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Title: Thermally activated rotational disorder in CaMoO 4 nanocrystals

In this study, a dual-space approach, combining Rietveld and pair distribution function (PDF) analyses, has been applied to temperature-dependent synchrotron X-ray total scattering data collected on vapor diffusion sol–gel derived CaMoO 4 nanocrystals. A sharp transition in Ca–O bond distances in the range of 151–163 K was identified by PDF analysis, which is attributed to the thermal activation of rotational disorder associated with the rigid MoO 4 tetrahedra.
Authors:
 [1] ;  [1]
  1. Univ. of Southern California, Los Angeles, CA (United States)
Publication Date:
Grant/Contract Number:
SC0006812
Type:
Accepted Manuscript
Journal Name:
CrystEngComm
Additional Journal Information:
Journal Volume: 18; Journal Issue: 24; Journal ID: ISSN 1466-8033
Publisher:
Royal Society of Chemistry
Research Org:
Univ. of Southern California, Los Angeles, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1366727

Culver, Sean P., and Brutchey, Richard L.. Thermally activated rotational disorder in CaMoO4 nanocrystals. United States: N. p., Web. doi:10.1039/c6ce00673f.
Culver, Sean P., & Brutchey, Richard L.. Thermally activated rotational disorder in CaMoO4 nanocrystals. United States. doi:10.1039/c6ce00673f.
Culver, Sean P., and Brutchey, Richard L.. 2016. "Thermally activated rotational disorder in CaMoO4 nanocrystals". United States. doi:10.1039/c6ce00673f. https://www.osti.gov/servlets/purl/1366727.
@article{osti_1366727,
title = {Thermally activated rotational disorder in CaMoO4 nanocrystals},
author = {Culver, Sean P. and Brutchey, Richard L.},
abstractNote = {In this study, a dual-space approach, combining Rietveld and pair distribution function (PDF) analyses, has been applied to temperature-dependent synchrotron X-ray total scattering data collected on vapor diffusion sol–gel derived CaMoO4 nanocrystals. A sharp transition in Ca–O bond distances in the range of 151–163 K was identified by PDF analysis, which is attributed to the thermal activation of rotational disorder associated with the rigid MoO4 tetrahedra.},
doi = {10.1039/c6ce00673f},
journal = {CrystEngComm},
number = 24,
volume = 18,
place = {United States},
year = {2016},
month = {4}
}

Works referenced in this record:

High-pressure structural study of the scheelite tungstates CaWO4 and SrWO4
journal, November 2005
  • Errandonea, D.; Pellicer-Porres, J.; Manjón, F. J.
  • Physical Review B, Vol. 72, Issue 17, Article No. 174106
  • DOI: 10.1103/PhysRevB.72.174106

Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides
journal, September 1976