Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface
<p dir="ltr">In two-dimensional (2D) limit, the quantum fluctuation is significantly enhanced which could induce a quantum phase transition. Investigating the quantum criticality is an effective approach to elucidate the underlying physics of 2D superconductivity. Here we report the...
Αποθηκεύτηκε σε:
| Κύριος συγγραφέας: | |
|---|---|
| Άλλοι συγγραφείς: | , , , , |
| Έκδοση: |
2025
|
| Θέματα: | |
| Ετικέτες: |
Προσθήκη ετικέτας
Δεν υπάρχουν, Καταχωρήστε ετικέτα πρώτοι!
|
| _version_ | 1851481279022759936 |
|---|---|
| author | Jia Liu (22540577) |
| author2 | Long Cheng (22584708) Ming yue zhang (22584713) Junkun zha (22584716) Fei Ye (22584717) Xiaofang Zhai (22584720) |
| author2_role | author author author author author |
| author_facet | Jia Liu (22540577) Long Cheng (22584708) Ming yue zhang (22584713) Junkun zha (22584716) Fei Ye (22584717) Xiaofang Zhai (22584720) |
| author_role | author |
| dc.creator.none.fl_str_mv | Jia Liu (22540577) Long Cheng (22584708) Ming yue zhang (22584713) Junkun zha (22584716) Fei Ye (22584717) Xiaofang Zhai (22584720) |
| dc.date.none.fl_str_mv | 2025-11-08T13:30:58Z |
| dc.identifier.none.fl_str_mv | 10.6084/m9.figshare.30508214.v2 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/dataset/_b_Observation_of_Quantum_Criticality_Class_Crossover_at_the_LaAlO_b_sub_strong_3_strong_sub_b_KTaO_b_sub_strong_3_strong_sub_b_b_b_111_Interface_b_sub_strong_3_strong_sub_b_KTaO_b_sub_strong_3_strong_sub_b_b_b_111_Interface_b_sub_strong_3_/30508214 |
| dc.rights.none.fl_str_mv | CC BY 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Electronic and magnetic properties of condensed matter; superconductivity interface superconductor quantum criticality |
| dc.title.none.fl_str_mv | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| dc.type.none.fl_str_mv | Dataset info:eu-repo/semantics/publishedVersion dataset |
| description | <p dir="ltr">In two-dimensional (2D) limit, the quantum fluctuation is significantly enhanced which could induce a quantum phase transition. Investigating the quantum criticality is an effective approach to elucidate the underlying physics of 2D superconductivity. Here we report the observation of different universality classes of quantum criticality at the superconducting <a href="" target="_blank">LaAlO<sub>3</sub>/KTaO<sub>3</sub></a> (111) interface, i.e. the normal quantum Griffiths singularity (QGS) and the anomalous QGS. The switch of the quantum criticality class is observed from the normal QGS in a lower <i>T</i><sub>c</sub> sample with weaker spin-orbit coupling (SOC) to the anomalous QGS in a higher <a href="" target="_blank"><i>T</i><sub>c</sub> sample</a> with stronger SOC. Moreover, owing to the remarkable SOC strength, the higher <i>T</i><sub>c</sub> sample exhibits<a href="" target="_blank"> an </a>unprecedentedly enhanced quantum fluctuation at an unusually elevated temperature approaching the Berezinskii-Kosterlitz-Thouless (BKT) transition temperature <i>T</i><sub>BKT</sub>. This work provides comprehensive recognition of the different quantum criticality classes in the same superconducting <a href="" target="_blank">LaAlO<sub>3</sub>/KTaO<sub>3</sub></a> (111) system, which deepens the understanding of the superconducting mechanism of interfacial superconductors.</p> |
| eu_rights_str_mv | openAccess |
| id | Manara_a93f20dffa628e5513d787e89be7930c |
| identifier_str_mv | 10.6084/m9.figshare.30508214.v2 |
| network_acronym_str | Manara |
| network_name_str | ManaraRepo |
| oai_identifier_str | oai:figshare.com:article/30508214 |
| publishDate | 2025 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY 4.0 |
| spelling | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) InterfaceJia Liu (22540577)Long Cheng (22584708)Ming yue zhang (22584713)Junkun zha (22584716)Fei Ye (22584717)Xiaofang Zhai (22584720)Electronic and magnetic properties of condensed matter; superconductivityinterface superconductorquantum criticality<p dir="ltr">In two-dimensional (2D) limit, the quantum fluctuation is significantly enhanced which could induce a quantum phase transition. Investigating the quantum criticality is an effective approach to elucidate the underlying physics of 2D superconductivity. Here we report the observation of different universality classes of quantum criticality at the superconducting <a href="" target="_blank">LaAlO<sub>3</sub>/KTaO<sub>3</sub></a> (111) interface, i.e. the normal quantum Griffiths singularity (QGS) and the anomalous QGS. The switch of the quantum criticality class is observed from the normal QGS in a lower <i>T</i><sub>c</sub> sample with weaker spin-orbit coupling (SOC) to the anomalous QGS in a higher <a href="" target="_blank"><i>T</i><sub>c</sub> sample</a> with stronger SOC. Moreover, owing to the remarkable SOC strength, the higher <i>T</i><sub>c</sub> sample exhibits<a href="" target="_blank"> an </a>unprecedentedly enhanced quantum fluctuation at an unusually elevated temperature approaching the Berezinskii-Kosterlitz-Thouless (BKT) transition temperature <i>T</i><sub>BKT</sub>. This work provides comprehensive recognition of the different quantum criticality classes in the same superconducting <a href="" target="_blank">LaAlO<sub>3</sub>/KTaO<sub>3</sub></a> (111) system, which deepens the understanding of the superconducting mechanism of interfacial superconductors.</p>2025-11-08T13:30:58ZDatasetinfo:eu-repo/semantics/publishedVersiondataset10.6084/m9.figshare.30508214.v2https://figshare.com/articles/dataset/_b_Observation_of_Quantum_Criticality_Class_Crossover_at_the_LaAlO_b_sub_strong_3_strong_sub_b_KTaO_b_sub_strong_3_strong_sub_b_b_b_111_Interface_b_sub_strong_3_strong_sub_b_KTaO_b_sub_strong_3_strong_sub_b_b_b_111_Interface_b_sub_strong_3_/30508214CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/305082142025-11-08T13:30:58Z |
| spellingShingle | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface Jia Liu (22540577) Electronic and magnetic properties of condensed matter; superconductivity interface superconductor quantum criticality |
| status_str | publishedVersion |
| title | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| title_full | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| title_fullStr | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| title_full_unstemmed | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| title_short | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| title_sort | Observation of Quantum-Criticality-Class Crossoverat the LaAlO<sub>3</sub>/KTaO<sub>3</sub> (111) Interface |
| topic | Electronic and magnetic properties of condensed matter; superconductivity interface superconductor quantum criticality |