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Critical phenomena in magnetic vortex formation probed by noise spectroscopy

Abstract

Transition between a vortex magnetic state and a uniform magnetic state in a Ni{sub 81}Fe{sub 19} mesoscopic ring has been investigated in terms of resistive-noise spectroscopy. The observed low-frequency noise exhibits critical enhancement around the magnetization saturation. This noise enhancement can be argued from the viewpoint of the critical phenomena due to the chiral-symmetry breakdown of mesoscopic magnetic-structure, which can present a typical mechanism of symmetry transition of magnetic structure in mesoscopic ferromagnets.
Publication Date:
Nov 01, 2004
Product Type:
Journal Article
Resource Relation:
Journal Name: Journal of Magnetism and Magnetic Materials; Journal Volume: 282; Journal Issue: 5-6; Conference: International symposium on advanced magnetic technologies, Taipei, Taiwan (China), 13-16 Nov 2003; Other Information: DOI: 10.1016/j.jmmm.2004.04.007; PII: S0304885304003257; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); PBD: Nov 2004
Subject:
36 MATERIALS SCIENCE; CHIRAL SYMMETRY; IRON COMPOUNDS; MAGNETIZATION; NICKEL COMPOUNDS; NOISE; SPECTROSCOPY; VORTICES
OSTI ID:
20618203
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0304-8853; JMMMDC; TRN: NL05R2337061701
Submitting Site:
NLN
Size:
page(s) 25-27
Announcement Date:
Aug 21, 2005

Citation Formats

Saitoh, E, Harii, K, Miyajima, H, and Yamaoka, T. Critical phenomena in magnetic vortex formation probed by noise spectroscopy. Netherlands: N. p., 2004. Web. doi:10.1016/j.jmmm.2004.04.007.
Saitoh, E, Harii, K, Miyajima, H, & Yamaoka, T. Critical phenomena in magnetic vortex formation probed by noise spectroscopy. Netherlands. https://doi.org/10.1016/j.jmmm.2004.04.007
Saitoh, E, Harii, K, Miyajima, H, and Yamaoka, T. 2004. "Critical phenomena in magnetic vortex formation probed by noise spectroscopy." Netherlands. https://doi.org/10.1016/j.jmmm.2004.04.007.
@misc{etde_20618203,
title = {Critical phenomena in magnetic vortex formation probed by noise spectroscopy}
author = {Saitoh, E, Harii, K, Miyajima, H, and Yamaoka, T}
abstractNote = {Transition between a vortex magnetic state and a uniform magnetic state in a Ni{sub 81}Fe{sub 19} mesoscopic ring has been investigated in terms of resistive-noise spectroscopy. The observed low-frequency noise exhibits critical enhancement around the magnetization saturation. This noise enhancement can be argued from the viewpoint of the critical phenomena due to the chiral-symmetry breakdown of mesoscopic magnetic-structure, which can present a typical mechanism of symmetry transition of magnetic structure in mesoscopic ferromagnets.}
doi = {10.1016/j.jmmm.2004.04.007}
journal = []
issue = {5-6}
volume = {282}
journal type = {AC}
place = {Netherlands}
year = {2004}
month = {Nov}
}