Electronic structure of BaNi2As2
Physical Review B Volume 83 Issue 3
Page 035110-1-035110-8
published_at 2011-01-13
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| File | |
| Title ( eng ) |
Electronic structure of BaNi2As2
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| Creator |
Zhou Bo
Xu Min
Zhang Yan
Xu Gang
He Cheng
Yang L. X.
Chen Fei
Xie B. P.
Cui Xiao-Yu
Arita Masashi
Dai X.
Feng D. L.
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| Source Title |
Physical Review B
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| Volume | 83 |
| Issue | 3 |
| Start Page | 035110-1 |
| End Page | 035110-8 |
| Abstract |
BaNi_2As_2, with a first-order phase transition around 131 K, is studied by the angle-resolved photoemission spectroscopy. The measured electronic structure is compared to the local-density approximation calculations, revealing similar large electronlike bands around M^^- and differences along Г^^- -X^^-. We further show that the electronic structure of BaNi_2As_2 is distinct from that of the sibling iron pnictides. Particularly, there is no signature of band folding, indicating no collinear spin-density-wave-related magnetic ordering. Moreover, across the strong first-order phase transition, the band shift exhibits a hysteresis, which is directly related to the significant lattice distortion in BaNi_2As_2.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 2011-01-13 |
| Rights |
Copyright (c) 2011 The 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.83.035110
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.83.035110
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