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相关论文: Engineering magnetoresistance: A new perspective

200 篇论文

In this work we investigate the transport properties of non-relativistic quantum particles on incommensurate multilayered structures with the thicknesses $w_n$ of the layers following an extended Harper model given by $w_n = w_0 |\cos(\pi a…

介观与纳米尺度物理 · 物理学 2024-05-07 João Chakrian , Marcelo L. Lyra , Jonas R. F. Lima

We experimentally demonstrate a weak measurement and measurement reversal-based scheme to ameliorate the effects of decoherence due to amplitude damping, on an NMR quantum processor. The weak measurement and measurement reversal processes…

量子物理 · 物理学 2024-09-20 Gayatri Singh , Akshay Gaikwad , Arvind , Kavita Dorai

The magnetoresistance (MR) effect is widely employed in technologies that pervade our world from magnetic reading heads to sensors. Diverse contributions to MR, such as anisotropic, giant, tunnel, colossal, and spin-Hall, are revealed in…

Anisotropic magnetoresistance (AMR) has a crucial feature for developing highly sensitive sensors and innovative memory devices. While extensively studied in bulk materials, AMR effects in these materials are typically weak. Recent…

介观与纳米尺度物理 · 物理学 2025-10-02 W. S. Hou , M. Q. Dong , X. ZHang , Zhi-Xin Guo

We predict unidirectional magnetoresistance effects arising in a bilayer composed of a nonmagnetic metal and a ferromagnetic insulator, whereby both longitudinal and transverse resistances vary when the direction of the applied electric…

介观与纳米尺度物理 · 物理学 2025-03-10 M. Mehraeen , Pengtao Shen , Steven S. -L. Zhang

This paper proposes a new model for Giant Magnetoresistance (GMR) and calculates its typical graph qualitatively. The model foundation is the microscopic mechanism in GMR, where the GMR effect can be explained by intrinsic and extrinsic…

材料科学 · 物理学 2013-09-09 Christian Naa , Suprijadi , Sparisoma Viridi , Mitra Djamal

The giant magnetoresistance (GMR) effect has been widely investigated on electrodeposited ferromagnetic/non-magnetic (FM/NM) multilayers generally containing a large number of bilayers. In most applications of the GMR effect, layered…

材料科学 · 物理学 2016-08-16 B. G. Tóth , L. Péter , I. Bakonyi

We report measurements of the magnetoresistance (MR) of narrow Au wires coupled to a superconducting Al contact on one end, and a normal Au contact on the other. The MR at low magnetic field $B$ is quadratic in $B$, with a characteristic…

介观与纳米尺度物理 · 物理学 2009-11-07 D. A. Dikin , M. J. Black , V. Chandrasekhar

The ordinary magnetoresistance (MR) of doped semiconductors is positive and quadratic in a low magnetic field, B, as it should be in the framework of the Boltzmann kinetic theory or in the conventional hopping regime. We observe an unusual…

超导电性 · 物理学 2015-06-04 Y. Kopelevich , R. R. da Silva , A. S. Alexandrov

Altermagnetic materials combine compensated magnetic order with momentum-dependent spin splitting, offering a fundamentally new route for spintronic functionality beyond conventional ferromagnets and antiferromagnets. While most studies…

材料科学 · 物理学 2026-01-13 J. W. González , T. Brumme , E. Suárez Morell , A. M. León

It is known that a quantum system with finite degrees of freedom can simulate a composite of a system and an environment if the state of the hypothetical environment is randomized by external manipulation. We show theoretically that any…

The angle-dependences of the magnetoresistance of two different isotopic substitutions (deuterated and undeuterated) of the layered organic superconductor \kappa-(ET)2Cu(NCS)2 are presented. The angle dependent magnetoresistance…

Magnetoresistance is a powerful probe for characterizing the intrinsic physics embedded in materials. Among its various manifestations, linear magnetoresistance has a long history and continues attracting research interest. In contemporary…

介观与纳米尺度物理 · 物理学 2026-02-23 Shuai Li , Huichao Wang

Unidirectional magnetoresistance (UMR) in a ferromagnetic bilayer due to the spin Hall effects (SHEs) provides a facile means of probing in-plane magnetization to avoid complex magnetic tunnel junctions. However, the UMR signal is very weak…

介观与纳米尺度物理 · 物理学 2022-09-01 Kaihua Lou , Qianwen Zhao , Baiqing Jiang , Chong Bi

We present a study of the in-plane and out-of-plane magnetoresistance (MR) in heavily-underdoped, antiferromagnetic YBa_{2}Cu_{3}O_{6+x}, which reveals a variety of striking features. The in-plane MR demonstrates a "d-wave"-like anisotropy…

超导电性 · 物理学 2009-10-31 Yoichi Ando , A. N. Lavrov , Kouji Segawa

Antiferromagnets are emerging as promising alternatives to ferromagnets in spintronics applications. A key feature of antiferromagnets is their anisotropic magnetoresistance (AMR), which has the potential to serve as a sensitive marker for…

The interlayer magnetoresistance of layered metals in a tilted magnetic field is calculated for two distinct models for the interlayer transport. The first model involves coherent interlayer transport and makes use of results of…

强关联电子 · 物理学 2009-10-31 Perez Moses , Ross H. McKenzie

Explicit expressions for magnetoresistance $R$ of planar and layered strongly inhomogeneous two-phase systems are obtained, using exact dual transformation, connecting effective conductivities of in-plane isotropic two-phase systems with…

无序系统与神经网络 · 物理学 2009-11-11 S. A. Bulgadaev , F. V. Kusmartsev

Butterfly magnetoresistance (BMR) and antisymmetric magnetoresistance (ASMR) are about a butterfly-cross curve and a curve with one peak and one valley when a magnetic field is swept up and down along a fixed direction. Other than the…

介观与纳米尺度物理 · 物理学 2022-11-18 H. T. Wu , Tai Min , Z. X. Guo , X. R. Wang

Recently, negative longitudinal and positive in-plane transverse magnetoresistance have been observed in most topological Dirac/Weyl semimetals, and some other topological materials. Here we present a quantum theory of intrinsic…

无序系统与神经网络 · 物理学 2018-08-29 Huan-Wen Wang , Bo Fu , Shun-Qing Shen