期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 112, 期 51, 页码 20135-20137出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp809177n
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资金
- NSF [DMR-0451788]
- LDRD Program at LANL [DE-AC52-06NA25396]
- NIH/NIGMS [DMR-0225180]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0804088] Funding Source: National Science Foundation
Silver micro- and nanocrystals with sizes of similar to 2-3.5 mu m and similar to 50-100 nm were uniaxially compressed under nonhydrostatic pressures (strong deviatoric stress) up to similar to 30 GPa at room temperature in a symmetric diamond-anvil cell and studied in situ using angle-dispersive synchrotron X-ray diffraction. A cubic to trigonal structural distortion along a 3-fold rotational axis was discovered by careful and comprehensive analysis of the apparent lattice parameter and full width at half-maximum, which are strongly dependent upon the Miller index and crystal size.
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