Effects of strontium substitution on structural, electrical and magnetic properties of polycrystalline and nanocrystalline La₀.₆₇(Ca₁₋χSrχ)₀.₃₃MnO₃ by Chang, Sen Choung

“…The temperature dependences of resistivity and magnetoresistance (MR) were measured by the four point probe method at variable magnetic field range of 0 T - 1 T for both polycrystalline and nanocrystalline samples. …”
Get full text

Neuromorphic Spiking Sensory System With Self-X Capabilities by Hamam Abd, Qummar Zaman, Senan Alraho, Andreas Konig

“…A final angular decoder system application with Tunnel Magnetoresistance (TMR) sensors revealed our spiking sensory front-end’s ability to reduce the angle measurement error from 24.95 to 12.72 degrees due to adaptation after system perturbation.…”
Get full text

Controlled Epitaxial Growth and Atomically Sharp Interface of Graphene/Ferromagnetic Heterostructure via Ambient Pressure Chemical Vapor Deposition by Ruinan Wu, Yueguo Hu, Peisen Li, Junping Peng, Jiafei Hu, Ming Yang, Dixiang Chen, Yanrui Guo, Qi Zhang, Xiangnan Xie, Jiayu Dai, Weicheng Qiu, Guang Wang, Mengchun Pan

“…The strong spin filtering effect can be produced by C-Ni atomic orbital hybridization in lattice-matched graphene/Ni (111) heterostructures, which provides an ideal platform to improve the tunnel magnetoresistance (TMR) of magnetic tunnel junctions (MTJs). …”
Get full text

Halogenated-edge polymeric semiconductor for efficient spin transport by Xueli Yang, Ankang Guo, Jie Yang, Jinyang Chen, Ke Meng, Shunhua Hu, Ran Duan, Mingliang Zhu, Wenkang Shi, Yang Qin, Rui Zhang, Haijun Yang, Jikun Li, Lidan Guo, Xiangnan Sun, Yunqi Liu, Yunlong Guo

“…The enhanced carrier mobility with an undiminished spin lifetime contributes to a 3.7-fold increase in spin diffusion length and a record-high magnetoresistance of 8.7% at room temperature. By analyzing the spin-orbit coupling and hyperfine interaction, it was found that the distance of the substitution site from the conjugated center and the nitrogen atoms in the molecules play crucial roles in spin relaxation. …”
Get full text

High-throughput evaluation of half-metallicity of Co2MnSi Heusler alloys using composition-spread films and spin-integrated hard X-ray photoelectron spectroscopy by Ryo Toyama, Shunsuke Tsuda, Yuma Iwasaki, Thang Dinh Phan, Susumu Yamamoto, Hiroyuki Yamane, Koichiro Yaji, Yuya Sakuraba

“…Moreover, the anisotropic magnetoresistance (AMR) of the composition-spread film is measured for electric current directions along the [110] and [100] of Co2MnSi. …”
Get full text

Magnetostrictive GMR spin valves with composite FeGa/FeCo free layers by Luping Liu, Qingfeng Zhan, Huali Yang, Huihui Li, Shuanglan Zhang, Yiwei Liu, Baomin Wang, Xiaohua Tan, Run-Wei Li

“…We have fabricated strain-sensitive spin valves on flexible substrates by utilizing the large magnetostrictive FeGa alloy to promote the strain sensitivity and the composite free layer of FeGa/FeCo to avoid the drastic reduction of giant magnetoresistance (GMR) ratio. This kind of spin valve (SV-FeGa/FeCo) displays a MR ratio about 5.9%, which is comparable to that of the conventional spin valve (SV-FeCo) with a single FeCo free layer. …”
Get full text

High valley-degeneracy electron gas at double perovskite - strontium titanate interface by Zhao-Cai Wang, Lei Chen, Weiyao Zhao, Shuang-Shuang Li, Ying Zhang, Jing-Shi Ying, Shu-Juan Zhang, Fu-Sheng Luo, Ting-Wei Chen, Mao Ye, Lang Chen, Dan-Feng Li, David Cortie, Julie Karel, Kirrily Rule, Xiaolin Wang, Ji-Yan Dai, Ren-Kui Zheng

“…This, together with the magnetic hysteresis loops and negative magnetoresistance in low-field region, suggests possible spin polarization of itinerant electrons. …”
Get full text

Fermi Surface Structure and Isotropic Stability of Fulde-Ferrell-Larkin-Ovchinnikov Phase in Layered Organic Superconductor <i>β</i>″-(BEDT-TTF)₂SF₅CH<sub>2</... by Shiori Sugiura, Hiroki Akutsu, Yasuhiro Nakazawa, Taichi Terashima, Syuma Yasuzuka, John A. Schlueter, Shinya Uji

“…The Fermi surface structure of a layered organic superconductor <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>β</mi></semantics></math></inline-formula><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>″</mo></mrow></msup></semantics></math></inline-formula>-(BEDT-TTF)<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>SF<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>5</mn></msub></semantics></math></inline-formula>CH<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>CF<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>SO<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula> was determined by angular-dependent magnetoresistance oscillations measurements and band-structure calculations. …”
Get full text

Magnetocapacidad en nanopartículas de Fe₃O₄ y NiFe₂O₄ by Mira, J., Rivas, J., Señarís-Rodríguez, M. A., Castro-García, S., Yáñez-Vilar, S., Sánchez-Andújar, M.

“…These MC values, that are higher than those reported in the literature for other related magnetic nanoparticles, corroborate the theoretical model proposed by Catalán in which the combination of Maxwell-Wagner effects and magnetoresistance promote the appearance of stronger magnetocapacitive effects.…”
Get full text

Multifunctional magnetic oxide-MoS₂ heterostructures on silicon by Yang, Allen Jian, Wu, Liang, Liu, Yanran, Zhang, Xinyu, Han, Kun, Huang, Ying, Li, Shengyao, Loh, Xian Jun, Zhu, Qiang, Su, Rui, Nan, Ce-Wen, Wang, Renshaw Xiao

“…In addition, the colossal magnetoresistance of LSMO endows the LSMO-MoS2 heterostructures with an electrically tunable magnetoresponse at room temperature. …”
Get full text

Peculiar Physics of Heavy-Fermion Metals: Theory versus Experiment by Vasily R. Shaginyan, Alfred Z. Msezane, George S. Japaridze

“…Based on the theory, we explain a number of experimental data and show that the considered HF metals exhibit peculiar properties such as: (1) the universal <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>T</mi><mo>/</mo><mi>B</mi></mrow></semantics></math></inline-formula> scaling behavior; (2) the linear dependence of the resistivity on <i>T</i>, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>ρ</mi><mrow><mo>(</mo><mi>T</mi><mo>)</mo></mrow><mo>∝</mo><msub><mi>A</mi><mn>1</mn></msub><mi>T</mi></mrow></semantics></math></inline-formula> (with <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>A</mi><mn>1</mn></msub></semantics></math></inline-formula> is a temperature-independent coefficient), and the negative magnetoresistance; (3) asymmetrical dependence of the tunneling differential conductivity (resistivity) on the bias voltage; (4) in the case of a flat band, the superconducting critical temperature <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>T</mi><mi>c</mi></msub><mo>∝</mo><mi>g</mi></mrow></semantics></math></inline-formula> with <i>g</i> being the coupling constant, while the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>M</mi><mo>*</mo></msup></semantics></math></inline-formula> becomes finite; (5) we show that the so called Planckian limit exhibited by HF metals with <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>ρ</mi><mo>(</mo><mi>T</mi><mo>)</mo><mo>∝</mo><mi>T</mi></mrow></semantics></math></inline-formula> is defined by the presence of flat bands.…”
Get full text

Modulation of Weyl semimetal state in half-Heusler GdPtBi enabled by hydrostatic pressure by Junli Zhang, Lei Jin, Jie Chen, Chenhui Zhang, Peng Li, Ye Yuan, Yan Wen, Qiang Zhang, Xiaoming Zhang, Enke Liu, Wenhong Wang, Xixiang Zhang

“…Through measurements of the temperature-dependent resistivity and magnetoresistance (MR), a phase transition from a Weyl semimetal to a semiconductor state was identified at about 2.0 GPa upon increasing the hydrostatic pressure. …”
Get full text

Anomalous Hall effect and two-dimensional Fermi surfaces in the charge-density-wave state of kagome metal RbV3Sb5 by Lingfei Wang, Wei Zhang, Zheyu Wang, Tsz Fung Poon, Wenyan Wang, Chun Wai Tsang, Jianyu Xie, Xuefeng Zhou, Yusheng Zhao, Shanmin Wang, Kwing To Lai, Swee K Goh

“…The magnitude of the anomalous Hall resistivity in the low temperature limit is comparable to the reported values in KV _3 Sb _5 and CsV _3 Sb _5 . The magnetoresistance channel further reveals a rich spectrum of quantum oscillation frequencies, many of which have not been reported before. …”
Get full text

Europium oxide as a perfect electron spin filter by Santos, Tiffany S. (Tiffany Suzanne), 1980-

Get full text
Get full text

Investigations on control of domain wall motion using synthetically textured magnetic nanostructures by Jin, Tianli

“…We performed wide-field magneto-optical Kerr effect (MOKE) and magnetoresistance measurements to evaluate the pinning field about 100 Oe. …”
Get full text
Get full text

Response surface and neuro fuzzy methodology for rotating magnetic field and GMR array sensor for crack detection in ferromagnetic pipe by Damhuji, Rifai

“…An array of Giant Magnetoresistance (GMR) sensors are used to measure the induced fields. …”
Get full text

Non‐Fermi‐Liquid Behavior of Superconducting SnH4 by Ivan A. Troyan, Dmitrii V. Semenok, Anna G. Ivanova, Andrey V. Sadakov, Di Zhou, Alexander G. Kvashnin, Ivan A. Kruglov, Oleg A. Sobolevskiy, Marianna V. Lyubutina, Dmitry S. Perekalin, Toni Helm, Stanley W. Tozer, Maxim Bykov, Alexander F. Goncharov, Vladimir M. Pudalov, Igor S. Lyubutin

“…SnH4 has unusual behavior in strong magnetic fields: B,T‐linear dependences of magnetoresistance and the upper critical magnetic field BC2(T) ∝ (TC – T). …”
Get full text

Microstructuring YbRh2Si2 for resistance and noise measurements down to ultra-low temperatures by Alexander Steppke, Sandra Hamann, Markus König, Andrew P Mackenzie, Kristin Kliemt, Cornelius Krellner, Marvin Kopp, Martin Lonsky, Jens Müller, Lev V Levitin, John Saunders, Manuel Brando

“…In five experiments we show four-terminal sensing resistance and magnetoresistance measurements which exhibit sharp phase transitions at the Néel temperature, and Shubnikov–de-Haas (SdH) oscillations between 13 T and 18 T where we identified a new SdH frequency of 0.39 kT. …”
Get full text

A Review of Synthesis and Novel Transport Properties of Multivalent Manganate Perovskite: Progress, Opportunities, and Challenges by Shouhua Feng, Yaowen Zhang, Hongwei Hou, Chunxia Wen, Xuanchen Dong, Wenshu Shi, Ruike Lv, Meichun Fu, Junwei Liu, Jiajun Lu, Longhui Duan, Mei Han, Beining Zheng, Lu Gao

“…The microscopic modulation of manganese ions electron states in rare earth manganate perovskites is the root of many novel macroscopic quantum behaviors, such as giant magnetoresistance phenomenon. For ABO3 type perovskites, the differences of radii and valence states of A‐site ions are used to regulate the coexistence of B site manganese multivalent states (Mn3+, Mn4+, Mn5+), and its ordered structure in the metastable state will create a new combination of electronic states. …”
Get full text

Domain wall memory: physics, materials, and devices by Kumar, Durgesh, Jin, Tianli, Sbiaa, Rachid, Kläui, Mathias, Bedanta, Subhankar, Fukami, Shunsuke, Ravelosona, Dafine, Yang, See-Hun, Liu, Xiaoxi, Piramanayagam, S. N.

“…The information can be read using tunneling magnetoresistance. The domains may be stored along the tracks using artificial pinning potentials. …”
Get full text