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Title: Inelastic neutron scattering study of the anisotropic S = 1 spin chain [ Ni ( HF 2 ) ( 3 Clpyridine ) 4 ] BF 4

Abstract

[Ni(HF2)(3–Clpyridine)4]BF4 (NBCT) is a one-dimensional, S = 1 spin chain material that shows no magnetic neutron Bragg peaks down to temperatures of 0.1 K. Previous work identified NBCT as being in the Haldane phase and near a quantum phase transition as a function of D/J to the large-D quantum paramagnet phase (QPM), where D is the axial single-ion anisotropy and J is the intrachain superexchange. Herein, inelastic neutron scattering results are presented on partially deuterated, 11B-enriched NBCT polycrystalline samples in zero magnetic field and down to temperatures of 0.3 K. Comparison to density matrix renormalization group calculations yields D/J = 1.51 and a significant rhombic single-ion anisotropy E (E/D ≈ 0.03, E/J ≈ 0.05). Here, these D, J, and E values place NBCT in the large-D QPM phase but precipitously near a quantum phase transition to a long-range ordered phase.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [4]; ORCiD logo [1]; ORCiD logo [5]; ORCiD logo [5]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Eastern Washington Univ., Cheney, WA (United States)
  3. Wrocław Univ. of Science and Technology (Poland); Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Univ. of Copenhagen (Denmark)
  5. Univ. of Florida, Gainesville, FL (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Polish National Agency of Academic Exchange (NAWA); National Science Foundation (NSF); National Science Foundation Cooperative
OSTI Identifier:
1606713
Alternate Identifier(s):
OSTI ID: 1606615
Grant/Contract Number:  
AC05-00OR22725; PPN/PPO/2018/1/00035; DMR-1703003; DMR-1708410; DMR-1644779; FG02-13ER41967
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 101; Journal Issue: 9; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; magnetism; quantum criticality; density matrix renormalization group; inelastic neutron scattering; neutron scattering; spin chains; time-of-flight neutron spectroscopy

Citation Formats

Pajerowski, Daniel M., Manson, Jamie L., Herbrych, Jacek, Bendix, Jesper, Podlesnyak, Andrey A., Cain, John M., and Meisel, Mark W. Inelastic neutron scattering study of the anisotropic S=1 spin chain [Ni(HF2)(3–Clpyridine)4]BF4. United States: N. p., 2020. Web. doi:10.1103/PhysRevB.101.094431.
Pajerowski, Daniel M., Manson, Jamie L., Herbrych, Jacek, Bendix, Jesper, Podlesnyak, Andrey A., Cain, John M., & Meisel, Mark W. Inelastic neutron scattering study of the anisotropic S=1 spin chain [Ni(HF2)(3–Clpyridine)4]BF4. United States. doi:https://doi.org/10.1103/PhysRevB.101.094431
Pajerowski, Daniel M., Manson, Jamie L., Herbrych, Jacek, Bendix, Jesper, Podlesnyak, Andrey A., Cain, John M., and Meisel, Mark W. Fri . "Inelastic neutron scattering study of the anisotropic S=1 spin chain [Ni(HF2)(3–Clpyridine)4]BF4". United States. doi:https://doi.org/10.1103/PhysRevB.101.094431. https://www.osti.gov/servlets/purl/1606713.
@article{osti_1606713,
title = {Inelastic neutron scattering study of the anisotropic S=1 spin chain [Ni(HF2)(3–Clpyridine)4]BF4},
author = {Pajerowski, Daniel M. and Manson, Jamie L. and Herbrych, Jacek and Bendix, Jesper and Podlesnyak, Andrey A. and Cain, John M. and Meisel, Mark W.},
abstractNote = {[Ni(HF2)(3–Clpyridine)4]BF4 (NBCT) is a one-dimensional, S = 1 spin chain material that shows no magnetic neutron Bragg peaks down to temperatures of 0.1 K. Previous work identified NBCT as being in the Haldane phase and near a quantum phase transition as a function of D/J to the large-D quantum paramagnet phase (QPM), where D is the axial single-ion anisotropy and J is the intrachain superexchange. Herein, inelastic neutron scattering results are presented on partially deuterated, 11B-enriched NBCT polycrystalline samples in zero magnetic field and down to temperatures of 0.3 K. Comparison to density matrix renormalization group calculations yields D/J = 1.51 and a significant rhombic single-ion anisotropy E (E/D ≈ 0.03, E/J ≈ 0.05). Here, these D, J, and E values place NBCT in the large-D QPM phase but precipitously near a quantum phase transition to a long-range ordered phase.},
doi = {10.1103/PhysRevB.101.094431},
journal = {Physical Review B},
number = 9,
volume = 101,
place = {United States},
year = {2020},
month = {3}
}

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