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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.17081 |
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| _version_ | 1866917027019489280 |
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| author | Gu, Ya-Dong Yuan, Ji-Hai Ren, Zhi-An |
| author_facet | Gu, Ya-Dong Yuan, Ji-Hai Ren, Zhi-An |
| contents | A false zero resistance behavior was observed during our study on the search of superconductivity in Ge-doped GaNb4Se8. This zero resistance was proved to be caused by open-circuit in multi-phase samples comprised of metals and insulators by measuring with four-probe method. The evidence strongly suggests that the reported superconductivity in hydrides should be carefully re-checked. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_17081 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Zero resistance when metals mixed with insulators Gu, Ya-Dong Yuan, Ji-Hai Ren, Zhi-An Superconductivity Materials Science A false zero resistance behavior was observed during our study on the search of superconductivity in Ge-doped GaNb4Se8. This zero resistance was proved to be caused by open-circuit in multi-phase samples comprised of metals and insulators by measuring with four-probe method. The evidence strongly suggests that the reported superconductivity in hydrides should be carefully re-checked. |
| title | Zero resistance when metals mixed with insulators |
| topic | Superconductivity Materials Science |
| url | https://arxiv.org/abs/2510.17081 |