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Sensitivity and spatial resolution for electron-spin-resonance detection by magnetic resonance force microscopy

Zhang, Z. and Roukes, M. L. and Hammel, P. C. (1996) Sensitivity and spatial resolution for electron-spin-resonance detection by magnetic resonance force microscopy. Journal of Applied Physics, 80 (12). pp. 6931-6938. ISSN 0021-8979. http://resolver.caltech.edu/CaltechAUTHORS:ZHAjap96

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Abstract

The signal intensity of electron spin resonance in magnetic resonance force microscopy (MRFM) experiments employing periodic saturation of the electron spin magnetization is determined by four parameters: the rf field H1, the modulation level of the bias field Hm, the spin relaxation time tau1, and the magnetic size R([partial-derivative]H/[partial-derivative]z) of the sample. Calculations of the MRFM spectra obtained from a 2,2-diphenyl-1-picrylhydrazyl particle have been performed for various conditions. The results are compared with experimental data and excellent agreement is found. The systematic variation of the signal intensity as a function of H1 and Hm provides a powerful tool to characterize the MRFM apparatus.


Item Type:Article
ORCID:
AuthorORCID
Roukes, M. L.0000-0002-2916-6026
Additional Information:© 1996 American Institute of Physics. (Received 19 October 1995; accepted 31 August 1996) The authors would like to thank Dr. P.E. Wigen for helpful discussions. This work was performed under the auspices of the U.S. Department of Energy.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
Subject Keywords:ELECTRON SPIN RESONANCE; SPATIAL RESOLUTION; MAGNETIZATION; ORGANIC COMPOUNDS; MICROSCOPY; RELAXATION TIME; MAGNETIC FIELDS; LINE WIDTHS; MAGNETIC FORCE MICROSCOPY; ESR
Record Number:CaltechAUTHORS:ZHAjap96
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ZHAjap96
Alternative URL:http://dx.doi.org/10.1063/1.363767
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4767
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Sep 2006
Last Modified:04 Nov 2017 05:13

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