Negative thermal expansion in the Prussian Blue analog Zn3[Fe(CN)6]2: X-ray diffraction and neutron vibrational studies

被引：13
作者：
Adak, S. [1 ,2 ]
Daemen, L. L. [2 ]
Nakotte, H. [1 ,2 ]
机构：
[1] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA
[2] Los Alamos Natl Lab, Los Alamos Neutron Sci Ctr, Los Alamos, NM 87545 USA
来源：
INTERNATIONAL CONFERENCE ON NEUTRON SCATTERING 2009 | 2010年 / 251卷
关键词：
D O I：
10.1088/1742-6596/251/1/012007
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
The cubic Prussian Blue (PB) analog, Zn-3 [Fe(CN)(6)](2), has been studied by X-ray powder diffraction and inelastic neutron scattering (INS). X-ray data collected at 300 and 84 K revealed negative thermal expansion (NTE) behaviour for this material. The NTE coefficient was found to be -31.1 x 10(-6) K-1. The neutron vibrational spectrum for Zn-3[Fe(CN)(6)](2-)xH(2)O, was studied in detail. The INS spectrum showed well-defined, well-separated bands corresponding to the stretching of and deformation modes of the Fe and Zn octahedra, all below 800 cm(-1).
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