Properties of Molten Potassium Niobate System

Chin. Phys. Lett.

1995, Vol. 12

Issue (2): 83-86 DOI:

Original Articles

Properties of Molten Potassium Niobate System

HONG Xinguo;LU Kunquan;ZHAO Yaqin;WU Xing

Institute of Physics, Academia Sinica, Beijing 100080

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HONG Xinguo, LU Kunquan, ZHAO Yaqin et al 1995 Chin. Phys. Lett. 12 83-86

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Abstract The density and surface tension of the K₂ O-Nb₂ O₅ molten system between 50 and 56mol% K₂ O melts were measured from 1080 to 1180°C. The concentration of K₂ O from 50 to 56mol% in melt not only caused the density of melt to decrease, but also induced the surface tension to decrease. Both composition gradient and the temperature coefficient of density exist extremum within this composition range. These properties are possibly employed to explain why the KNbO₃ crystal should be grown at the composition from 52 to 54mo1% K₂ O at above 1150°C.

Keywords: 61.50.Cj 68.10.Cr

Published: 01 February 1995

PACS:	61.50.Cj
	68.10.Cr

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I2/083

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	LU Kunquan
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	WU Xing

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