Zone-selection effect of photoelectron intensity distributions in a nonsymmorphic system RAlSi (R : Ce and Nd)
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866912251160559616 |
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| author | Morita, Yusei Nakanishi, K. Iwata, T. Ohwada, K. Nishioka, Y. Kousa, T. Nurmamat, M. Yamagami, K. Kimura, A. Yamada, T. Tanida, H. Kuroda, Kenta |
| author_facet | Morita, Yusei Nakanishi, K. Iwata, T. Ohwada, K. Nishioka, Y. Kousa, T. Nurmamat, M. Yamagami, K. Kimura, A. Yamada, T. Tanida, H. Kuroda, Kenta |
| contents | We investigate the electronic structures of noncentrosymmetric Weyl semimetals RAlSi (R: Ce and Nd) using soft x-ray angle-resolved photoemission spectroscopy. We find that the photoelectron intensity distribution observed in the momentum-resolved electronic bands is highly sensitive to the covered Brillouin zone (BZ) due to the zone-selection effect arising from the nonsymmorphic crystal structure of RAlSi. Our data reconstruct the photoelectron distributions varied according to the zone-selection effect, and reveal comprehensive information about the electronic band structures reproduced by band calculations. This detailed information enables us to experimentally trace the Weyl-cone dispersion throughout three-dimensional momentum space, providing valuable insights into the unique properties of RAlSi. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_04077 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Zone-selection effect of photoelectron intensity distributions in a nonsymmorphic system RAlSi (R : Ce and Nd) Morita, Yusei Nakanishi, K. Iwata, T. Ohwada, K. Nishioka, Y. Kousa, T. Nurmamat, M. Yamagami, K. Kimura, A. Yamada, T. Tanida, H. Kuroda, Kenta Strongly Correlated Electrons Materials Science We investigate the electronic structures of noncentrosymmetric Weyl semimetals RAlSi (R: Ce and Nd) using soft x-ray angle-resolved photoemission spectroscopy. We find that the photoelectron intensity distribution observed in the momentum-resolved electronic bands is highly sensitive to the covered Brillouin zone (BZ) due to the zone-selection effect arising from the nonsymmorphic crystal structure of RAlSi. Our data reconstruct the photoelectron distributions varied according to the zone-selection effect, and reveal comprehensive information about the electronic band structures reproduced by band calculations. This detailed information enables us to experimentally trace the Weyl-cone dispersion throughout three-dimensional momentum space, providing valuable insights into the unique properties of RAlSi. |
| title | Zone-selection effect of photoelectron intensity distributions in a nonsymmorphic system RAlSi (R : Ce and Nd) |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2405.04077 |