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Fe-doping induced suppression of the second magnetic transition in Sr4Ru3O10

Journal Article · · Physical Review B
 [1];  [2];  [3];  [4];  [2];  [2];  [2];  [5];  [6];  [3];  [7]
  1. Zhejiang Univ., Hangzhou (China); Chinese Academy of Sciences, Anhui (China); Sichuan Normal Univ., Chengdu (China); DOE/OSTI
  2. Chinese Academy of Sciences, Anhui (China)
  3. Tulane Univ., New Orleans, LA (United States); Pennsylvania State Univ., University Park, PA (United States)
  4. Chinese Academy of Sciences, Anhui (China); Southwest Univ., Chongqing (China)
  5. Tulane Univ., New Orleans, LA (United States)
  6. Zhejiang Univ., Hangzhou (China); Nanjing Univ. (China)
  7. Chinese Academy of Sciences, Anhui (China); Nanjing Univ. (China)
+ Show Author Affiliations
Ruthenium oxide (Sr4Ru3O10) exhibits a second magnetic transition at a temperature TM below its ferromagnetic (FM) transition (TC ~ 105 K), which has attracted considerable attention in the past two decades. Here, we successfully grew Sr4(Ru1–xFex)3O10 (x = 0.01) crystal and systematically investigated the magnetotransport property of its nanosheets. We found a feature that there is an in-plane FM order aligned along < 110 > directions below TC without the occurrence of the second magnetic transition at TM, which is in contrast to that expected in pure Sr4Ru3O10 nanosheets, where the in-plane FM order will rotate to the c direction below TM. Furthermore, a metamagnetic-like transition is also observed below ~50 K at about 2 T when the magnetic field is applied along the c axis. Finally, these results unambiguously demonstrate that the second magnetic transition at TM is actually a consequence of spin reorientation induced by the inherent coupling between the spin and lattice, which can be effectively tuned by element doping.
Research Organization:
Louisiana State Univ., Baton Rouge, LA (United States)
Sponsoring Organization:
National Natural Science Foundation of China; USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
SC0012432
OSTI ID:
1611800
Alternate ID(s):
OSTI ID: 1525912
Journal Information:
Physical Review B, Journal Name: Physical Review B Journal Issue: 21 Vol. 99; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (22)

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Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
Magnetic anisotropy
Magnetic phase transitions
Magnetoresistance
Materials Science
Physics