From Mott insulator to ferromagnetic metal: A pressure study of Ca2RuO4
Physical Review B - Condensed Matter and Materials Physics Volume 65 Issue 22
Page 220402-1-220402-4
published_at 2002-05-23
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| File | |
| Title ( eng ) |
From Mott insulator to ferromagnetic metal: A pressure study of Ca2RuO4
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| Creator |
Nakamura Fumihiko
Goko Tatsuo
Ito Masakazu
Fujita Toshizo
Nakatsuji Satoru
Fukazawa Hideto
Maeno Yoshiteru
Alireza Patricia
Forsythe Dominic
Julian Stephen R.
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| Source Title |
Physical Review B - Condensed Matter and Materials Physics
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| Volume | 65 |
| Issue | 22 |
| Start Page | 220402-1 |
| End Page | 220402-4 |
| Abstract |
We show that the pressure-temperature phase diagram of the Mott insulator Ca2RuO4 features a metalinsulator transition at 0.5 GPa: at 300 K from paramagnetic insulator to paramagnetic quasi-two-dimensional metal, and at T<12 K from antiferromagnetic insulator to ferromagnetic, highly anisotropic, threedimensional metal. We compare the metallic state to that of the structurally related p-wave superconductor Sr2RuO4, and discuss the importance of structural distortions, which are expected to couple strongly to pressure.
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Physical Society
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| Date of Issued | 2002-05-23 |
| Rights |
Copyright (c) 2002 American Physical Society.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.65.220402
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.61.107
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