Abstract
The gigantic reduction of the electric resistivity under the applied magnetic field, CMR (colossal magneto-resistance) effect, is now widely accepted to appear in the vicinity of the insulator to metal transition of the perovskite manganites. Recently, we have discovered the first order transition from ferromagnetic metal to insulator in La0.88Sr0.12MnO3 of the CMR manganite. This phase transition induces the tremendous increase of the resistivity under the external magnetic field just near above the phase transition temperature. We report fairly detailed results from the systematic experiments including neutron and synchrotron X-ray scattering studies.
| Original language | English |
|---|---|
| Pages (from-to) | 151-158 |
| Number of pages | 8 |
| Journal | Materials Science and Engineering B: Solid-State Materials for Advanced Technology |
| Volume | 63 |
| Issue number | 1 |
| DOIs | |
| State | Published - Aug 16 1999 |
| Externally published | Yes |
| Event | Proceedings of the 1998 7th NEC Symposium on Fundamental Approaches to New Material Phases: Phase Control in Spin-Charge-Orbital Complex Systems - Nasu, Jpn Duration: Oct 11 1998 → Oct 15 1998 |
Funding
We acknowledge the dedicating assistance of A. Nishizawa, M. Onodera in the single crystal preparation of manganese oxides. They also thank Y. Tokura, G. Shirane, N. Nagaosa, D.E. Cox, M. Blume for their stimulating discussions throughout the present work. This work has partly been supported by a Grant in Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan in addition to the Core Research for Evolutional Science and Technology (CREST) by the Japan Science Technology Corporation.
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