期刊
JOURNAL OF MAGNETIC RESONANCE
卷 218, 期 -, 页码 22-29出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2012.03.005
关键词
ESR; EPR; Microimaging; Cryogenic temperatures; Spin sensitivity
资金
- ISF [213/09]
- BSF [2009401]
- ERC [201665]
- GIF [G-1032-18.14/2009]
- RBNI center at the Technion
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [2009401] Funding Source: National Science Foundation
- European Research Council (ERC) [201665] Funding Source: European Research Council (ERC)
A new probe for acquiring ESR images with microscopic resolution and high spin sensitivity, at a temperature range of similar to 4.2-300 K, is presented. Details of the probe design, as well as its principle of operation, are provided. The probe incorporates a unique surface loop-gap microresonator. Experimental results demonstrate the system's capability to acquire two - as well as three-dimensional images with a flat test sample of phosphorus-doped silicon. The imaging results also allow verifying the resonator's resonance mode - they show its B-1 distribution, which also makes it possible to estimate the number of spins measured in the sample. (C) 2012 Elsevier Inc. All rights reserved.
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