Paper Title:
Fabrication and Investigation of Hybrid Device Consisting of Ferromagnetic Nanodots and Ga(Mn)As
  Abstract

The new hybrid device consisting of patterned array of Co nanodots on GaMnAs channel was fabricated and demonstrated to give a new functionality to control the transport properties of GaMnAs. Magnetic state of array of Co nanodots was observed with magnetic force microscopy (MFM) observation. The magnetic state of individual Co dots can be controlled by using a MFM tip. Different distribution of magnetic state of Co nanodots in an array structure resulted in an inhomogeneous magnetic field. Magnetic field induced by the array of nanodots leads to change in the transport properties of GaMnAs. This inhomogeneous magnetic field was regarded to act as an effective potential that can trap the spin polarized carriers in the GaMnAs system with giant Zeeman splitting.

  Info
Periodical
Edited by
P. VINCENZINI and D. FIORANI
Pages
48-52
DOI
10.4028/www.scientific.net/AST.52.48
Citation
J. Y. Chang, W.Y. Kim, S.H. Chun, M. Saphonin, V.L. Mironov, B.A. Gribkov, A.A. Fraerman, "Fabrication and Investigation of Hybrid Device Consisting of Ferromagnetic Nanodots and Ga(Mn)As", Advances in Science and Technology, Vol. 52, pp. 48-52, 2006
Online since
October 2006
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Isao Sasaki, Ryoichi Nakatani, Tetsuo Yoshida, Keiichi Otaki, Yasushi Endo, Yoshio Kawamura, Masahiko Yamamoto, Takashi Takenaga, Sunao Aya, Takeharu Kuroiwa, Sadeh Beysen, Hiroshi Kobayashi
Abstract:The magnetic configurations of Ni-20at%Fe/Hf and Ta/Ni-20at%Fe/Mn-28at%Ir/ Ni-20at%Fe/Ta asymmetric ring dots have been studied. Recently,...
171
Authors: Irina A. Kolmychek, Victor L. Krutyanskiy, Tatyana Murzina, Evgeniy A. Karashtin, Maxim V. Sapozhnikov, Andrey A. Fraerman
Chapter 9: Nanostructures and Low Dimensional Magnetism
Abstract:The effects of inhomogeneous magnetization on optical second harmonic generation from magnetic nanostructures are studied. Cobalt...
595
Authors: Samutchar Coomkeaw, Badin Damrongsak
Chapter 3: Materials and Technologies for Magnetic Storage Devices
Abstract:We have developed a numerical model for investigating a motion of magnetic moments in ferromagnetic materials with spin transfer torque...
219