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3. Synchrotron x-ray topography study of Er-doped LaP5O14 crystal

Author

Hu, Z.W., Huang, P.Q., Jiang, S.S., Wang, J.Y., Jiang, J.H., and Zhao, J.Y.

Subjects
Crystals -- Research, Synchrotron radiation -- Analysis, X-rays -- Analysis, Physics
Abstract

Synchrotron radiation white beam X-ray topography facilitated the observation of growth bands and growth sector boundaries in Er-doped LaP5O14 (LPP) ferroelastic crystal and a type of abnormal boundary. Local displacements of La ions, as a result of local stress concentration along the (001) direction, caused abnormal boundary formation. The growth band and growth sector boundaries are LPP's primary defects.

Published
1993

5. Direct observation of ferroelastic phase transition in Er-doped lanthanum pentaphosphate with....

Author

Hu, Z.W., Jiang, S.S., Huang, P.Q., Huang, X.R., Feng, D., Wang, J.Y., and Li, L.X.

Subjects
PHASE transitions, FERROELASTIC crystals, SYNCHROTRON radiation
Abstract

Examines the ferroelastic phase transition in erbium-doped lanthanum pentaphosphate crystals with synchrotron radiation. Characteristics of a classical second-order transition on topographs; Fluctuations of the domain wall numbers with temperature; Link of the domain wall fluctuation with order parameter critical function.

Published
1994
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