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Title: Hall Effect Study of the Metamagnetic Transition in the Sr4(Ru0.99Fe0.01)3O10 Nanosheet

Journal Article · · Frontiers in Materials
 [1];  [2];  [1];  [1];  [3];  [1];  [3];  [1]
  1. Southwest University, Chongqing (China)
  2. Chongqing University (China)
  3. Pennsylvania State University, University Park, PA (United States)

Sr4(Ru0.99Fe0.01)3O10 shows a ferromagnetic (FM) transition at TC ~ 105 K with the magnetic easy axis in the ab plane, followed by a metamagnetic transition (MMT) at low temperatures when the magnetic field H is applied along the c axis, which is in sharp contrast to that of the pure Sr4Ru3O10, where the easy axis is along the c axis and the MMT is in the ab plane. Here, we studied the MMT in the Sr4(Ru0.99Fe0.01)3O10 nanosheet by the Hall effect. It was found that the ordinary Hall coefficient of Sr4(Ru0.99Fe0.01)3O10 is almost the same as that of the pure Sr4Ru3O10, while a sudden increase in the Hall resistance Rxy is observed below ~50 K, above which the Rxy presents the conventional anomalous Hall effect up to TC. Analysis of the results indicates that the MMT has no direct correlation to the electronic structure but closely relates to the magnetic moment locking, where the magnetic-field-induced breakdown of the locked moments is responsible for the MMT.

Research Organization:
Louisiana State Univ., Baton Rouge, LA (United States); Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Central Universities; Chongqing Municipal Program of Innovation and Entrepreneurship for Undergraduates; National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
SC0012432; SWU019010; S202010635003; 11674323; 11804297; U19A2093
OSTI ID:
1981088
Journal Information:
Frontiers in Materials, Vol. 9; ISSN 2296-8016
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

References (14)

Evidence of in-plane ferromagnetic order probed by planar Hall effect in the geometry-confined ruthenate S r 4 R u 3 O 10 journal April 2017
Magnetic reversal in S r 4 R u 3 O 10 nanosheets probed by anisotropic magnetoresistance journal July 2018
Fe-doping induced suppression of the second magnetic transition in Sr4Ru3O10 journal June 2019
Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr4Ru3O10 journal March 2018
Size effect on the magnetic phase in Sr 4 Ru 3 O 10 journal May 2016
Structure and magnetism of single crystal Sr 4 Ru 3 O 10 :  A ferromagnetic triple-layer ruthenate journal May 2002
Phase Separation in the Itinerant Metamagnetic Transition of Sr 4 Ru 3 O 10 journal February 2006
Field- and Pressure-Induced Phases in Sr 4 Ru 3 O 10 : A Spectroscopic Investigation journal February 2006
Orbital-dependent metamagnetic response in Sr 4 Ru 3 O 10 journal March 2007
Neutron diffraction study of triple-layered Sr 4 Ru 3 O 10 journal January 2013
Dilatometric study of the metamagnetic and ferromagnetic phases in the triple-layered Sr 4 Ru 3 O 10 system journal October 2016
Competing ground states in triple-layered Sr 4 Ru 3 O 10 : Verging on itinerant ferromagnetism with critical fluctuations journal November 2003
Magnetic Field-Tuned Quantum Criticality in the Metallic Ruthenate Sr3Ru2O7 journal October 2001
Specific heat of Sr4Ru3O10 journal April 2004

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