A REAL-TIME NEUTRON-DIFFRACTION STUDY OF PHASE-TRANSITIONS IN THE TI-D SYSTEM AFTER HIGH-PRESSURE TREATMENT

被引:21
作者
KOLESNIKOV, AI [1 ]
BALAGUROV, AM [1 ]
BASHKIN, IO [1 ]
FEDOTOV, VK [1 ]
MALYSHEV, VY [1 ]
MIRONOVA, GM [1 ]
PONYATOVSKY, EG [1 ]
机构
[1] JOINT INST NUCL RES, FRANK LAB NEUTRON PHYS, DUBNA 141980, RUSSIA
关键词
D O I
10.1088/0953-8984/5/29/003
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Phase transformations in TiD(approximately 0.75) subjected to high-pressure treatment were investigated by simultaneous real-time measurements of neutron diffraction and small-angle neutron scattering. The neutron spectra were taken on heating the samples in the temperature ranges 100 to 300 K and 300 to 760 K followed by cooling to 430 K. A sequence of structural transitions was observed, which involves seven different phases and intermediate states with the hexagonal close-packed, face-centred cubic, face-centred orthorhombic or body-centred cubic metal sublattices and hydrogen atoms distributed on octahedral or ordered/disordered tetrahedral interstices.
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页码:5045 / 5058
页数:14
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