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  Possible Piezoelectric Materials CsMZr0.5(MoO4)3 (M = Al, Sc, V, Cr, Fe, Ga, In) and CsCrTi0.5(MoO4)3: Structure and Physical Properties

Sarapulova, A. E., Bazarov, B., Namsaraeva, T., Dorzhieva, J., Barazova, J., Grossman, V., et al. (2014). Possible Piezoelectric Materials CsMZr0.5(MoO4)3 (M = Al, Sc, V, Cr, Fe, Ga, In) and CsCrTi0.5(MoO4)3: Structure and Physical Properties. The Journal of Physical Chemistry C, 118, 1763-1773. doi:10.1021/jp4077245.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-C1F3-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-C9CA-3
Genre: Journal Article

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Sarapulova, A. E.1, Author              
Bazarov, B.2, Author
Namsaraeva, T.2, Author
Dorzhieva, J.2, Author
Barazova, J.2, Author
Grossman, V.2, Author
Bush, A. A.2, Author
Antonyshyn, I.3, Author              
Schmidt, M.4, Author              
Bell, A. M. T.2, Author
Knapp, M.2, Author
Ehrenberg, H.2, Author
Eckert, J.2, Author
Mikhailova, D.5, Author              
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2extern, ou_persistent22              
3Iryna Antonyshyn, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863412              
4Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              
5Daria Mikhailova, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863448              

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 Abstract: A series of isostructural trigonal molybdates CsMZr0.5(MoO4)(3) with M = Al, Ga, In, Sc, Cr, V, Fe, and CsCrTi0.5(MoO4)(3) was synthesized by solid state reactions and characterized by synchrotron powder diffraction, differential scanning calorimetry, thermal conductivity measurements, and magnetization measurements for compounds with a magnetic 3d transition metal cation. The NASICON-type structure of these compounds represents a three-dimensional framework of corner-sharing trigonal MoO4-pyramids and MO6-octahedra, in which M and Zr (Ti) ions are randomly distributed. The Cs ions occupy large channels along the c-axis. A combination of phenomena like a drastic increase of thermal conductivity, endothermic signals in the DSC curve and anomalies in the thermal expansion coefficients, observed for the compounds with M = Cr, V, Fe, and CsCrTi0.3(MoO4)(3) above 700 K, allows one to propose a structural phase transition. The crystal structure of the high-temperature phase is very close to the low-temperature one. A significant hysteresis in high-temperature electronic and thermal conductivity was observed. A possible transition from the piezoelectric to the paraelectric state is discussed.

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 Dates: 2014-01-19
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000330610200002
DOI: 10.1021/jp4077245
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Title: The Journal of Physical Chemistry C
  Other : J. Phys. Chem. C
Source Genre: Journal
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Publ. Info: Washington DC : American Chemical Society
Pages: - Volume / Issue: 118 Sequence Number: - Start / End Page: 1763 - 1773 Identifier: ISSN: 1932-7447
CoNE: /journals/resource/954926947766