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원자제어 저차원 전자계 연구단
원자제어 저차원 전자계 연구단
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Magnetic domain tuning and the emergence of bubble domains in the bilayer manganite La2-2xSr1+2xMn2O7 (x=0.32)

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Title
Magnetic domain tuning and the emergence of bubble domains in the bilayer manganite La2-2xSr1+2xMn2O7 (x=0.32)
Author(s)
Juyoung Jeong; Ilkyu Yang; Jinho Yang; Oscar E. Ayala-Valenzuela; Dirk Wulferding; Zhou J.-S.; Goodenough J.B.; De Lozanne A.; Mitchell J.F.; Leon N.; Movshovich R.; Jeong Y.H.; Han Woong Yeom; Jeehoon Kim
Publication Date
2015-08
Journal
PHYSICAL REVIEW B, v.92, no.5, pp.054426 -
Publisher
AMER PHYSICAL SOC
Abstract
We report a magnetic force microscopy study of the magnetic domain evolution in the layered manganite La2-2xSr1+2xMn2O7 (with x=0.32). This strongly correlated electron compound is known to exhibit a wide range of magnetic phases, including a recently uncovered biskyrmion phase. We observe a continuous transition from dendritic to stripelike domains, followed by the formation of magnetic bubbles due to a field- and temperature-dependent competition between in-plane and out-of-plane spin alignments. The magnetic bubble phase appears at comparable field and temperature ranges as the biskyrmion phase, suggesting a close relation between both phases. Based on our real-space images we construct a temperature-field phase diagram for this composition. © 2015 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/1927
DOI
10.1103/PhysRevB.92.054426
ISSN
1098-0121
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > Journal Papers (저널논문)
Files in This Item:
2015_19 PhysRevB.92_정주영(김지훈)_20150817.pdfDownload

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