Igor V. Roshchin

FACE

email: igor [ at ] science.komkon.org

Scientific interests:

Condensed matter physics, physics of nanostructures, mesoscopic systems, magnetism, superconductivity, proximity effects, physical and bio-chemical nanosensors.

Curriculum Vitæ

List of Publications, Presentations, Patents

Selected Publications:

Pavel N. Lapa, M.-H. Lee, Igor. V. Roshchin, K. D. Belashchenko, and Ivan. K. Schuller, "Detection of uncompensated magnetization at the interface of an epitaxial antiferromagnetic insulator", Phys. Rev. B 102, 174406 (2020); doi: 10.1103/PhysRevB.102.174406.
N.M. Bruno, D. Salas, S. Wang, Igor V. Roshchin, R. Santamarta, R. Arroyave, T. Duong, Y.I. Chumlyakov, I. Karaman, "On the microstructural origins of martensitic transformation arrest in a NiCoMnIn magnetic shape memory alloy", Acta Materialia, 142, 95-106 (2018) doi: 10.1016/j.actamat.2017.08.037.
Pavel N. Lapa, Igor. V. Roshchin, J. Ding, J. E. Pearson, V. Novosad, J. S. Jiang, and A. Hoffmann, "Magnetoresistive detection of strongly pinned uncompensated magnetization in antiferromagnetic FeMn" Phys. Rev. B 95, 020409(R) (2016); doi: 10.1103/PhysRevB.95.020409.
Dogan Kaya, Pavel N. Lapa, Priyanga Jayathilaka, Hillary Kirby, Casey W. Miller, and Igor V. Roshchin, "Controlling Exchange Bias in FeMn with Cu", Journal of Applied Physics, 113, 17D717 , (2013); doi: 10.1063/1.4798310.
Igor V. Roshchin, C.-P. Li, Harry Suhl, Xavier Batlle, S. Roy, S. Sinha, S. Park, R. Pynn, M. Fitzsimmons, J. Mejia-Lopez, D. Altbir, A. H. Romero, and Ivan K. Schuller, "Measurement of the vortex core in sub-100 nm Fe dots using polarized neutron scattering" EPL, 86, 67008, (2009).
Chang-Peng Li, Igor V. Roshchin, Xavier Batlle, M. Viret, F. Ott, and Ivan K. Schuller, "Fabrication and structural characterization of highly ordered sub-100 nm planar magnetic nanodot arrays over 1 cm² coverage area." Journal of Applied Physics, 100, 074318 (2006).
I. V. Roshchin, O. Petracic, R. Morales, Z.-P. Li, X. Batlle, and I. K. Schuller, " Lateral length scales in exchange bias", Europhysics Letters, 71, 297-303, (2005)
S. Roy, M. R. Fitzsimmons, S. Park, M. Dorn, O. Petracic, I. V. Roshchin, Zhi-Pan Li, X. Batlle, R. Morales, A. Misra, X. Zhang, K. Chesnel, J. B. Kortright, S. K. Sinha and Ivan K. Schuller, "Depth profile of uncompensated spins in the antiferromagnetic layer of an exchange bias system", Physical Review Letters 95, 047201 (2005).
J. J. Akerman, I. V. Roshchin, J.M. Slaughter, R. W. Dave and I. K. Schuller "Origin of Temperature Dependence in Tuneling Magnetoresistance", Europhysics Letters 63(1), 104-110 (2003).
Kai Liu, J. Nogues, C. Leighton, H. Masuda, K. Nishio, I. V. Roshchin, and Ivan K. Schuller "Fabrication and Thermal Stability of Arrays of Fe Nanodots", Applied Physics Letters 81, 4434-4436 (2002).
This article was selected for publication in the Virtual Journal of Nanoscale Science & Technology--December 9, 2002 Volume 6, Issue 24
I. V. Roshchin, J. Yu, A. D. Kent, G. W. Stupian, and M. S. Leung, "Magnetic Properties of Fe Microstructures with Focused Ion Beam-Fabricated Nano-Constrictions", IEEE Transactions on Magnetics 37 , 2101-2103 (2001). (preprint with good image quality)
I. V. Roshchin, A. C. Abeyta, L. H. Greene, T. A. Tanzer, J. F. Dorsten, P. W. Bohn, S.-W. Han, P. F. Miceli, J. F. Klem, "Observation of the Superconducting Proximity Effect in Nb/InAs and NbN_x/InAs by Raman Scattering", Physical Review B 66, 134530 (2002).
This article was selected for publication in the Virtual Journal of Applications of Superconductivity--November 1, 2002 Volume 3, Issue 9
A. V. Pronin, M. Dressel, A. Pimenov, A. Loidl, I. V. Roshchin, L. H. Greene "Direct Observation of the Superconducting Energy Gap Developing in the Conductivity Spectra of Niobium", Physical Review B 57, 14416-14421 (1998).
L. H. Greene, I. V. Roshchin, A. C. Abeyta, G. Kuchler, J. F. Dorsten, T. A. Tanzer, W. L. Feldmann, and P. W. Bohn, "Raman Scattering as a Probe of the Superconducting Proximity Effect", Plenary Proceedings of the XXI International Conference on Low-Temperature Physics (LT21), Prague, Czech Republic, August 8-14, 1996. Czechoslovak Journal of Physics 46, S6, 3115-3122 (1996).
I. V. Roshchin, V. N. Stepankin, Yu. P. Yakovets, M. A. Baranov, A. V. Kuznetsov, D. I. Zhigunov, S. V. Sheeryaev, "Anomalous behavior of the critical current of a grain-boundary Josephson junctions in a bulk (Ba,K)BiO₃", JETP Letters, 59, 168-172 (1994) (Pis'ma V Zh. Eksp. Teor. Fiz., 59, 159-162 (1994)).

"Frustrations from Technologies - Is It Worth the Effort?" slides from the presentation at the Conference "Teaching With Technologies" (2010).

Artistic interests and hobbies:

My photographs at 42graphy

My photographs at Pentax Photo Gallery

My translations (photography-related humor):

College Station Argentine Tango group
(I was one of the founding members)

Igor V. Roshchin

Scientific interests:

Artistic interests and hobbies:

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