Dr. Ilya Soshnikov

M.Sc. Year:

2004 - 2006

Ph.D. Year:

2007 - 2010

Research
Publications
CV
Thesis
Dissertation

Research

Vortex Phase Diagram, Superconducting Properties of nano-layers and nano-rings

Publications

Uncorrelated behavior of fluxoids in superconducting double networks
I. Sochnikov, I. Božović, A. Shaulov and Y. Yeshurun
Phys. Rev. B 84, 094530 (2011).

Single-loop-like energy oscillations and staircase vortex occupation in superconducting double networks

I. Sochnikov, Y. Shokef, A. Shaulov, and Y. Yeshurun
Phys. Rev. B 84, 024513 (2011).

Oscillatory magnetoresistance in nanopatterned superconducting La_1.84Sr_0.16C_uO₄ films
I. Sochnikov, A. Shaulov, Y. Yeshurun, G. Logvenov, and I.Božović
Phys. Rev. B 82, 094513 (2010)

Large oscillations of the magnetoresistance in nano-patterned high-temperature superconducting films
I. Sochnikov, A. Shaulov, Y. Yeshurun, Gennady Logvenov and Ivan Bozˇovic´
Nature Nanotechnology 5, 516 (2010)

Vortex phase transitions in Bi₂Sr₂CaCu₂O_8+x probed by nonlinear AC magnetic response
I Sochnikov, A Shaulov, T Tamegai and Y Yeshurun
J. Phys.: Conf. Ser. 150 052244 (2009)

Oscillatory magnetic relaxation in Bi₂Sr₂CaCu₂O_8+δ
D. Barness, I. Sochnikov, B.Kalisky, A. Shaulov, Y. Yeshurun
Physica C 468, 280 (2008)

Investigation of the vortex order-disorder phase transition line in Bi₂Sr₂CaCu₂O_8+d using AC techniques
I. Sochnikov, A. Shaulov, and Y. Yeshurun
J. Appl. Phys. 103, 07C705 (2008)

I-V Curves of BSCCO Tape Carrying DC Current Exposed to Perpendicular and Parallel AC Fields
A. Friedman, Y. Wolfus, F. Kopansky, I. Soshnikov, V. Roitberg, S. Asulay, B. Kalisky, and Y. Yeshurun
IEEE Trans. Appl. Supercond., 15, No. 2 (2005)

CV

Ilya Sochnikov
E-mail: ilya.sochnikov@gmail.com

Experience

2011	Stanford University	Postdoctoral fellow, Physics
2004-11	Bar-Ilan University	Teaching assistant
2007&10	Brookhaven National Laboratory	Visiting researcher

Education

2011	Ph. D., Physics, Bar-Ilan University
2006	M. Sc., Physics, Bar-Ilan University
2004	B. Sc. (magna cum laude), Physics & Computer Sciences, Bar-Ilan University

Fields of interest & expertise

Solid state physics

Electronic nano-devices

Nanofabrication

Superconductors, Magnetic materials, Topological Insulators

Magnetic sensing (SQUIDs, Hall sensors)

Cryogenic Scanning Microscopy (SQUID & MFM)

Numerical simulations (Matlab, Mathcad, C, C++)

Outline of the current and past research activities

Postdoctoral research: currently involved in imaging and modeling of magnetic materials and nanostructures, mainly superconductors and topological insulators.
Graduate research: designed, fabricated & characterized nanoscale superconducting networks, developed theoretical model & performed numerical simulations of the network.

Other graduate research projects: fabricated and tested a large array of Hall sensors of few microns size based on GaAs/AlGaAs heterostructures.
Master's research: Investigated phase transitions in high temperature superconductors, using various magnetometry techniques.
Undergraduate research: was involved in development of industrial applications based on superconductors.

Publications

Theory & Modeling

[1] I. Sochnikov, Y. Shokef, A. Shaulov, Y. Yeshurun, Single-loop like energy oscillations and staircase vortex occupation in superconducting double networks,

in print, DOI: 10.1103/PhysRevB.00.004500, Physical Review B (2011).

[2] I. Sochnikov, Y. Shokef, A. Shaulov and Y. Yeshurun, Dichotomic fluxoid quantization effects in a superconducting double network, submitted, Journal of Physics (2011).

Experiment

[3] I. Sochnikov, Y. Shokef, G. Logvenov, I. Božović, A. Shaulov, and Y. Yeshurun, Fluxoid quantization effects in high-Tc superconducting double networks, submitted, invited paper, Journal of Physics (2011).

[4] I. Sochnikov, I. Bozovic, A. Shaulov, Y. Yeshurun, Uncorrelated behavior of fluxoids
in superconducting double networks,

submitted, Physical Review B (2011).

[5] I. Sochnikov, A. Shaulov, Y. Yeshurun, G. Logvenov and I. Bozovic, Large oscillations of the magnetoresistance in nano-patterned high-temperature superconducting films,

Nature Nanotechnology 5, 516 - 519 (2010).

[6] I. Sochnikov, A. Shaulov, Y. Yeshurun, G. Logvenov and I. Bozovic, Oscillatory magnetoresistance in nano-patterned superconducting La_1.84Sr_0.16CuO₄ films,

Physical Review B 82, 094513 (2010).

[7] I Sochnikov, A Shaulov, T. Tamegai and Y Yeshurun, Vortex phase transitions in Bi₂Sr₂CaCu₂O_8+x probed by nonlinear AC magnetic response,

Journal of Physics 150 052244 (2009).

[8] I. Sochnikov, A. Shaulov, and Y. Yeshurun, Investigation of the vortex order-disorder phase transition line in Bi₂Sr₂CaCu₂O_8+d using AC techniques,

Journal of Applied Physics 103, 07C705 (2008).

[9] D. Barness, I. Sochnikov, B.Kalisky, A. Shaulov, Y. Yeshurun, Oscillatory magnetic relaxation in Bi₂Sr₂CaCu₂O_8+δ,

Physica C 468, 280 (2008).

[10] A. Friedman, Y. Wolfus, F. Kopansky, I. Soshnikov, V. Roitberg, S. Asulay, B. Kalisky, and Y. Yeshurun, I-V Curves of BSCCO Tape Carrying DC Current Exposed to Perpendicular and Parallel AC Fields

IEEE Transactions on Applied Superconductivity, 15, No. 2 (2005).

Awards

2009-11	Distinguished Eshkol fellowship, Israeli Ministry of Science and Technology
2010	Best Poster award, NanoIsrael conference
2010	Excellence in research award, Department of Physics, Bar-Ilan University
2008-09	Excellence award, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University
2007	David Barkovski award for achievements in study, Faculty of Exact sciences, Bar-Ilan Un.
2006	Salim Benin award, Faculty of Exact Sciences, Bar-Ilan University, Jewish Agency
2004	Haim Ben-Noah fund award, Ministry of Justice, Israel
2004	Rachel and Reuben Jacobs award, Faculty of Exact Sciences, Bar-Ilan University
2004	Municipality of Ramat-Gan, City Mayor award
2003	Excellence award, Department of Physics, Bar-Ilan University
Presentations & talks
2012	"Stability of half-quantum vortices in superconducting networks", *contributed talk*, March Meeting, Boston
2011	"Single-loop like energy oscillations and staircase vortex occupation in superconducting double networks", invited poster, Vortex Matter 2011 workshop, Chicago, USA
2011	“Large oscillations ...”, seminar, Ort Braude College, Karmiel, Israel
2011	“Large oscillations ...”, seminar, MIT, Boston, USA
2011	Large oscillations of the magnetoresistance in nano-patterned high-temperature superconducting films”, contributed talk, at the March Meeting, APS, Dallas, USA
2010	“Large oscillations of the magnetoresistance in nano-patterned high-temperature superconducting films”, invited talk, The sixth International conf. on Mathematical Modeling and Computer Simulation of Materials Technologies, Israel
2010	“Large oscillations ...”, seminar, Brookhaven National Labaratory, USA
2010	“Large oscillations ...”, seminar, Harvard University, USA
2010	“Large oscillations ...”, contributed talk, Annual Israeli Physics Society Meeting
2010	“Oscillatory magnetoresistance in nano-patterned superconducting La_1.84Sr_0.16CuO₄ films”, poster (best poster award), NanoIsrael conf.
2010	“Large oscillations ...”, poster presentation, Nanostructure Fabrication, Gordon Research Conference, Tilton, New Hampshire, USA.
2010	“Large oscillations ...”, Hagoshrim internal conf., oral presentation, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Israel.
2010	“Large oscillations ...”, poster presentation at Russell Berrie Nanotechnology Institute winter school, Dead Sea, Israel.
2008	“Vortex phase transitions in Bi₂Sr₂CaCu₂O_8+x probed by nonlinear AC magnetic response”, poster presentation at Low Temperature Physics conf. (LT25), Amsterdam, The Netherlands.
2007	“Investigation of the vortex order-disorder phase transition line in Bi₂Sr₂CaCu₂O_8+x using ac techniques”, oral presentation at 52nd Annual Conference on Magnetism and Magnetic Materials, Tampa, USA.
2005	“Investigation of the vortex phase diagram of Bi₂Sr₂CaCu₂O_8+x using ac techniques”, poster presentation at Israel Physics Society conference, Jerusalem.

Thesis

Investigation of the Vortex Phase Diagram in Bi2Sr2CaCu2O8+ δ Using AC Susceptibility Techniques

Dissertation

Superconducting Properties of La2−xSrxCuO4 nano-layers and nano-rings

Last modified: 16/09/2014