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Title: Disorder from order among anisotropic next-nearest-neighbor Ising spin chains in SrHo2O4

Abstract

Here, we describe why Ising spin chains with competing interactions in SrHo2O4 segregate into ordered and disordered ensembles at low temperatures (T). Using elastic neutron scattering, magnetization, and specific heat measurements, the two distinct spin chains are inferred to have Neel (↑↓↑↓) and double-Neel (↑↑↓↓) ground states, respectively. Below TN = 0.68(2) K, the Neel chains develop three-dimensional long range order (LRO), which arrests further thermal equilibration of the double-Neel chains so they remain in a disordered incommensurate state for T below TS = 0.52(2) K. SrHo2O4 distills an important feature of incommensurate low dimensional magnetism: kinetically trapped topological defects in a quasi-d-dimensional spin system can preclude order in d + 1 dimensions.

Authors:
 [1];  [2];  [2];  [1];  [1];  [3];  [4];  [5];  [6];  [7]
  1. The John Hopkins Univ., Baltimore, MD (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Outstation at Institut Laue-Langevin, Grenoble Cedex (France); Institut fur Kristallographie der RWTH Aachen Univ., Aachen (Germany)
  4. Univ. of Tennessee, Knoxville, TN (United States)
  5. National Institute of Standards and Technology, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
  6. Iowa State Univ., Ames, IA (United States)
  7. The John Hopkins Univ., Baltimore, MD (United States); Oak Ridge National Lab., Oak Ridge, TN (United States); National Institute of Standards and Technology, Gaithersburg, MD (United States)
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR)
Sponsoring Org.:
USDOE
OSTI Identifier:
1227213
Alternate Identifier(s):
OSTI ID: 1181180; OSTI ID: 1333648
Report Number(s):
IS-J-8630
Journal ID: ISSN 1098-0121; PRBMDO
Grant/Contract Number:  
FG02-08ER46544; AC02-07CH11358; DMR0944772; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 91; Journal Issue: 5; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Wen, J. -J., Tian, W., Garlea, V. O., Koohpayeh, S. M., McQueen, T. M., Li, H. -F., Yan, J. -Q., Rodriguez-Rivera, J. A., Vaknin, D., and Broholm, C. L. Disorder from order among anisotropic next-nearest-neighbor Ising spin chains in SrHo2O4. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.91.054424.
Wen, J. -J., Tian, W., Garlea, V. O., Koohpayeh, S. M., McQueen, T. M., Li, H. -F., Yan, J. -Q., Rodriguez-Rivera, J. A., Vaknin, D., & Broholm, C. L. Disorder from order among anisotropic next-nearest-neighbor Ising spin chains in SrHo2O4. United States. https://doi.org/10.1103/PhysRevB.91.054424
Wen, J. -J., Tian, W., Garlea, V. O., Koohpayeh, S. M., McQueen, T. M., Li, H. -F., Yan, J. -Q., Rodriguez-Rivera, J. A., Vaknin, D., and Broholm, C. L. Thu . "Disorder from order among anisotropic next-nearest-neighbor Ising spin chains in SrHo2O4". United States. https://doi.org/10.1103/PhysRevB.91.054424. https://www.osti.gov/servlets/purl/1227213.
@article{osti_1227213,
title = {Disorder from order among anisotropic next-nearest-neighbor Ising spin chains in SrHo2O4},
author = {Wen, J. -J. and Tian, W. and Garlea, V. O. and Koohpayeh, S. M. and McQueen, T. M. and Li, H. -F. and Yan, J. -Q. and Rodriguez-Rivera, J. A. and Vaknin, D. and Broholm, C. L.},
abstractNote = {Here, we describe why Ising spin chains with competing interactions in SrHo2O4 segregate into ordered and disordered ensembles at low temperatures (T). Using elastic neutron scattering, magnetization, and specific heat measurements, the two distinct spin chains are inferred to have Neel (↑↓↑↓) and double-Neel (↑↑↓↓) ground states, respectively. Below TN = 0.68(2) K, the Neel chains develop three-dimensional long range order (LRO), which arrests further thermal equilibration of the double-Neel chains so they remain in a disordered incommensurate state for T below TS = 0.52(2) K. SrHo2O4 distills an important feature of incommensurate low dimensional magnetism: kinetically trapped topological defects in a quasi-d-dimensional spin system can preclude order in d + 1 dimensions.},
doi = {10.1103/PhysRevB.91.054424},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 5,
volume = 91,
place = {United States},
year = {Thu Feb 26 00:00:00 EST 2015},
month = {Thu Feb 26 00:00:00 EST 2015}
}

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Cited by: 25 works
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Works referencing / citing this record:

Orbital-exchange and fractional quantum number excitations in an f-electron metal, Yb 2 Pt 2 Pb
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