Ferromagnetic resonance in Ga1− xMnxAs dilute magnetic semiconductors

X Liu, JK Furdyna - Journal of Physics: Condensed Matter, 2006 - iopscience.iop.org
We review the phenomenon of ferromagnetic resonance (FMR) in ferromagnetic (FM) Ga 1−
x Mn x As semiconductor alloys and their heterostructures in thin film form. We will show that …

Disorder effects in diluted magnetic semiconductors

C Timm - Journal of Physics: Condensed Matter, 2003 - iopscience.iop.org
In recent years, disorder has been shown to be crucial for the understanding of diluted
magnetic semiconductors. Effects of disorder in these materials are reviewed with the …

Valley polarization in magnetically doped single-layer transition-metal dichalcogenides

YC Cheng, QY Zhang, U Schwingenschlögl - Physical Review B, 2014 - APS
We demonstrate that valley polarization can be induced and controlled in semiconducting
single-layer transition-metal dichalcogenides by magnetic doping, which is important for …

Long-range ferromagnetic ordering in manganese-doped two-dimensional dichalcogenides

R Mishra, W Zhou, SJ Pennycook, ST Pantelides… - Physical Review B …, 2013 - APS
We report an investigation of long-range ferromagnetic (FM) ordering in Mn-doped MoS 2,
MoSe 2, MoTe 2, and WS 2 for Mn concentration less than 5% using density functional …

Half-metallic ferromagnetism: Example of CrO2

JMD Coey, M Venkatesan - Journal of Applied Physics, 2002 - pubs.aip.org
A broad classification scheme is proposed for half-metallic ferromagnets which embraces
the possibilities of itinerant and localized electrons, as well as semimetallic and …

Magnetic properties and diffusion of adatoms on a graphene sheet

PO Lehtinen, AS Foster, A Ayuela, A Krasheninnikov… - Physical review …, 2003 - APS
We use ab initio methods to calculate the properties of adatom defects on a graphite surface.
By applying a full spin-polarized description to the system we demonstrate that these defects …

Exchange interactions in III-V and group-IV diluted magnetic semiconductors

J Kudrnovský, I Turek, V Drchal, F Máca, P Weinberger… - Physical review B, 2004 - APS
Effective pair exchange interactions between Mn atoms in III-V and group-IV diluted
magnetic semiconductors are determined from a two-step first-principles procedure. In the …

Magnetic interactions in transition-metal-doped ZnO: An ab initio study

P Gopal, NA Spaldin - Physical Review B—Condensed Matter and Materials …, 2006 - APS
We calculate the nature of magnetic interactions in transition-metal doped ZnO using the
local spin density approximation and (LSDA) the LSDA+ U (Coulomb interaction) method of …

Temperature-dependent magnetization in diluted magnetic semiconductors

SD Sarma, EH Hwang, A Kaminski - Physical Review B, 2003 - APS
We calculate magnetization in magnetically doped semiconductors assuming a local
exchange model of carrier-mediated ferromagnetic mechanism and using a number of …

Magnetism in polycrystalline cobalt-substituted zinc oxide

AS Risbud, NA Spaldin, ZQ Chen, S Stemmer… - Physical Review B, 2003 - APS
We present results of the preparation (by precursor decomposition), characterization (with x-
ray diffraction, transmission electron microscopy, and dc magnetization measurements), and …