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We investigate the spin Hall magnetoresistance (SMR) at room temperature in thin film heterostructures of antiferromagnetic, insulating, (0001)-oriented alpha-Fe2O3 (hematite) and Pt. We measure their longitudinal and transverse…

Recent advances in increasing the spectroscopic energy resolution in scanning tunneling microscopy (STM) have been achieved by integrating electron spin resonance (ESR) with STM. Here, we demonstrate the design and performance of a…

Using a multi-conduction-channel model, we redefined the micromechanism of spin Hall magnetoresistance (SMR). Four conduction channels are created by spin accumulation of nonpolarized electron flow at top, bottom, left and right interfaces…

Materials Science · Physics 2015-02-17 Yan-Qing Zhang , Hua-Rui Fu , Niu-Yi Sun , Wen-Ru Che , Ding Ding , Juan Qin , Cai-Yin You , Zhen-Gang Zhu , Rong Shan

The hole-doped NdNiO$_2$ layer deposited on the SrTiO$_{3}$ surface exhibits unconventional superconductivity. Here, we present a systematic study of the electronic and magnetic properties of the NdNiO$_2$ superconductor using the density…

Materials Science · Physics 2025-12-24 Sajid Sekh , Andrzej Ptok , Wojciech Brzezicki , Przemysław Piekarz , Andrzej M. Oleś

We investigate the observation of negative spin Hall magnetoresistance (SMR) in antiferromagnetic Cr2O3/Ta bilayers at low temperature. The sign of the SMR signals is changed from positive to negative monotonously from 300 K to 50 K. The…

Materials Science · Physics 2018-06-12 Y. Ji , J. Miao , Y. M. Zhu , K. K. Meng , X. G. Xu , J. K. Chen , Y. Wu , Y. Jiang

Magnetic nanostructures on non-magnetic or magnetic substrates have attracted strong attention due to the development of new experimental methods with atomic resolution. Motivated by this progress we have extended the full-potential…

Materials Science · Physics 2016-08-31 S. Lounis , Ph. Mavropoulos , P. H. Dederichs , S. Blügel

The nuclear magnetic resonance (NMR) with the site-dependent shift, at low temperatures is examined for a massless Dirac electrons in the organic conductor, alpha-(BEDT-TTF)_2I_3, where the sites of the four molecules in the unit cell are…

Materials Science · Physics 2018-06-19 Yoshikazu Suzumura

We present a systematic study of the electronic and magnetic properties of transition-metal (TM) atomic chains adsorbed on the zigzag single-wall carbon nanotubes (SWNTs). We considered the adsorption on the external and internal wall of…

Other Condensed Matter · Physics 2009-11-11 Engin Durgun , Salim Ciraci

The main contribution of this paper is to study the spin caloritronic effects in defected graphene/silicene nanoribbon (GSNR) junctions. Each step-like GSNR is subjected to the ferromagnetic exchange and local external electric fields, and…

Mesoscale and Nanoscale Physics · Physics 2021-07-29 Zainab Gholami , Farhad Khoeini

The nucleon spin-orbit interaction is a cornerstone of nuclear structure theory, yet its isospin dependence remains insufficiently constrained within modern nuclear energy density functional (EDF) theory. It was recently shown that, within…

Nuclear Theory · Physics 2026-05-26 Tong-Gang Yue , Zhen Zhang , Lie-Wen Chen

We develop a high-throughput method for measuring the composition dependence of magnetoresistance (MR) and spin-transfer-torque (STT) effects in current-perpendicular-to-plane giant magnetoresistance (CPP-GMR) devices and report its…

Materials Science · Physics 2024-06-12 Vineet Barwal , Hirofumi Suto , Tomohiro Taniguchi , Yuya Sakuraba

A surface-adsorbed molecule is contacted with the tip of a scanning tunneling microscope (STM) at a pre-defined atom. On tip retraction, the molecule is peeled off the surface. During this experiment, a two-dimensional differential…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 C. Toher , R. Temirov , A. Greuling , F. Pump , M. Kaczmarski , M. Rohlfing , G. Cuniberti , F. S. Tautz

A magnetoresistance (MR) anomaly at low temperatures has been observed in a variety of systems, ranging from low-dimensional chalcogenides to spin and charge density wave (SDW/CDW) metals and, most recently, topological semimetals. In some…

Materials Science · Physics 2025-04-10 Yejun Feng , Yishu Wang , T. F. Rosenbaum , P. B. Littlewood , Hua Chen

We calculate the non-linear tunneling current through a molecule with two electron-accepting orbitals which interact with an intramolecular vibration. We investigate the interplay between Coulomb blockade and non-equilibrium…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Katja C. Nowack , Maarten R. Wegewijs

Spin-torque driven ferromagnetic resonance (ST-FMR) is used to study thin Co/Ni synthetic layers with perpendicular anisotropy confined in spin-valve based nanojunctions. Field swept ST-FMR measurements were conducted with a magnetic field…

Mesoscale and Nanoscale Physics · Physics 2008-01-07 W. Chen , J-M. L. Beaujour , G. de Loubens , A. D. Kent , J. Z. Sun

We investigate the magneto-transport characteristics of nanospintronics single-electron devices. The devices consist of single non-magnetic nano-objects (nanometer size nanoparticles of Al or Cu) connected to Co ferromagnetic leads. The…

Mesoscale and Nanoscale Physics · Physics 2013-01-18 A. Bernand-Mantel , P. Seneor , K. Bouzehouane , S. Fusil , C. Deranlot , F. Petroff , A. Fert

New experiments designed to discover a weakly interacting dark matter (DM) particle via spin dependent scattering can distinguish models of electroweak symmetry breaking. The plane of spin dependent versus spin independent DM scattering…

High Energy Physics - Phenomenology · Physics 2008-11-26 Vernon Barger , Wai-Yee Keung , Gabe Shaughnessy

Experimental results for sequential transport through a lateral quantum dot in the regime of spin blockade induced by spin dependent tunneling are compared with theoretical results obtained by solving a master equation for independent…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. C. Rogge , F. Cavaliere , M. Sassetti , R. J. Haug , B. Kramer

The structural and magnetic anomaly of the layered compound SrFeO$_{2}$ were examined by first principles density functional calculations and Monte Carlo simulations. The down-spin Fe 3$d$ electron occupies the $d_{z^2}$ level rather than…

Materials Science · Physics 2008-04-25 H. J. Xiang , Su-Huai Wei , M. -H. Whangbo

The low temperature behavior of densely packed interacting spherical single domain nanoparticles (MNP) is investigated by Monte Carlo simulations in the framework of an effective one spin model. The particles are distributed through a hard…

Materials Science · Physics 2019-11-28 V. Russier
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