Strain tunable electronic ground states in two-dimensional iridate thin films
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arXiv
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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909127953874944 |
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| author | Kim, Donghan Sohn, Byungmin Lee, Yeonjae Song, Jeongkeun Kim, Mi Kyung Kim, Minjae Noh, Tae Won Kim, Changyoung |
| author_facet | Kim, Donghan Sohn, Byungmin Lee, Yeonjae Song, Jeongkeun Kim, Mi Kyung Kim, Minjae Noh, Tae Won Kim, Changyoung |
| contents | Quantum phases of matter such as superconducting, ferromagnetic and Wigner crystal states are often driven by the two-dimensionality (2D) of correlated systems. Meanwhile, spin-orbit coupling (SOC) is a fundamental element leading to nontrivial topology which gives rise to quantum phenomena such as the large anomalous Hall effect and nontrivial superconductivity. However, the search for controllable platforms with both 2D and SOC has been relatively overlooked so far. Here, we control and study the electronic ground states of iridate ultrathin films having both 2D and SOC by angle-resolved photoemission spectroscopy (ARPES) and dynamical mean field theory (DMFT) calculations. The metallicity of SrIrO$_3$ ultrathin films is controlled down to a monolayer by dimensional and strain manipulation. Our results suggest that the iridate ultrathin films can be a controllable 2D SOC platform exhibiting a variety of phenomena for future functional devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_02734 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Strain tunable electronic ground states in two-dimensional iridate thin films Kim, Donghan Sohn, Byungmin Lee, Yeonjae Song, Jeongkeun Kim, Mi Kyung Kim, Minjae Noh, Tae Won Kim, Changyoung Strongly Correlated Electrons Materials Science Quantum phases of matter such as superconducting, ferromagnetic and Wigner crystal states are often driven by the two-dimensionality (2D) of correlated systems. Meanwhile, spin-orbit coupling (SOC) is a fundamental element leading to nontrivial topology which gives rise to quantum phenomena such as the large anomalous Hall effect and nontrivial superconductivity. However, the search for controllable platforms with both 2D and SOC has been relatively overlooked so far. Here, we control and study the electronic ground states of iridate ultrathin films having both 2D and SOC by angle-resolved photoemission spectroscopy (ARPES) and dynamical mean field theory (DMFT) calculations. The metallicity of SrIrO$_3$ ultrathin films is controlled down to a monolayer by dimensional and strain manipulation. Our results suggest that the iridate ultrathin films can be a controllable 2D SOC platform exhibiting a variety of phenomena for future functional devices. |
| title | Strain tunable electronic ground states in two-dimensional iridate thin films |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2403.02734 |