Experimental evidence for an intermediate phase in the multiferroic YMnO3

G. Nénert; M. Polleto; S. Marinel; G.R. Blake; A. Meetsma; T.T.M.  Palstra

doi:10.1088/0953-8984/19/46/466212

Experimental evidence for an intermediate phase in the multiferroic YMnO₃

G. Nénert
, M. Polleto
, S. Marinel
, G.R. Blake
, A. Meetsma
, T.T.M. Palstra

Research output: Contribution to journal › Article › Academic › peer-review

58 Citations (Scopus)

Abstract

We have studied YMnO₃ by high-temperature synchrotron x-ray powder diffraction, and have carried out differential thermal analysis and dilatometry on a single crystal sample. These experiments show two phase transitions at about 1100 K and 1350 K, respectively. This demonstrates the existence of an intermediate phase between the room temperature ferroelectric and the high-temperature centrosymmetric phase. This study identifies for the first time the different high-temperature phase transitions in YMnO₃.

Original language	English
Article number	466212
Number of pages	9
Journal	Journal of physics: Condensed matter
Volume	19
DOIs	https://doi.org/10.1088/0953-8984/19/46/466212
Publication status	Published - 25 Oct 2007
Externally published	Yes

Keywords

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10.1088/0953-8984/19/46/466212

Cite this

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abstract = "We have studied YMnO3 by high-temperature synchrotron x-ray powder diffraction, and have carried out differential thermal analysis and dilatometry on a single crystal sample. These experiments show two phase transitions at about 1100 K and 1350 K, respectively. This demonstrates the existence of an intermediate phase between the room temperature ferroelectric and the high-temperature centrosymmetric phase. This study identifies for the first time the different high-temperature phase transitions in YMnO3.",

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AU - Nénert, G.

AU - Polleto, M.

AU - Marinel, S.

AU - Blake, G.R.

AU - Meetsma, A.

AU - Palstra, T.T.M.

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N2 - We have studied YMnO3 by high-temperature synchrotron x-ray powder diffraction, and have carried out differential thermal analysis and dilatometry on a single crystal sample. These experiments show two phase transitions at about 1100 K and 1350 K, respectively. This demonstrates the existence of an intermediate phase between the room temperature ferroelectric and the high-temperature centrosymmetric phase. This study identifies for the first time the different high-temperature phase transitions in YMnO3.

AB - We have studied YMnO3 by high-temperature synchrotron x-ray powder diffraction, and have carried out differential thermal analysis and dilatometry on a single crystal sample. These experiments show two phase transitions at about 1100 K and 1350 K, respectively. This demonstrates the existence of an intermediate phase between the room temperature ferroelectric and the high-temperature centrosymmetric phase. This study identifies for the first time the different high-temperature phase transitions in YMnO3.

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DO - 10.1088/0953-8984/19/46/466212

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