English
Related papers

Related papers: Extraordinary Magnetoresistance in Hybrid Semicond…

200 papers

The linear Edelstein effect is a cornerstone phenomenon in spintronics that describes the generation of spin magnetization in response to an applied electric field. Recent theoretical advances have reignited interest in its nonlinear…

Mesoscale and Nanoscale Physics · Physics 2025-08-01 Jinxiong Jia , Longjun Xiang , Zhenhua Qiao , Jian Wang

We report the observation of a new phenomenon of colossal magnetoresistance in a 40 nm wide GaAs quantum well in the presence of an external magnetic field applied parallel to the high-mobility 2D electron layer. In a strong magnetic field,…

Strongly Correlated Electrons · Physics 2015-03-13 Xiaoqing Zhou , B. A. Piot , M. Bonin , L. W. Engel , S. Das Sarma , G. Gervais , L. N. Pfeiffer , K. W. West

In recent years, particular physical phenomena enabled by non-Hermitian metamaterial systems have attracted significant research interests. In this paper, a non-Hermitian three-dimensional metamaterial near the exceptional point (EP) is…

Applied Physics · Physics 2024-01-24 Yanjie Wu , Ding Zhang , Qiuyu Li , Hai Lin , Xintong Shi , Jie Xiong , Haoquan Hu , Jing Tian , Bian Wu , Y. Liu

Nine years ago, superconductors based on the magnetic element iron were discovered. A flurry of research activity has revealed an unprecedented diversity of chemical structures and physical properties. Similarly to other unconventional…

Superconductivity · Physics 2017-11-17 Anna Böhmer , Andreas Kreyssig

Ballistic spin polarized transport through diluted magnetic semiconductor (DMS) single and double barrier structures is investigated theoretically using a two-component model. The tunneling magnetoresistance (TMR) of the system exhibits…

Condensed Matter · Physics 2009-11-07 Kai Chang , J. B. Xia , F. M. Peeters

A wide class of materials acquires magnetic properties due to particle interactions through exchange forces. These can be atoms and molecules composing the system itself, as in the case of numerous magnetic substances. Or these could be…

Mesoscale and Nanoscale Physics · Physics 2015-07-17 V. I. Yukalov , E. P. Yukalova

Engineering devices with a large electrical response to magnetic field is of fundamental importance for a range of applications such as magnetic field sensing and magnetic read-heads. We show that a colossal non-saturating linear…

Mesoscale and Nanoscale Physics · Physics 2012-08-28 M. A. Aamir , Srijit Goswami , Matthias Baenninger , Vikram Tripathi , Michael Pepper , Ian Farrer , David A. Ritchie , Arindam Ghosh

Complexity in materials often arises from competing interactions at the atomic length scale. One such example are the strongly correlated heavy-fermion materials where the competition between Kondo screening and antiferromagnetic ordering…

Strongly Correlated Electrons · Physics 2015-05-18 Jeremy Figgins , Dirk K. Morr

The electronic properties of many transition metal oxide systems require new ideas concerning the behaviour of electrons in solids for their explanation. A recent example, subsequent to that of cuprate superconductors, is of rare earth…

Strongly Correlated Electrons · Physics 2007-05-23 T. V. Ramakrishnan , H. R. Krishnamurthy , S. R. Hassan , G. Venketeswara Pai

We review various aspects of magnetoresistance in (quasi-)twodimensional systems subject to an in-plane magnetic field. Concentrating on single-particle effects, three mechanisms leading to magnetoresistance are discussed: the orbital…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Julia S. Meyer , Vladimir I. Fal'ko , B. L. Altshuler

A central puzzle in strongly correlated electronic phases is strange metallic transport, marked by $T$-linear resistivity and $B$-linear magnetoresistance, in sharp contrast with quadratic scalings observed in conventional metals. Here, we…

Strongly Correlated Electrons · Physics 2026-05-08 Jaewon Kim , Shubhayu Chatterjee

Recent $\mu$SR measurements revealed remarkable signatures of spontaneous magnetism coexisting with superconductivity in elemental rhenium. Here we provide a quantitative theory that uncovers the nature of the superconducting instability by…

Superconductivity · Physics 2023-10-12 Gábor Csire , James Annett , Jorge Quintanilla , Balázs Újfalussy

Superconductivity and magnetism are generally incompatible because of the opposing requirement on electron spin alignment. When combined, they produce a multitude of fascinating phenomena, including unconventional superconductivity and…

Recently, the extremely large magnetoresistance observed in transition metal telluride, like WTe$_2$, attracted much attention because of the potential applications in magnetic sensor. Here we report the observation of extremely large…

High-temperature superconductivity in the iron-based materials emerges from, or sometimes coexists with, their metallic or insulating parent compound states. This is surprising since these undoped states display dramatically different…

Superconductivity · Physics 2012-10-05 Pengcheng Dai , Jiangping Hu , Elbio Dagotto

We report experimental observations of a novel magnetoresistance (MR) behavior of two-dimensional electron systems in perpendicular magnetic field in the ballistic regime, for k_BT\tau/\hbar>1. The MR grows with field and exhibits a maximum…

Disordered Systems and Neural Networks · Physics 2013-01-07 A. Yu. Kuntsevich , G. M. Minkov , A. A. Sherstobitov , V. M. Pudalov

We consider the electronic transport in bounded semiconductors in the presence of an external magnetic field. Taking into account appropriate boundary conditions for the current density at the contacts, a change in the magnetoresistance of…

Condensed Matter · Physics 2009-10-28 G. Gonzalez de la Cruz , Yu. G. Gurevich , V. V. Prosentsov

The emergent inductor, which is a concept of an inductor employing quantum mechanics on helical magnets, has been studied actively from both theoretical and experimental aspects. Interestingly, finite inductance has been observed not only…

Strongly Correlated Electrons · Physics 2025-05-21 Takahiro Anan , Takahiro Morimoto

We summarize the existing experimental data on electromagnons in multiferroic RMn2O5 compounds, where R denotes a rare earth ion, Y or Bi, and discuss a realistic microscopic model of these materials based on assumption that the microscopic…

Materials Science · Physics 2009-11-13 A. B. Sushkov , M. Mostovoy , R. Valdes Aguilar , S. -W. Cheong , H. D. Drew

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
‹ Prev 1 4 5 6 7 8 10 Next ›