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A detailed study of the electronic transport and magnetic properties of Fe$_{1-x}$Cu$_x$Cr$_2$S$_4$ ($x \leq 0.5$) on single crystals is presented. The resistivity is investigated for $2 \leq T \leq 300$ K in magnetic fields up to 14 Tesla…

The magnetotransport properties of an In0.95Mn0.05As thin film grown by metal-organic vapor phase epitaxy were measured. Resistivity was measured over the temperature range of 5 to 300 K. The resistivity decreased with increasing…

Materials Science · Physics 2009-11-10 S. J. May , A. J. Blattner , B. W. Wessels

The phenomena of exchange anisotropy is well known in terms of static magnetization properties such as enhanced coercivity and magnetization loop shifts. These effects are primarily associated with effective anisotropies introduced into the…

Materials Science · Physics 2007-05-23 R. L. Stamps , K. Usadel

It is shown, that the monotonic part of interlayer electronic conductivity strongly decreases in high magnetic field perpendicular to the conducting layers. We consider only the coherent interlayer tunnelling, and the obtained result…

Mesoscale and Nanoscale Physics · Physics 2011-11-11 P. D. Grigoriev

In ferromagnetic nanostructures, the ballistic anisotropic magnetoresistance (BAMR) is a change in the ballistic conductance with the direction of magnetization due to spin-orbit interaction. Very recently, a directional dependent ballistic…

Mesoscale and Nanoscale Physics · Physics 2016-10-10 Ching Hao Chang , Carmine Ortix

The large charge-transfer anisotropy of quasi-one- and quasi-two-dimensional crystalline organic metals means that magnetoresistance is one of the most powerful tools for probing their bandstructure and interesting phase diagrams. Here we…

Strongly Correlated Electrons · Physics 2009-09-29 J. Singleton , R. D. McDonald , N. Harrison

We examine the interplay between anisotropy of the in-plane magnetization and the nodal gap structure on the basis of the approximate analytic solution in the quasiclassical formalism. We show that a four-fold oscillation appears in the…

Superconductivity · Physics 2009-11-10 Hiroaki Kusunose

It has been demonstrated that magnetocrystalline anisotropies in (Ga,Mn)As are sensitive to lattice strains as small as 10^-4 and that strain can be controlled by lattice parameter engineering during growth, through post growth lithography,…

We have measured the magnetoresistance in a series of Ga$_{1-x}$Mn$_x$As samples with 0.033$\le x \le$ 0.053 for three mutually orthogonal orientations of the applied magnetic field. The spontaneous resistivity anisotropy (SRA) in these…

Materials Science · Physics 2009-11-07 David V. Baxter , Dmitry Ruzmetov , Julia Scherschligt , Y. Sasaki , X. Liu , J. K. Furdyna , C. H. Mielke

The capacitance of a parallel plate capacitor can depend on applied magnetic field. Previous studies have identified capacitance changes induced via classical Lorentz force or spin-dependent Zeeman effects. Here we measure a magnetization…

Mesoscale and Nanoscale Physics · Physics 2016-08-08 J. A. Haigh , C. Ciccarelli , A. C. Betz , A. Irvine , V. Novák , T. Jungwirth , J. Wunderlich

Magnetoresistance loops under in-plane applied field were measured on perpendicularly magnetized magnetic tunnel junction (pMTJ) pillars with nominal diameters ranging from 50 to 150 nm. By fitting the hard-axis magnetoresistance loops to…

Mesoscale and Nanoscale Physics · Physics 2016-02-19 A. A. Timopheev , R. Sousa , M. Chshiev , T. Nguyen , B. Dieny

We performed resistance measurements on Fe$_{1+\delta-x}$Cu$_{x}$Te with $x_{EDX}\leq 0.06$ in the presence of in-plane applied magnetic fields, revealing a resistance anisotropy that can be induced at a temperature far below the structural…

Strongly Correlated Electrons · Physics 2017-06-28 Toni Helm , Patrick N. Valdivia , Edith Bourret-Courchesne , James G. Analytis , Robert J. Birgeneau

Earlier a magnetic anisotropy for magnetic impurities nearby the surface of non-magnetic host was proposed in order to explain the size dependence of the Kondo effect in dilute magnetic alloys. Recently Giordano has measured the…

Strongly Correlated Electrons · Physics 2007-05-23 L. Borda , A. Zawadowski

Gunn (or Gunn-Hilsum) Effect and its associated negative differential resistivity (NDR) emanates from transfer of electrons between two different energy bands in a semiconductor. If applying a voltage (electric field) transfers electrons…

Mesoscale and Nanoscale Physics · Physics 2018-05-01 Daryoush Shiri , Amit Verma , Reza Nekovei , Andreas Isacsson , C. R. Selvakumar , M. P. Anantram

The propensity of some materials and multilayers to have a magnetic field dependent resistance, called magnetoresistance, has found commercial applications such as giant magnetoresistance harddisk read heads. But magnetoresistance can also…

Mesoscale and Nanoscale Physics · Physics 2014-12-15 D. P. Leusink , R. G. J. Smits , P. Ngabonziza , X. L. Wang , S. Wiedmann , U. Zeitler , A. Brinkman

We report four probe measurements of the low field magnetoresistance in single core/shell GaAs/MnAs nanowires synthesized by molecular beam epitaxy, demonstrating clear signatures of anisotropic magnetoresistance that track the…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 J. Liang , J. Wang , A. Paul , B. J. Cooley , D. W. Rench , N. S. Dellas , S. E. Mohney , R. Engel-Herbert , N. Samarth

The magnetic and transport properties of La$_{0.5}$Sr$_{0.5}$CoO$_{3-\delta}$ film grown on a LaAlO$_3$ substrate by pulsed-laser deposition are studied. The properties are found to be influenced by a combined influence of the magnetic…

Materials Science · Physics 2009-11-07 B. I. Belevtsev , V. B. Krasovitsky , A. S. Panfilov , I. N. Chukanova

The magneto-impedance (MI) in amorphous ribbon of nominal composition Fe73.5Nb3Cu1Si13.5B9 has been measured at 1MHz and at room temperature for different configurations of exciting a.c and biasing d.c. fields. A large drop in both…

Materials Science · Physics 2011-11-09 B. Kaviraj , S. K. Ghatak

The temperature dependence of magnetic anisotropy in (113)A (Ga,Mn)As layers grown by molecular beam epitaxy is studied by means of superconducting quantum interference device (SQUID) magnetometry as well as by ferromagnetic resonance (FMR)…

The influence of the in-plane anisotropy on the magnetization of a nanogranular film with perpendicular anisotropy has been studied. It is shown that if a magnetic field is tilted with respect to the film normal, a critical transition from…

Mesoscale and Nanoscale Physics · Physics 2015-01-29 M. M. Kulyk , V. M. Kalita , A. F. Lozenko , S. M. Ryabchenko , O. V. Stognei , A. V. Sitnikov