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Magnetization in insulating phases of Ti4+ doped SrFeO3-δ

Title data

Srinath, S. ; Mahesh, M. ; Sahner, Kathy ; Post, Michael L. ; Wickles, Monika ; Moos, Ralf ; Srikanth, H.:
Magnetization in insulating phases of Ti4+ doped SrFeO3-δ.
In: Journal of Applied Physics. Vol. 99 (2006) . - 08S904.
ISSN 1089-7550
DOI: https://doi.org/10.1063/1.2167050

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No information01SF0201 9.2

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

SrFeO3−δ belongs to the Ruddlesden-Popper class of systems exhibiting interesting electronic and magnetic properties. Ti4+-doped, oxygen-deficient SrFeO3−δ(SrFexTi1−xO3−δ; x=0.9 and 0.7) samples show canted antiferromagnetic spin ordering, in contrast to the undoped sample (x=1) which is known to exhibit a metallic behavior with a helical spin arrangement.acsusceptibilityχac (f,T) at 10⩽T⩽300K shows a frequency (100Hz⩽f⩽10kHz)-dependent temperature maximum, reminiscent of a spin-glass behavior. Increasing the Ti4+ content reduces the irreversibility, indicating a decrease in the frustration, which results in a diluted helical spin structure. Hysteresis loops can be associated with a gradual reorientation of spins in the field direction, indicating a canted type of spin arrangement.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 26 Jan 2015 09:23
Last Modified: 06 Apr 2016 06:42
URI: https://eref.uni-bayreuth.de/id/eprint/5999