Metal–insulator–metal transition in Ti substituted antiferromagentic Ru2MnGe Heusler alloy
| Autor: | Y. Nagata, S. Mizusaki, A. Douzono, Tadashi C. Ozawa, Y. Noro, T. Ohnishi |
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| Rok vydání: | 2013 |
| Předmět: |
Condensed Matter::Quantum Gases
Materials science Condensed matter physics Magnetoresistance Mechanical Engineering Alloy Metals and Alloys engineering.material Metal Condensed Matter::Materials Science Magnetization Mechanics of Materials Electrical resistivity and conductivity visual_art Materials Chemistry visual_art.visual_art_medium engineering Antiferromagnetism Condensed Matter::Strongly Correlated Electrons Kondo effect Metal–insulator transition |
| Zdroj: | Journal of Alloys and Compounds. 553:389-394 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2012.12.008 |
| Popis: | We report the composition-induced metal–insulator crossover transition in Ti substituted Ru-based metallic full Heusler alloy Ru2MnGe where the both end of materials shows a metallic properties. The samples at the middle composition show the large negative magnetoresistance effect. The experimental results of the resistivity and the magnetization indicate that this metal–insulator transition is induced by the Kondo effect because Ti atoms on antiferromagnetic Ru2MnGe have an important role in appearance of insulator states. |
| Databáze: | OpenAIRE |
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