JAST
2012 March;3(1):1-41.
Published online 2012 February 08.
doi:http://dx.doi.org/10.5355/JAST.2012.1
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| Copyright ⓒ 2010 Journal of Analytical Science & Technology |
| Spin-glass properties of quasicrystals and complex metallic alloys |
| Janez Dolinšek1,2,3*, Zvonko Jagličić4,5 |
1J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
2Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, SI-1000 Ljubljana, Slovenia
3EN–FIST Centre of Excellence, Dunajska 156, SI-1000 Ljubljana, Slovenia
4Institute of Mathematics, Physics and Mechanics, Jadranska 19, SI-1000 Ljubljana, Slovenia
5Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova 2, SI-1000 Ljubljana, Slovenia |
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Corresponding Author:
Janez Dolinšek ,Tel: +386 1 4773 740, Fax: +386 1 4773 191, Email: jani.dolinsek@ijs.si |
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ABSTRACT |
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| Spin-glass properties of magnetic quasicrystals with spins placed on a quasiperiodic lattice, and complex metallic alloys, characterized by giant unit cells, are reviewed. The systems exhibit rich variety of broken-ergodicity phenomena that share properties with site-disordered canonical spin glasses and site-ordered geometrically frustrated antiferromagnets. Magnetic frustration provides basis of a novel concept of digital data storage, where a byte of digital information can be stored into the material by pure thermal manipulation, in the absence of electric, magnetic or electromagnetic field. |
| Keywords: Spin glasses, Quasicrystals, Complex metallic alloys, Magnetic properties |
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