Rosenbaum, T. F. and Shi, X. D. and Nagel, S. R. (1995) Local Order and Global Disorder in Bidisperse Ferrofluids. Journal of Physical Chemistry, 99 (9). pp. 2875-2877. ISSN 0022-3654. doi:10.1021/j100009a050. https://resolver.caltech.edu/CaltechAUTHORS:20140707-163035718
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Abstract
We study the magnetization response of a frozen ferrofluid as large-diameter (10-nm) magnetite particles are added to a dilute, random distribution of small-diameter (5-nm) moments. The small dipole moments are free to relax down to low temperatures, while the large dipoles become immobilized when the solvent freezes, acting as a random local field. The glass transition temperature is a sensitive function of the random field concentration, permitting the investigation of the crossover from spin-glass to random-field behavior.
| Item Type: | Article | |||||||||
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| Additional Information: | Copyright © 1995 American Chemical Society. Received: July 5, 1994; In Final Form: August 30, 1994. We are indebted to J. Popplewell and R. E. Rosensweig for generously supplying the ferrofluids. This work was supported by the NSF Materials Research Laboratory at The University of Chicago under Grant DMR88-19860. | |||||||||
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| Issue or Number: | 9 | |||||||||
| DOI: | 10.1021/j100009a050 | |||||||||
| Record Number: | CaltechAUTHORS:20140707-163035718 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140707-163035718 | |||||||||
| Official Citation: | Local order and global disorder in bidisperse ferrofluids T. F. Rosenbaum, X. D. Shi, and S. R. Nagel The Journal of Physical Chemistry 1995 99 (9), 2875-2877 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 46999 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 14 Jul 2014 16:15 | |||||||||
| Last Modified: | 10 Nov 2021 17:32 |
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