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Structural study of the aluminophosphate AlPO4-5 by neutron powder diffraction

✍ Scribed by T. Ikeda; K. Miyazawa; F. Izumi; Q. Huang; A. Santoro

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 227 KB
Volume: 60
Category: Article
ISSN: 0022-3697
DOI: 10.1016/s0022-3697(99)00166-3

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✦ Synopsis

The structures of an aluminophosphate AlPO 4 -5 produced by a microwave-heating method were determined by neutron powder diffraction. An as-prepared sample incorporating triethylamine as a template crystallized in hexagonal form with space group P6cc. Template molecules were oriented in a head-to-tail manner along the c-axis. On the contrary, a sample calcined to remove triethylamine was orthorhombic with space group Pnn2 or Pcc2. The framework of AlPO 4 -5 proved to change easily by removing the guest material from its one-dimensional cavity.

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