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Monitoring an insulator-metal transition in icosahedral AlPdRe by neutron irradiation
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2002 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 66, no 9Article in journal (Refereed) Published
Abstract [en]

The intrinsic disorder effect on the electrical resistivity and magnetoresistance (MR) of icosahedral AlPdRe is studied by use of high-energy neutron irradiation. The icosahedral phase is preserved under irradiation with a decrease of x-ray peak intensity and volume of the coherent icosahedral phase. An insulator-metal transition, as observed in the MR, can be driven by the irradiation and is monitored by the resistance ratio R[=rho(4.2 K)/rho(295 K)]. The relation of MR vs R was found to be similar for samples of a widely different history.

Place, publisher, year, edition, pages
2002. Vol. 66, no 9
Keyword [en]
al-pd-re, quasi-crystals, conductivity, behavior, alloys
URN: urn:nbn:se:kth:diva-21942DOI: 10.1103/PhysRevB.66.092203ISI: 000178383200010OAI: diva2:340640
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Rapp, Östen.
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Microelectronics and Information Technology, IMIT
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