English
Related papers

Related papers: Two-dimensional magnetotransport in Bi2Te2Se nanop…

200 papers

A two dimensional magnetic particle in the presence of an external magnetic field is studied. Equilibrium thermodynamical properties are derived by evaluating analytically the partition function. When the external field is applied…

Condensed Matter · Physics 2009-11-07 P. Vargas , D. Altbir , M. Knobel , D. Laroze

Quantum transport in magnetic topological insulators reveals the strong interplay between the magnetism and topology of electronic band structures. A recent experiment on magnetically doped topological insulator Bi2Se3 thin films showed the…

Mesoscale and Nanoscale Physics · Physics 2020-05-27 Huan-Wen Wang , Bo Fu , Shun-Qing Shen

In the last six years, Indium selenide (InSe) has appeared as a new van der Waals heterostructure platform which has been extensively studied due to its unique electronic and optical properties. Such as transition metal dichalcogenides…

We report here the results of two-dimensional electron gas based micro-Hall magnetometry measurements and micromagnetic simulations of dipolar coupled nanomagnets of Ni80Fe20 arranged in a double ring-like geometry. We observe that although…

Mesoscale and Nanoscale Physics · Physics 2020-03-12 N. Keswani , Y. Nakajima , N. Chauhan , H. Chakraborti , K. Dasgupta , S. Kumar , Y. Ohno , H. Ohno , P. Das

We report the magnetotransport properties up to 7 T in the organic highly conducting Langmuir-Blodgett(LB) films formed by a molecular association of the electroactive donor molecule bis(ethylendioxy)tetrathiafulvalene (BEDO-TTF) and…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Yasuo Ishizaki , Mitsuru Izumi , Hitoshi Ohnuki , Krystyna Kalita-Lipinska , Tatsuro Imakubo , Keiji Kobayashi

The weak localization correction to the conductivity in coupled double layer structures is studied both experimentally and theoretically. Statistics of closed paths has been obtained from the analysis of magnetic field and temperature…

Disordered Systems and Neural Networks · Physics 2009-10-31 G. M. Minkov , A. V. Germanenko , O. E. Rut , O. I. Khrykin , V. I. Shashkin , V. M. Danil'tsev

Investigations into the heterogeneous pinning properties of the vortex state created by partially nano-patterning single crystals of 2H-NbSe2 reveal an atypical magnetization response which is significantly drive dependent. Analysis of the…

Superconductivity · Physics 2012-01-20 Gorky Shaw , Jaivardhan Sinha , Shyam Mohan , S. S. Banerjee

We report on theoretical studies of the recently discovered negative giant magnetoresistance in ultraclean two-dimensional electron systems at low temperatures. We adapt a transport model to a ultraclean scenario and calculate the elastic…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Jesús Inarrea

The stability of the superconducting dissipationless and resistive states in single-crystalline NbSe2 nanobelts is characterized by transport measurements in an external magnetic field (H). Current-driven electrical measurements show…

Superconductivity · Physics 2015-06-25 Abram Falk , Mandar M. Deshmukh , Amy L. Prieto , Jeffrey J. Urban , Andrea Jonas , Hongkun Park

As a typical 2D magnetic material with self-intercalated structure, Cr5Te8 exhibits many fascinating magnetic properties. Although the ferromagnetism of 2D Cr5Te8 has been reported, the study of its magnetic domain is still blank. Herein,…

Mesoscale and Nanoscale Physics · Physics 2023-05-23 Hanxiang Wu , Jianfeng Guo , Suonan Zhaxi , Hua Xu , Shuo Mi , Le Wang , Shanshan Chen , Rui Xu , Wei Ji , Fei Pang , Zhihai Cheng

Crystalline two-dimensional (2D) superconductors with low carrier density are an exciting new class of materials in which superconductivity coexists with strong interactions, the effects of complex topology are not obscured by disorder, and…

A Bi2Se3 topological insulator field effect transistor is investigated by using ionic liquid as an electric double layer gating material, leading to a conductance modulation of 365% at room temperature. We discuss the role of charged…

We report the crystal growth as well as transport properties of Co added Bi2Se3 single crystals. The values of the lattice parameters a and b for Co added sample were observed to increase as compared to the pure Bi2Se3. The Raman…

Materials Science · Physics 2019-01-01 Rabia Sultana , Ganesh Gurjar , S. Patnaik , V. P. S. Awana

The following report considers textured materials of the DyBa2Cu3O7 type seeded with a Nd123 seed as initiator. They are grown with an excess 20% Dy211 phase on a Dy2O3 substrate. We report chemical characterizations, electrical…

Superconductivity · Physics 2015-06-24 M. Pekala , J. Mucha , Ph. Vanderbemden , R. Cloots , M. Ausloos

TaTe2 is a quasi-2D charge density wave (CDW) compound with distorted-1T type structure exhibiting double-zigzag chains. Here we report the Fermi surface topology of low temperature phase of TaTe2 (LT-TaTe2) by anisotropic magneto-transport…

Strongly Correlated Electrons · Physics 2017-04-05 Hongxiang Chen , Zhilin Li , Liwei Guo , Xiaolong Chen

Transition metal dichalcogenides (TMDs) are interesting for understanding fundamental physics of two-dimensional materials (2D) as well as for many emerging technologies, including spin electronics. Here, we report the discovery of…

We report x-ray diffraction, electrical resistivity, and magnetoresistance measurements on Bi2Se3 under high pressure and low temperature conditions. Pressure induces profound changes in both the room temperature value of the electrical…

Materials Science · Physics 2015-06-03 J. J. Hamlin , J. R. Jeffries , N. P. Butch , P. Syers , D. A. Zocco , S. T. Weir , Y. K. Vohra , J. Paglione , M. B. Maple

We report on measurements and a detailed analysis of the reversible magnetization of superconducting NbSe2 single crystals. By comparing the experimental data with Ginzburg Landau theory we show that superconductivity in NbSe2 cannot be…

Superconductivity · Physics 2010-07-21 M. Zehetmayer , H. W. Weber

We present low-temperature transport measurements of a gate-tunable thin film topological insulator system that features high mobility and low carrier density. Upon gate tuning to a regime around the charge neutrality point, we infer an…

Transition metal dichalcogenides like 2H-NbSe2 in their two-dimensional (2D) form exhibit Ising superconductivity with the quasiparticle spins are firmly pinned in the direction perpendicular to the basal plane. This enables them to…