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Magnetoresistance in long correlated nanowires of degenerate semiconductor InSb in asbestos matrix (wire diameter of around 5 nm, length 0.1 - 1 mm) is studied over temperature range 2.3 - 300 K. At zero magnetic field the electric…

Strongly Correlated Electrons · Physics 2009-11-07 S. V. Zaitsev-Zotov , Yu. A. Kumzerov , Yu. A. Firsov , P. Monceau

We report on giant positive magnetoresistance effect observed in VOx thin films, epitaxially grown on SrTiO3 substrate. The MR effect depends strongly on temperature and oxygen content and is anisotropic. At low temperatures its magnitude…

Strongly Correlated Electrons · Physics 2009-11-10 A. D. Rata , V. Kataev , D. Khomskii , T. Hibma

The recent discovery of a nonsaturating linear magnetoresistance in several correlated electron systems near a quantum critical point has revealed an interesting interplay between the linear magnetoresistance and the zero-field…

Several strongly correlated metals display B-linear magnetoresistance (LMR) with a universal slope, in sharp contrast to the $B^2$ scaling predicted by Fermi liquid theory. We provide a unifying explanation of the origin of LMR by focusing…

Strongly Correlated Electrons · Physics 2024-11-19 Jaewon Kim , Ehud Altman , Shubhayu Chatterjee

While magnetoresistance (MR) has generally been found to be symmetric in applied field in non-magnetic or magnetic metals, we have observed antisymmetric MR in Co/Pt multilayers. Simultaneous domain imaging and transport measurements show…

Other Condensed Matter · Physics 2009-11-10 X. M. Cheng , S. Urazhdin , O. Tchernyshyov , C. L. Chien , V. I. Nikitenko , A. J. Shapiro , R. D. Shull

Transport and magnetic studies of Ca3Ru2O7 for temperatures ranging from 0.4 K to 56 K and magnetic fields, B, up to 45 T leads to strikingly different behavior when the field is applied along the different crystal axes. A ferromagnetic…

Strongly Correlated Electrons · Physics 2009-11-11 X. N. Lin , Z. X. Zhou , V. Durairaj , P. Schlottmann , G. Cao

The giant magnetoresistance with a huge hysteresis is observed in the organic metal k-(BEDTTTF)2Hg(SCN)2Br at low temperature in a pressure interval around 3 kbar of a width ~1 kbar. The hysteretic magnetoresistance is isotropic with…

Strongly Correlated Electrons · Physics 2025-12-16 P. D. Grigoriev , S. I. Pesotskii , R. B. Lyubovskii , S. A. Torunova , D. S. Lyubshin , V. N. Zverev

Bilinear magnetoresistance is a nonlinear transport phenomenon that scales linearly with the electric and magnetic fields, and appears in nonmagnetic systems with strong spin-orbit coupling, such as topological insulators (TIs). Using the…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 A. N. Zarezad , A. Dyrdał

The gigantic decrease of resistance by an applied magnetic field, which is often referred to as colossal magnetoresistance (CMR), has been an attracting phenomenon in strongly correlated electron systems. The discovery of CMR in manganese…

Strongly Correlated Electrons · Physics 2019-09-25 S. Yamada , N. Abe , H. Sagayama , K. Ogawa , T. Yamagami , T. Arima

The magnetotransport properties in antiferromagnetic half-Heusler single crystals of TbPtBi, a magnetic-field-induced topological semimetal with simple band structure, are investigated. We found that a nonmonotonic magnetic field dependence…

Materials Science · Physics 2021-02-24 Jie Chen , Hang Li , Bei Ding , Hongwei Zhang , Enke Liu , Wenhong Wang

A positive, non-saturating and dominantly linear magnetoresistance is demonstrated to occur in the surface state of a topological insulator having a wavevector-linear energy dispersion together with a finite positive Zeeman energy…

Mesoscale and Nanoscale Physics · Physics 2012-08-28 C. M. Wang , X. L. Lei

Following the recent discovery of large magnetoresistance at room temperature in polyfluorence sandwich devices, we have performed a comprehensive magnetoresistance study on a set of organic semiconductor sandwich devices made from…

We report extremely large positive magnetoresistance of 1.72 million percent in single crystal TaSb$_{2}$ at moderate conditions of 1.5 K and 15 T. The quadratic growth of magnetoresistance (MR $\propto\,B^{1.96}$) is not saturating up to…

Strongly Correlated Electrons · Physics 2016-03-08 Zheng Wang , Yupeng Li , Yunhao Lu , Zhixuan Shen , Feng Sheng , Chunmu Feng , Yi Zheng , Zhuan Xu

Linear magnetoresistance (LMR) is a widespread phenomenon observed in a host of quantum materials ranging from semiconductor nanostructures to quantum critical and strange metals. While multiple scenarios to explain LMR have been proposed,…

Strongly Correlated Electrons · Physics 2026-05-13 A. Kool , D. Pizzirani , P. Tinnemans , S. Wiedmann , F. Flicker , J. van Wezel , N. E. Hussey , R. D. H. Hinlopen

The results of dc magnetization, electrical and magnetoresistance and heat capacity measurements (2-300 K) on Tb7Rh3, crystallizing in Th7Fe3-type hexagonal structure, are reported. In this compound, magnetic ordering sets in around 90 K…

Strongly Correlated Electrons · Physics 2022-04-26 Kausik Sengupta , Kartik K Iyer , E. V. Sampathkumaran

Linear magnetoresistance is a phenomenon that has been observed in a few topological compounds that originate from classical and quantum phenomena. Here, we performed electrical transport measurements, in zero and applied magnetic fields,…

Strongly Correlated Electrons · Physics 2021-08-19 Vikas Saini , Souvik Sasmal , Ruta Kulkarni , Arumugam Thamizhavel

We report a nonsaturating linear magnetoresistance in charge-compensated bilayer graphene in a temperature range from 1.5 to 150 K. The observed linear magnetoresistance disappears away from charge neutrality ruling out the traditional…

Magnetic lanthanide half-Heuslers ($R$PtBi; $R$ being the lanthanide) represent an attractive subgroup of the Heusler family and have been identified as ideal candidates for time reversal symmetry breaking topological Weyl semimetals. In…

Materials Science · Physics 2019-01-29 Ratnadwip Singha , Shubhankar Roy , Arnab Pariari , Biswarup Satpati , Prabhat Mandal

We use nanometer-sized point contacts to a Co/Cu spin valve to study the giant magnetoresistance (GMR) of only a few Co domains. The measured data show strong device-to-device differences of the GMR curve, which we attribute to the absence…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. J. C. H. Theeuwen , J. Caro , K. P. Wellock , S. Radelaar , C. H. Marrows , B. J. Hickey , V. I. Kozub

We systematically studied the magnetoresistance effect in a Pt/(CoNi)n multilayer system with perpendicular magnetic anisotropy and the fcc (111) texture. The angular dependence of magnetoresistance, including high-order cosine terms, was…

Applied Physics · Physics 2021-01-20 Yongwei Cui , Xiaoyu Feng , Qihan Zhang , Hengan Zhou , Wanjun Jiang , Jiangwei Cao , Desheng Xue , Xiaolong Fan
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