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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/49885
Record Status
Checked
Record Id
49885
Title
Electron localization into magnetic polaron in EuS
Contributors
V G Storchak (Kurchatov)
,
OE Parfenov (Kurchatov)
,
J H Brewer (Univ. British Columbia)
,
PL Russo (Univ. British Columbia)
,
SL Stubbs (Univ. British Columbia)
,
R L Lichti (Texas Tech)
,
D G Eshchenko (PSI)
,
E Morenzoni (PSI)
,
S P Cottrell (ISIS)
,
J S Lord (ISIS)
,
TG Aminov (Moscow)
,
VP Zlomanov (Moscow)
,
AA Vinokurov (Moscow)
,
RL Kallaher (Tallahassee)
,
S Von Molnar (Tallahassee)
Abstract
Recently the spin of the electron has become the focus of a new direction in electronics - semiconductor spintronics - which utilizes mechanisms of strong mutual influence of magnetic and electrical properties in magnetic semiconductors. These mechanisms are still a matter of considerable debate; however, all of them involve a concept of magnetic polaron - a microscopic cloud of magnetization made of several neighbouring magnetic ions and a carrier(s) - which determines most of the electrical, magnetic and optical properties of the material. Although a great number of experiments indicate the existence of magnetic polaron in magnetic semiconductors and related materials it has eluded direct observation until now. Using the positive muon as both a donor centre and a local magnetic probe, we have been able to generate and detect the magnetic polaron and determine its size in the magnetic semiconductor EuS.
Organisation
ISIS
,
ISIS-MUONS
,
STFC
Keywords
Physics
,
Magnetic semiconductor
,
Magnetic polaron
,
Exchange interaction
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Physica B
404, no. 5-7 (2009): 841-844. Is in proceedings of: 11th International Conference on Muon Spin Rotation, Relaxation and Resonance (MuSR2008), Tsukuba, Japan, 21-25 Jul 2008.
doi:10.1016/j.physb.2008.11.142
2009
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