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We present the results of a systematic study of thin-films of amorphous indium-oxide near the superconductor-insulator transition. We show that the film's resistivity follows a simple, well-defined, power-law dependence on the perpendicular…

Superconductivity · Physics 2009-11-10 G. Sambandamurthy , A. Johansson , E. Peled , D. Shahar , P. G. Bjornsson , K. A. Moler

We investigate the magnetization dynamics through the magnetoimpedance effect in ferromagnetic NiFe/Cu/Co films. We observe that the magnetoimpedance response is dependent on the thickness of the non-magnetic Cu spacer material, a fact…

Materials Science · Physics 2015-06-22 E. F. Silva , M. Gamino , A. M. H. de Andrade , M. A. Corrêa , M. Vázquez , F. Bohn

The magnetic properties of thin-film Pd/Fe/Pd trilayers in which an embedded ~1.5 A-thick ultrathin layer of Fe induces ferromagnetism in the surrounding Pd have been investigated. The thickness of the ferromagnetic trilayer is controlled…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 R. K. Das , R. Misra , S. Tongay , R. Rairigh , A. F. Hebard

We present a unified interpretation of experimentally observed magnetic circular dichroism (MCD) in the ferromagnetic semiconductor (Ga,Mn)As, based on theoretical arguments, which demonstrates that MCD in this material arises primarily…

We consider various methods and techniques for measuring electron magnetization and susceptibility, which are used in experimental condensed matter physics. The list of considered methods for macroscopic measurements includes…

Materials Science · Physics 2023-02-20 V. M. Pudalov

We investigate to what extent the magnetic properties of deposited nanostructures can be influenced by selecting as a support different surfaces of the same substrate material. Fully relativistic ab initio calculations were performed for Co…

Materials Science · Physics 2015-06-15 Ondrej Sipr , Sven Bornemann , Hubert Ebert , Sergey Mankovsky , Jiri Vackar , Jan Minar

We present the experimental observation of magnetic field line curvature at the surface of a superconducting film by local quantitative magneto-optics. In addition to the knowledge of the full induction field at the superconductor surface…

Superconductivity · Physics 2009-11-07 F. Laviano , D. Botta , A. Chiodoni , R. Gerbaldo , G. Ghigo , L. Gozzelino , E. Mezzetti , .

The development of permanent magnets containing less or no rare-earth elements is linked to profound knowledge of the coercivity mechanism. Prerequisites for a promising permanent magnet material are a high spontaneous magnetization and a…

Very short quantum wires (quantum contacts) exhibit a conductance structure at the value of conductance close to 0.7 x 2e^2/h. The structure was discovered by Thomas et al (Phys. Rev. Lett. {\bf 77}, 135 (1996)). Dependence of the structure…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 O. P. Sushkov

The working of a resistive plate chamber depends on the electric field applied inside the gas gap. The strength of this electric field inside the gas gap depends on parameters like electrode thickness, permittivity, gas gap, among others.…

Instrumentation and Detectors · Physics 2022-05-03 Tanay Dey , Supratik Mukhopadhyay , Subhasis Chattopadhyay

It is shown that external magnetic field or magnetization induces electric polarization of microscopic isolated magnetic/non-magnetic hybrid structures due to the spin-dependent electron redistribution and mutual capacity. The…

Mesoscale and Nanoscale Physics · Physics 2015-04-15 P. V. Pyshkin , A. V. Yanovsky

The BCS picture of superconductivity describes pairing between electrons originating from a single band. A generalization of this picture occurs in multi-band superconductors, where electrons from two or more bands contribute to…

Superconductivity · Physics 2020-06-23 Yilikal Ayino , Jin Yue , Tianqi Wang , Bharat Jalan , Vlad S. Pribiag

The continual model of the nonuniform magnetism in thin films and wires of a diluted magnetic semiconductor is considered with taking into account the finite spin polarization of carriers responsible for the indirect interaction of magnetic…

Materials Science · Physics 2015-05-13 E. Z. Meilikhov , R. M. Farzetdinova

A study of dynamic and reversible voltage controlled magnetization switching in ferromagnetic Co/Pt thin film with perpendicular magnetic anisotropy at room temperature is presented. The change in the magnetic properties of the system is…

Some of the synthesis methods and physical properties of iron-oxide based magnetic nanoparticles such as Fe3-xO4 and CoxFe3-xO4 are reviewed because of their interest in health, environmental applications, and ultra-high-density magnetic…

We have proposed a fully quantum approach to non-perturbatively calculate the spin-split Landau levels and g-factor of various spin-orbit coupled solids, based on the k.p theory in the matrix mechanics representation. The new method…

Mesoscale and Nanoscale Physics · Physics 2019-10-16 Yuki Izaki , Yuki Fuseya

Current and field profiles, and magnetization and AC losses are calculated for an array of infinitely long superconducting tapes arranged vertically in a perpendicularly applied magnetic field. Calculations are based on the critical state…

Superconductivity · Physics 2007-05-23 Alvaro Sanchez , Carles Navau , Enric Pardo

The biaxial magnetic-field setup for angular magnetic measurements of thin film and spintronic devices is designed and presented. The setup allows for application of the in-plane magnetic field using a quadrupole electromagnet, controlled…

Applied Physics · Physics 2019-03-22 Piotr Rzeszut , Witold Skowroński , Sławomir Ziętek , Piotr Ogrodnik , Tomasz Stobiecki

To search for a conceptual picture describing the magnetization plateau phenomenon, we surveyed the crystal structures and the spin lattices of those magnets exhibiting plateaus in their magnetization vs. magnetic field curves by probing…

Materials Science · Physics 2024-10-24 Myung-Hwan Whangbo , Hyun-Joo Koo , Reinhard K. Kremer , Alexander N. Vasiliev

We investigate theoretically the effect of an external magnetic field on polarization patterns appearing in quantum microcavities due to the optical spin Hall effect (OSHE). We show that increase of the magnetic field perpendicular to the…

Mesoscale and Nanoscale Physics · Physics 2013-08-09 S. Morina , T. C. H. Liew , I. A. Shelykh