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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