Radial spin texture in elemental tellurium with chiral crystal structure
| Title: | Radial spin texture in elemental tellurium with chiral crystal structure |
|---|---|
| Authors: | Sakano, M., Hirayama, M., Takahashi, T., Akebi, S., Nakayama, M., Kuroda, K., Taguchi, K., Yoshikawa, T., Miyamoto, K., Okuda, T., Ono, K., Kumigashira, H., Ideue, T., Iwasa, Y., Mitsuishi, N., Ishizaka, K., Shin, S., Miyake, T., Murakami, S., Sasagawa, T., Kondo, Takeshi |
| Source: | Phys. Rev. Lett. 124, 136404 (2020) |
| Publication Year: | 2019 |
| Collection: | Condensed Matter |
| Subject Terms: | Condensed Matter - Materials Science |
| More Details: | The chiral crystal is characterized by a lack of mirror symmetry and an inversion center, resulting in the inequivalent right- and left-handed structures. In the noncentrosymmetric crystal structure, the spin and momentum of electrons are locked in the reciprocal space with the help of the spin-orbit interaction. To reveal the spin textures of chiral crystals, here we investigate the spin and electronic structure in p-type semiconductor elemental tellurium with a chiral crystal structure by using spin- and angle-resolved photoemission spectroscopy. Our data demonstrate that the highest valence band crossing the Fermi level has a spin component parallel to the electron momentum around the BZ corners. Significantly, we have also confirmed that the spin polarization is reversed in the crystal with the opposite chirality. The results indicate that the spin textures of the right- and left-handed chiral crystals are hedgehog-like, leading to unconventional magnetoelectric effects and nonreciprocal phenomena. Comment: 15 pages, 4 figures |
| Document Type: | Working Paper |
| DOI: | 10.1103/PhysRevLett.124.136404 |
| Access URL: | http://arxiv.org/abs/1908.09725 |
| Accession Number: | edsarx.1908.09725 |
| Database: | arXiv |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1103/PhysRevLett.124.136404 Subjects: – SubjectFull: Condensed Matter - Materials Science Type: general Titles: – TitleFull: Radial spin texture in elemental tellurium with chiral crystal structure Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sakano, M. – PersonEntity: Name: NameFull: Hirayama, M. – PersonEntity: Name: NameFull: Takahashi, T. – PersonEntity: Name: NameFull: Akebi, S. – PersonEntity: Name: NameFull: Nakayama, M. – PersonEntity: Name: NameFull: Kuroda, K. – PersonEntity: Name: NameFull: Taguchi, K. – PersonEntity: Name: NameFull: Yoshikawa, T. – PersonEntity: Name: NameFull: Miyamoto, K. – PersonEntity: Name: NameFull: Okuda, T. – PersonEntity: Name: NameFull: Ono, K. – PersonEntity: Name: NameFull: Kumigashira, H. – PersonEntity: Name: NameFull: Ideue, T. – PersonEntity: Name: NameFull: Iwasa, Y. – PersonEntity: Name: NameFull: Mitsuishi, N. – PersonEntity: Name: NameFull: Ishizaka, K. – PersonEntity: Name: NameFull: Shin, S. – PersonEntity: Name: NameFull: Miyake, T. – PersonEntity: Name: NameFull: Murakami, S. – PersonEntity: Name: NameFull: Sasagawa, T. – PersonEntity: Name: NameFull: Kondo, Takeshi IsPartOfRelationships: – BibEntity: Dates: – D: 26 M: 08 Type: published Y: 2019 |
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