Application of surface coil in nuclear magnetic resonance studies of physical properties of quasi-2D materials

被引:6
|
作者
Liu, Wencong [1 ]
Lu, Lu [1 ]
Mitrovic, V. F. [1 ]
机构
[1] Brown Univ, Dept Phys, Providence, RI 02912 USA
基金
美国国家科学基金会;
关键词
DESIGN; FIELD;
D O I
10.1063/1.4986047
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We conduct a comprehensive set of tests of performance of surface coils used for nuclear magnetic resonance (NMR) study of quasi-2-dimensional samples. We report In-115 and P-31 NMR measurements on InP, semi-conducting thin substrate samples. Surface coils of both zig-zag meander-line and concentric spiral geometries were used. We compare reception sensitivity and signal-to-noise ratio of the NMR signal obtained by using surface-type coils to that obtained by standard solenoid-type coils. As expected, we find that surface-type coils provide better sensitivity for NMR study of thin film samples. Moreover, we compare the reception sensitivity of different types of the surface coils. We identify the optimal geometry of the surface coils for a given application and/or direction of the applied magnetic field. Published by AIP Publishing.
引用
收藏
页数:7
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