期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 97, 期 7, 页码 2213-2222出版社
WILEY
DOI: 10.1111/jace.12975
关键词
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资金
- National Science Foundation Division of Materials Research (NSF DMR) [0706606]
- AFOSR [FA9550-09-1-0322]
- AFOSR SMART Scholarship by the Department of Defense, USA
- US DOE, BES-Materials Sciences [W-31-109-ENG-38]
- US DOE, Division of Materials Sciences and Division of Chemical Sciences [DE-AC02-98CH10886]
- U.S. Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0706606] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1411032] Funding Source: National Science Foundation
The thermal expansion of a low symmetry crystal can be much more interesting than the lattice parameter expansion would suggest. Here, the complete thermal expansion tensors for monoclinic and tetragonal phases of ZrO2 and HfO2 have been measured in air, by high-resolution, high-temperature X-ray diffraction. These results reveal the highly anisotropic nature of thermal expansion in the monoclinic phase as well as a cooperative movement of ions and the existence of a zero thermal expansion plane.
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