molecule junctions
S. Ahn, S. V. Aradhya, R. S. Klausen, B. Capozzi, X. Roy, M. L. Steigerwald, C. Nuckolls, and
L. Venkataraman
Phys. Chem. Chem. Phys., 14(40), 13841-13845, (2012)
13. † Linker dependent bond rupture force measurements in single-molecule junctions
M. Frei, S. V. Aradhya, M. S. Hybertsen, and L. Venkataraman
JACS, 134(9), 4003-4006, (2012)
14. Importance of direct metal-π coupling in electronic transport through conjugated singlemolecule junctions
J. S. Meisner, S. Ahn, S. V. Aradhya, M. Krikorian, R. Parameswaran, M. L. Steigerwald, L.
Venkataraman, and C. Nuckolls
JACS, 134(50), 20440-20445, (2012)
15. † Mechanics and chemistry: single molecule bond rupture forces correlate with molecular
backbone structure
M. Frei, S. V. Aradhya, M. S. Hybertsen, M. Koentopp, and L. Venkataraman
Nano Letters, 11(4), 1518-1523, (2011)
[News & Media: Pulling molecular junctions apart, NanoTechWeb.org]
16. Electrothermal bonding of carbon nanotubes
S. V. Aradhya, S. V. Garimella, and T. S. Fisher
J. Electrochem. Soc., 155(9), K161-K165, (2008)
PUBLICATIONS – OTHER
1. Thoughts on an education
S. V. Aradhya
Nature Nanotechnology, 8, 794, (2013)
[Invited contribution to feature article about nanoscience education]
2. Simultaneous measurement of force and conductance across single-molecule junction
S. V. Aradhya, M. F. Frei, M. S. Hybertsen, and L. Venkataraman
MEMS and Nanotechnology VI (Springer New York), 6, 75-84, (2012)
[Won the Best Paper Award at 2012 SEM annual conference]
3. Electrothermal bonding of carbon nanotubes to glass
S. V. Aradhya, S. V. Garimella, and T. S. Fisher
Proc. IEEE, Thermal and Thermomech. Phenomena in Electronic Systems, 1071-1077, (2008)
4. MEMS flow sensor: design and modeling challenges
S. V. Aradhya and P. Thakre
Technical Information Series, GE Global Research, 414, (2005)
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REFERENCES
Robert A. Buhrman
J. E. Sweet Professor of Engineering
Cornell University
email: [email protected]
phone: 607-255-3732
211 Clark Hall, 142 Science Drive
Ithaca, NY 14853
Daniel C. Ralph
F. R. Newman Professor of Physics
Cornell University
email: [email protected]
phone: 607-255-9644
538 Clark Hall, 142 Science Drive
Ithaca, NY 14853
Latha Venkataraman
Professor, Applied Physics
Columbia University
email: [email protected]
phone: 212-854-1786
201 S.W. Mudd, 500 W. 120th street,
New York, NY 10027
Mark S. Hybertsen
Theory Group Leader
Center for Functional Nanomaterials
Brookhaven National Lab
email: [email protected]
phone: 631-344-5996
Bldg. 735, P.O. Box 5000
Upton, NY 11973
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