Study on the inhomogeneity of Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3 single crystal along the growth direction

Wang X.; Xu Z.; Li Z.Chen H.

首页> 外文期刊>Solid State Communications >Study on the inhomogeneity of Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3 single crystal along the growth direction

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Study on the inhomogeneity of Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3 single crystal along the growth direction

机译：Study on the inhomogeneity of Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3 single crystal along the growth direction

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摘要

The bulk single crystals Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3(PIN-PMN-PT) were grown spontaneously using the Bridgman method. The properties of as-grown PIN-PMN-PT single crystals along the growth direction were measured: along the crystal length, its structure was transformed from the mixed phase to tetragonal phase; the piezoelectric constants d_(33) of (001) and (110) samples decreased from 1900 to 1100 pC/N, and from 1200 to 500 pC/N respectively; the Curie temperature T_c increased from 206.0 to 223.4 °C; and the melting as well as crystallizing points all decreased by about 25-30 °C. These phenomena indicated the inhomogeneous properties of the PIN-PMN-PT single crystals. The experiment of elemental analysis verified that gradually increasing the concentration of the cation Ti along the growth direction would result in unstable properties of the crystal. Apparently, such a disadvantage decreased the effective ratio of the PIN-PMN-PT single crystal, and would further limit its applications.

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来源
《Solid State Communications》 |2010年第30期|1425-1428|共4页
作者
Wang X.; Xu Z.; Li Z.Chen H.;
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作者单位

Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'An Jiaotong University, Xi'an 710049, China;

Municipal Key Laboratory of Inorganic Materials Chemistry, Institute of Solid State Materials, Ningbo University, Ningbo 315211, China;

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正文语种英语
中图分类固体物理学;
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Ferroelectrics; Phase transitions; Piezoelectricity;

Study on the inhomogeneity of Pb(In_(1/2)Nb_(1/2))O _3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO _3 single crystal along the growth direction

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