Ballistic edge states in Bismuth nanowires revealed by SQUID interferometry

Autor: Anil Murani, Alik Kasumov, Shamashis Sengupta, Yu A. Kasumov, V. T. Volkov, I. I. Khodos, F. Brisset, Raphaëlle Delagrange, Alexei Chepelianskii, Richard Deblock, Hélène Bouchiat, Sophie Guéron

Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)

Demonstration of ballistic conduction and spin polarization of edge state currents in two dimensional topological insulators remains a challenge. Here, Muraniet al. report a direct signature of ballistic one dimensional transport along the topologica

Externí odkaz: https://doaj.org/article/9ddf89219f4a4496ba13da33562dc21b

Hall effect sensors on the basis of carbon material

Autor: Yu. A. Kasumov, Igor I. Khodos, Oleg V. Kononenko, V. I. Levashov, V. N. Matveev, D. V. Matveev, V.T. Volkov

Publikováno v: Materials Letters. 158:384-387

Carbon films were fabricated on oxidized silicon substrates coated by treated bi-layer catalyst film using a chemical vapor deposition (CVD) method with a short-time acetylene inflow. The films consisted of carbon nanotubes and bundles of them, and g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99c03ec600ea7d950f0cfb46c3050501
https://doi.org/10.1016/j.matlet.2015.06.055

Ballistic edge states in Bismuth nanowires revealed by SQUID interferometry

Autor: Anil Murani, Alik Kasumov, Shamashis Sengupta, Yu A. Kasumov, V. T. Volkov, I. I. Khodos, F. Brisset, Raphaëlle Delagrange, Alexei Chepelianskii, Richard Deblock, Hélène Bouchiat, Sophie Guéron

Publikováno v: Nature Communications
Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)

The protection against backscattering provided by topology is a striking property. In two-dimensional insulators, a consequence of this topological protection is the ballistic nature of the one-dimensional helical edge states. One demonstration of ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba0bbe7e8cd776de1a58277dce9c66a9

The effect of catalyst nanoparticle preparation techniques on the structure of carbon nanotubes

Autor: Yu. A. Kasumov, Igor I. Khodos, V. N. Matveev, V. T. Volkov

Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 74:994-997

The effect of the composition, deposition method, and preliminary annealing temperature of catalyst thin films on the structure of catalyst nanoparticles and carbon nanotubes synthesized by CVD with a single acetylene burst was studied. A catalyst pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0535fd56ffd8910864ce90c65f4fc5e4
https://doi.org/10.3103/s1062873810070221

Magnetic field resistant quantum interferences in Josephson junctions based on bismuth nanowires

Autor: Igor I. Khodos, Yu. A. Kasumov, Hélène Bouchiat, Shamashis Sengupta, Franck Fortuna, Galina A. Tsirlina, Meydi Ferrier, Chuan Li, Anil Murani, Sophie Guéron, R. Deblock, Kirill S. Napolskii, D. Koshkodaev, A. Kasumov

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2014, 90 (issue 24), pp.245427. ⟨10.1103/PhysRevB.90.245427⟩

International audience; We investigate proximity-induced superconductivity in micrometer-long bismuth nanowires connected to superconducting electrodes with a high critical field. At low temperature we measure a supercurrent that persists in magnetic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f29493716f250221d3751ebfa1b2141
http://hal.in2p3.fr/in2p3-01115787