Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystals: An inherent relationship

X. L. Zhang; Z. G. Hu; G. S. Xu; J. J. Zhu; Y. W. Li; Z. Q. Zhu; J. H. Chu

doi:10.1063/1.4816965

Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg _1/3Nb_2/3)O₃-xPbTiO₃ single crystals: An inherent relationship

X. L. Zhang
, Z. G. Hu^*
, G. S. Xu
, J. J. Zhu
, Y. W. Li
, Z. Q. Zhu
, J. H. Chu

^*此作品的通讯作者

物理与电子科学学院

East China Normal University
CAS - Shanghai Institute of Ceramics

科研成果: 期刊稿件 › 文章 › 同行评审

15 引用（Scopus）

摘要

We report band to band transition behaviors of relaxor ferroelectric Pb(Mg_1/3Nb_2/3)O₃-xPbTiO₃ (PMN-xPT) single crystals derived from temperature-dependent spectral transmittance. A typical bandgap formula with the temperature and composition (8 K ≤ T exp ≤ 453 K, 0.1 ≤ x ≤ 0.4) has been presented. Moreover, the phase diagram of PMN-xPT crystals can be well proposed, which is based on the bandgap variations and can be explained by electronic structure evolution. It reveals an intrinsic relationship between fundamental bandgap and phase transition of PMN-xPT single crystals, which pioneers an effective methodology to explore the phase transition of ferroelectric oxides.

源语言	英语
文章编号	051902
期刊	Applied Physics Letters
卷	103
期	5
DOI	https://doi.org/10.1063/1.4816965
出版状态	已出版 - 29 7月 2013

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title = "Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystals: An inherent relationship",

abstract = "We report band to band transition behaviors of relaxor ferroelectric Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystals derived from temperature-dependent spectral transmittance. A typical bandgap formula with the temperature and composition (8 K ≤ T exp ≤ 453 K, 0.1 ≤ x ≤ 0.4) has been presented. Moreover, the phase diagram of PMN-xPT crystals can be well proposed, which is based on the bandgap variations and can be explained by electronic structure evolution. It reveals an intrinsic relationship between fundamental bandgap and phase transition of PMN-xPT single crystals, which pioneers an effective methodology to explore the phase transition of ferroelectric oxides.",

author = "Zhang, \{X. L.\} and Hu, \{Z. G.\} and Xu, \{G. S.\} and Zhu, \{J. J.\} and Li, \{Y. W.\} and Zhu, \{Z. Q.\} and Chu, \{J. H.\}",

year = "2013",

month = jul,

day = "29",

doi = "10.1063/1.4816965",

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T1 - Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystals

T2 - An inherent relationship

AU - Zhang, X. L.

AU - Hu, Z. G.

AU - Xu, G. S.

AU - Zhu, J. J.

AU - Li, Y. W.

AU - Zhu, Z. Q.

AU - Chu, J. H.

PY - 2013/7/29

Y1 - 2013/7/29

N2 - We report band to band transition behaviors of relaxor ferroelectric Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystals derived from temperature-dependent spectral transmittance. A typical bandgap formula with the temperature and composition (8 K ≤ T exp ≤ 453 K, 0.1 ≤ x ≤ 0.4) has been presented. Moreover, the phase diagram of PMN-xPT crystals can be well proposed, which is based on the bandgap variations and can be explained by electronic structure evolution. It reveals an intrinsic relationship between fundamental bandgap and phase transition of PMN-xPT single crystals, which pioneers an effective methodology to explore the phase transition of ferroelectric oxides.

AB - We report band to band transition behaviors of relaxor ferroelectric Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystals derived from temperature-dependent spectral transmittance. A typical bandgap formula with the temperature and composition (8 K ≤ T exp ≤ 453 K, 0.1 ≤ x ≤ 0.4) has been presented. Moreover, the phase diagram of PMN-xPT crystals can be well proposed, which is based on the bandgap variations and can be explained by electronic structure evolution. It reveals an intrinsic relationship between fundamental bandgap and phase transition of PMN-xPT single crystals, which pioneers an effective methodology to explore the phase transition of ferroelectric oxides.

UR - https://www.scopus.com/pages/publications/84882339010

U2 - 10.1063/1.4816965

DO - 10.1063/1.4816965

M3 - 文章

AN - SCOPUS:84882339010

SN - 0003-6951

VL - 103

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 5

M1 - 051902

ER -

Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystals: An inherent relationship

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Optical bandgap and phase transition in relaxor ferroelectric Pb(Mg _1/3Nb_2/3)O₃-xPbTiO₃ single crystals: An inherent relationship