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dc.contributor | Universitat de Barcelona |
---|---|
dc.contributor.author | Tejada Palacios, Javier |
dc.contributor.author | Balcells i Argemí, Lluís |
dc.contributor.author | Linderoth, S. (Soren) |
dc.contributor.author | Perzynski, R. |
dc.contributor.author | Rigau, B. |
dc.contributor.author | Barbara, B. |
dc.contributor.author | Bacri, J. C. (Jean Claude) |
dc.date | 2012-02-16T08:49:38Z |
dc.date | 2012-02-16T08:49:38Z |
dc.date | 1993 |
dc.identifier.citation | 0021-8979 |
dc.identifier.citation | 3625 |
dc.identifier.uri | http://hdl.handle.net/2445/22092 |
dc.description.abstract | We present a study of the magnetic relaxation of several ferrofluids composed of particles of about 40 Å in diameter (Fe3O4FeC, CoFe2O4). Our key observation is a nonthermal character of the relaxation below 3 K for the CoFe2O4 ferrofluid and below 1 K for the FeC ferrofluid. The crossover temperature from thermal to nonthermal (quantum) regime is in accordance with theoretical suggestions of macroscopic quantum tunneling of magnetization in single doma in particles |
dc.format | 3 p. |
dc.format | application/pdf |
dc.language.iso | eng |
dc.publisher | American Institute of Physics |
dc.relation | Reproducció digital del document proporcionada per AIP i http://dx.doi.org/10.1063/1.352445 |
dc.relation | Journal of Applied Physics, 1993, vol. 73, núm. 10, p. 6952-6954 |
dc.relation | http://dx.doi.org/10.1063/1.352445 |
dc.rights | (c) American Institute of Physics, 1993 |
dc.rights | info:eu-repo/semantics/openAccess |
dc.subject | Relaxació magnètica |
dc.subject | Magnetisme |
dc.subject | Efecte túnel |
dc.subject | Matèria condensada |
dc.subject | Anisotropia |
dc.subject | Magnetic relaxation |
dc.subject | Magnetism |
dc.subject | Tunneling (Physics) |
dc.subject | Condensed matter |
dc.subject | Anisotropy |
dc.title | Quantum tunneling of magnetization in single domain particles |
dc.type | info:eu-repo/semantics/article |
dc.type | info:eu-repo/semantics/publishedVersion |