Spatz: the time-of-flight neutron reflectometer with vertical sample geometry at the OPAL research reactor

被引:13
作者
Le Brun, Anton P. [1 ]
Huang, Tzu-Yen [1 ,2 ]
Pullen, Stewart [1 ]
Nelson, Andrew R. J. [1 ]
Spedding, James [1 ]
Holt, Stephen A. [1 ]
机构
[1] Australian Nucl Sci & Technol Org, Australian Ctr Neutron Scattering, New Illawarra Rd, Lucas Heights, NSW 2234, Australia
[2] Natl Synchrotron Radiat Res Ctr, 101 Hsin Ann Rd,Hsinchu Sci Pk, Hsinchu 30076, Taiwan
关键词
neutron reflectometry; instrument commissioning; surfaces; interfaces; time of flight; DEVICE;
D O I
10.1107/S160057672201086X
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Spatz neutron beam instrument is the second time-of-flight neutron reflectometer to be installed at the OPAL research reactor. The instrument was formerly the V18 BioRef reflectometer at the BER-II reactor in Berlin and was transferred to Australia in 2016. Subsequently the instrument was re-installed in the neutron guide hall of the OPAL reactor at the end position of the CG2B cold-neutron guide and recommissioned. The instrument performance has not been compromised by the move, with reflectivity achieved down to 10(-7) and good counting statistics within a reasonable time frame using a wavelength range of 2-20 angstrom. Several different samples at the solid-air interface and the solid-liquid interface have been measured to demonstrate the instrument's capabilities.
引用
收藏
页码:18 / 25
页数:8
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