期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 82, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3554437
关键词
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资金
- National Science Foundation [DMR-06-06065, DMR-08-56199]
- NASA [NNX09AJ19H, NNX07AK27G]
- Department of Energy, Basic Energy Sciences [DS-AC02-07CH11358]
- U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- NASA [116867, NNX09AJ19H] Funding Source: Federal RePORTER
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0856199] Funding Source: National Science Foundation
High-energy x-ray diffraction studies of metallic liquids provide valuable information about structural evolution on the atomic length scale, leading to insights into the origin of the nucleation barrier and the processes of supercooling and glass formation. The containerless processing of the beamline electrostatic levitation (BESL) facility allows coordinated thermophysical and structural studies of equilibrium and supercooled liquids to be made in a contamination-free, high-vacuum (similar to 10(-8) Torr) environment. To date, the incorporation of electrostatic levitation facilities into synchrotron beamlines has been difficult due to the large footprint of the apparatus and the difficulties associated with its transportation and implementation. Here, we describe a modular levitation facility that is optimized for diffraction studies of high-temperature liquids at high-energy synchrotron beamlines. The modular approach used in the apparatus design allows it to be easily transported and quickly setup. Unlike most previous electrostatic levitation facilities, BESL can be operated by a single user instead of a user team. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3554437]
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