An anomalous behaviour of ultrasonic velocity and attenuation in (PbO)x•(TeO2)1-x glasses

被引：0

作者：

Roychoudhury, P

Paul, A

Basu, C

Mukherjee, S

Goswami, K

机构：

[1] Indian Assoc Cultivat Sci, Dept Solid State Phys, Kolkata 700032, W Bengal, India

[2] Deemed Univ, Bengal Engn Coll, Dept Phys, Sibpur, Howrah, India

[3] Jadavpur Univ, Dept Phys, Kolkata 700032, W Bengal, India

来源：

PHYSICS AND CHEMISTRY OF GLASSES | 2002年 / 43卷 / 03期

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D O I：

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中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The paper presents the temperature variation between 80-300 K of ultrasonic velocity and attenuation in Pb tellurite glasses of different compositions. It is interesting to note that the variation of both velocity and attenuation with temperature deviate from the usual behaviour observed in many oxide glasses. It has been inferred that the anomaly is brought about by the structural changes in the coordination polyhedron of the tellurite glasses induced by temperatures.

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页码：147 / 152

页数：6

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