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Title: Suppression of the commensurate magnetic phase in nanosized hübnerite MnW O 4

Abstract

Magnetic structures of nanosized (20 to 70 nm) powders of MnWO4 and MnWO4:Mo were studied using neutron powder diffraction (NPD). Sizes and shapes of the crystallites calculated from anisotropic peak broadening of diffraction peaks were found to be orthogonal parallelepipedlike with the longest edge along the c axis and the shortest along the b axis. SQUID measurements indicate the presence of two magnetic transitions around 8 and 12 K. Rietveld refinement of the NPD data below the magnetic transition was consistent with the presence of an incommensurate spiral-like (ac-AF2) phase. Finally, a commensurate phase AF1 was not observed down to 2.5 K for all of the samples.

Authors:
 [1];  [2];  [3];  [2];  [2]
  1. Univ. of Silesia, Katowice (Poland). Inst. of Physics
  2. Polish Academy of Sciences (PAS), Warsaw (Poland). Inst. of Low Temperature and Structure Research
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE; National Institute of Standards and Technology (NIST); Polish State Committee for Scientific Research
OSTI Identifier:
1430608
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 17; 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

Citation Formats

Zajdel, P., G?gor, A., Pajerowski, D. M., Ptak, M., and Szlawska, M. Suppression of the commensurate magnetic phase in nanosized hübnerite MnWO4. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.174427.
Zajdel, P., G?gor, A., Pajerowski, D. M., Ptak, M., & Szlawska, M. Suppression of the commensurate magnetic phase in nanosized hübnerite MnWO4. United States. https://doi.org/10.1103/PhysRevB.95.174427
Zajdel, P., G?gor, A., Pajerowski, D. M., Ptak, M., and Szlawska, M. Thu . "Suppression of the commensurate magnetic phase in nanosized hübnerite MnWO4". United States. https://doi.org/10.1103/PhysRevB.95.174427. https://www.osti.gov/servlets/purl/1430608.
@article{osti_1430608,
title = {Suppression of the commensurate magnetic phase in nanosized hübnerite MnWO4},
author = {Zajdel, P. and G?gor, A. and Pajerowski, D. M. and Ptak, M. and Szlawska, M.},
abstractNote = {Magnetic structures of nanosized (20 to 70 nm) powders of MnWO4 and MnWO4:Mo were studied using neutron powder diffraction (NPD). Sizes and shapes of the crystallites calculated from anisotropic peak broadening of diffraction peaks were found to be orthogonal parallelepipedlike with the longest edge along the c axis and the shortest along the b axis. SQUID measurements indicate the presence of two magnetic transitions around 8 and 12 K. Rietveld refinement of the NPD data below the magnetic transition was consistent with the presence of an incommensurate spiral-like (ac-AF2) phase. Finally, a commensurate phase AF1 was not observed down to 2.5 K for all of the samples.},
doi = {10.1103/PhysRevB.95.174427},
journal = {Physical Review B},
number = 17,
volume = 95,
place = {United States},
year = {Thu May 18 00:00:00 EDT 2017},
month = {Thu May 18 00:00:00 EDT 2017}
}

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