Dr. Ilya Soshnikov

Dr.
Dr. Ilya Soshnikov
M.Sc. Year: 
Ph.D. Year: 

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).

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

Oscillatory magnetoresistance in nanopatterned superconducting La1.84Sr0.16CuO4 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 Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+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 La1.84Sr0.16CuO4 films,

Physical Review B 82, 094513 (2010).

[7] I Sochnikov, A Shaulov, T. Tamegai and Y Yeshurun, Vortex phase transitions in Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+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 La1.84Sr0.16CuO4 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 Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+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 Bi2Sr2CaCu2O8+x using ac techniques”, poster presentation at Israel Physics Society conference, Jerusalem.