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Title: Complex magnetic phases in LuFe2O4

Abstract

DC magnetization and AC susceptibility measurements on LuFe{sub 2}O{sub 4} single crystals reveal a ferrimagnetic transition at 240 K followed by additional magnetic transitions at 225 K and 170 K, separating cluster glass phases, and a kinetically arrested state below 55 K. The origin of giant magnetic coercivity is attributed to the collective freezing of ferrimagnetic clusters and enhanced domain wall pinning associated with a structural transition at 170 K. Magnetocaloric effect measurements provide additional vital information about the multiple magnetic transitions and the glassy states. Our results lead to the emergence of a complex magnetic phase diagram in LuFe{sub 2}O{sub 4}.

Authors:
 [1];  [1];  [2];  [2];  [3];  [3];  [1]
+ Show Author Affiliations
  1. University of South Florida, Tampa
  2. Institut fur Festkorperforschung
  3. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
988744
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
Solid State Communications
Additional Journal Information:
Journal Volume: 150; Journal Issue: 7-8; Journal ID: ISSN 0038-1098
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; LUTETIUM OXIDES; IRON OXIDES; MAGNETIC PROPERTIES; PHASE TRANSFORMATIONS; MONOCRYSTALS; PHASE DIAGRAMS

Citation Formats

Phan, M., Frey, N. A., Angst, M, De Groot, J, Sales, Brian C, Mandrus, David, and Srikanth, H. Complex magnetic phases in LuFe2O4. United States: N. p., 2010. Web. doi:10.1016/j.ssc.2009.11.030.
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Phan, M., Frey, N. A., Angst, M, De Groot, J, Sales, Brian C, Mandrus, David, & Srikanth, H. Complex magnetic phases in LuFe2O4. United States. https://doi.org/10.1016/j.ssc.2009.11.030
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Phan, M., Frey, N. A., Angst, M, De Groot, J, Sales, Brian C, Mandrus, David, and Srikanth, H. 2010. "Complex magnetic phases in LuFe2O4". United States. https://doi.org/10.1016/j.ssc.2009.11.030.
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@article{osti_988744,
title = {Complex magnetic phases in LuFe2O4},
author = {Phan, M. and Frey, N. A. and Angst, M and De Groot, J and Sales, Brian C and Mandrus, David and Srikanth, H.},
abstractNote = {DC magnetization and AC susceptibility measurements on LuFe{sub 2}O{sub 4} single crystals reveal a ferrimagnetic transition at 240 K followed by additional magnetic transitions at 225 K and 170 K, separating cluster glass phases, and a kinetically arrested state below 55 K. The origin of giant magnetic coercivity is attributed to the collective freezing of ferrimagnetic clusters and enhanced domain wall pinning associated with a structural transition at 170 K. Magnetocaloric effect measurements provide additional vital information about the multiple magnetic transitions and the glassy states. Our results lead to the emergence of a complex magnetic phase diagram in LuFe{sub 2}O{sub 4}.},
doi = {10.1016/j.ssc.2009.11.030},
url = {https://www.osti.gov/biblio/988744}, journal = {Solid State Communications},
issn = {0038-1098},
number = 7-8,
volume = 150,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 2010},
month = {Fri Jan 01 00:00:00 EST 2010}
}
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Journal Article:
https://doi.org/10.1016/j.ssc.2009.11.030
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