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Title: Magnetic domain tuning and the emergence of bubble domains in the bilayer manganite La 2 - 2 x Sr 1 + 2 x Mn 2 O 7 ( x = 0.32 )

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [1];  [1];  [1];  [1];  [2];  [2];  [2];  [3];  [4];  [4];  [5];  [1];  [1]
  1. Inst. for Basic Science, Pohang (Korea, Republic of); Pohang Univ. of Science and Technology, Pohang (Korea, Republic of)
  2. Univ. of Texas, Austin, TX (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  5. Pohang Univ. of Science and Technology, Pohang (Korea, Republic of)

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 stripe-like 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 the first temperature-field phase diagram for this composition.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States); Inst. for Basic Science, Pohang (Korea, Republic of); Pohang Univ. of Science and Technology, Pohang (Korea, Republic of)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Inst. for Basic Science (IBS) (Korea, Republic of); Pohang Univ. of Science and Technology (POSTECH) (Korea, Republic of)
Contributing Organization:
Univ. of Texas, Austin, TX (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Grant/Contract Number:
AC52-06NA25396; DMR 1122603; IBS-R014-D1; 2011-0030786; AC02-06CH11357
OSTI ID:
1256100
Alternate ID(s):
OSTI ID: 1211573; OSTI ID: 1356989
Report Number(s):
LA-UR-15-26914; PRBMDO
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 5; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

References (24)

The physics of manganites: Structure and transport journal August 2001
CMR manganites: physics, thin films and devices journal April 2003
Interplay of spin and orbital ordering in the layered colossal magnetoresistance manganite La 2 2 x Sr 1 + 2 x Mn 2 O 7 ( 0.5 <~ x <~ 1 . 0 ) journal December 2000
Layered Magnetic Manganites journal August 2000
Neutron scattering studies on magnetic structure of the double-layered manganite La2−2xSr1+2xMn2O7 (0.30≤x≤0.50) journal September 1999
Magnetic state of La 1.36 Sr 1.64 Mn 2 O 7 probed by magnetic force microscopy journal January 2008
Observation of Magnetic Ripple and Nanowidth Domains in a Layered Ferromagnet journal November 2005
Magnetic anisotropy and domain structure of the layered manganite La 1.36 Sr 1.64 Mn 2 O 7 journal October 2000
Observation of Electronic Inhomogeneity and Charge Density Waves in a Bilayer La 2 2 x Sr 1 + 2 x Mn 2 O 7 Single Crystal journal May 2013
Spontaneous Bubble Domain Formation in a Layered Ferromagnetic Crystal journal June 1999
Biskyrmion states and their current-driven motion in a layered manganite journal January 2014
Temperature and field dependence of magnetic domains in La 1.2 Sr 1.8 Mn 2 O 7 journal April 2015
Pressure-induced phase segregation in single-crystal La 2 2 x Sr 1 + 2 x Mn 2 O 7 ( x = 0.32 ) journal April 2000
Charge delocalization and structural response in layered La 1.2 Sr 1.8 Mn 2 O 7 : Enhanced distortion in the metallic regime journal January 1997
Effect of layering and doping on the magnetic anisotropy of the layered manganites La2−2xSr1+2xMn2O7 ( x =0.3–0.4) journal June 2001
Demagnetizing factors for rectangular ferromagnetic prisms journal March 1998
Optimal T C in Layered Manganites: Different Roles of Coherent and Incoherent Lattice Distortions journal August 1999
Determination of intrinsic magnetic material parameters of Nd2Fe14B from magnetic measurements of sintered Nd15Fe77B8 magnets journal May 1986
Spin dynamical properties and orbital states of the layered perovskite La 2 2 x Sr 1 + 2 x Mn 2 O 7 ( 0.3 <~ x < 0.5 ) journal January 2002
Magnetic microstructure of the (0001) surface of hcp cobalt journal December 1989
Direct Imaging of the First-Order Spin-Flop Transition in the Layered Manganite La 1.4 Sr 1.6 Mn 2 O 7 journal November 1999
Anisotropic Magnetoelastic Phenomena in Layered Manganite Crystals: Implication of Change in Orbital State journal December 1998
Magnetic stripes and skyrmions with helicity reversals journal May 2012
Stripe-to-bubble transition of magnetic domains at the spin reorientation of (Fe/Ni)/Cu/Ni/Cu(001) journal January 2009

Cited By (4)

Microscopic magnetization distribution of Bloch lines in a uniaxial magnet journal February 2019
An ultra-compact low temperature scanning probe microscope for magnetic fields above 30 T journal November 2018
Rare-earth-doped Bi 2 X 3 ( X = Se, Te) as candidates for magnetic topological insulators journal January 2020
An ultra-compact low temperature scanning probe microscope for magnetic fields above 30 T text January 2018

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