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Uranium ditelluride

Names
IUPAC name Bis(tellanylidene)uranium
Other names Uranium(IV) ditelluride; Uranium telluride
Identifiers
CAS Number	12138-37-3
3D model (JSmol)	Interactive image
ECHA InfoCard	100.032.032
EC Number	235-249-6
PubChem CID	82940
CompTox Dashboard (EPA)	DTXSID2065258
InChI InChI=1S/2Te.UKey: NXLGIFZSJFTWAS-UHFFFAOYSA-N
SMILES ==
Properties
Chemical formula	UTe2
Molar mass	493.2 g/mol
Related compounds
Other anions	Uranium disulfide Uranium diselenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Uranium ditelluride is an inorganic compound with the formula UTe₂. It was discovered to be an unconventional superconductor in 2018.

Superconductivity

Superconductivity in UTe₂ appears to be a consequence of triplet electrons spin-pairing. The material acts as a topological superconductor, stably conducting electricity without resistance even in high magnetic fields. It has superconducting transition temperature at Tc= 2K.

Charge density waves (CDW) and pair density waves (PDW) have been described in UTe₂, with the latest case being the first time it has been described in a p-wave superconductor.

See also

• Distrontium ruthenate a p-wave triplet state superconductor candidate.
• Helium-3 a spin-triplet superfluid
• Ferromagnetic superconductor spin-triplet pairing with coexisting superconductivity and ferromagnetic phases.
• Reentrant superconductivity an effect similar to ferromagnetic superconductivity.

References

1. ^ Seokjin Bae; Hyunsoo Kim; Yun Suk Eo; Sheng Ran; I-lin Liu; Fuhrman, Wesley T.; Paglione, Johnpierre; Butch, Nicholas P.; Anlage, Steven M. (2021). "Anomalous normal fluid response in a chiral superconductor UTe2". Nature Communications. 12 (1): 2644. Bibcode:2021NatCo..12.2644B. doi:10.1038/s41467-021-22906-6. PMC 8113495. PMID 33976162.
   • "Unconventional superconductor acts the part of a promising quantum computing platform". EurekAlert! (Press release). 15 July 2021.
2. Sheng Ran; I-Lin Liu; Yun Suk Eo; Campbell, Daniel J.; Neves, Paul M.; Fuhrman, Wesley T.; Saha, Shanta R.; Eckberg, Christopher; Hyunsoo Kim; Graf, David; Balakirev, Fedor; Singleton, John; Paglione, Johnpierre; Butch, Nicholas P. (2019). "Extreme magnetic field-boosted superconductivity". Nature Physics. 15 (12): 1250–1254. arXiv:1905.04343. Bibcode:2019NatPh..15.1250R. doi:10.1038/s41567-019-0670-x. PMC 8201648. PMID 34131432.
   • "'Lazarus Superconductivity' Observed – Rare Phenomenon Called Re-Entrant Superconductivity". SciTechDaily. October 7, 2019.
3. Rosa, Priscila F. S.; Weiland, Ashley; Fender, Shannon S.; Scott, Brian L.; Ronning, Filip; Thompson, Joe D.; Bauer, Eric D.; Thomas, Sean M. (2022-05-23). "Single thermodynamic transition at 2 K in superconducting UTe2 single crystals". Communications Materials. 3 (1): 33. arXiv:2110.06200. Bibcode:2022CoMat...3...33R. doi:10.1038/s43246-022-00254-2. ISSN 2662-4443. S2CID 248970170.
4. Aishwarya, Anuva; May-Mann, Julian; Raghavan, Arjun; Nie, Laimei; Romanelli, Marisa; Ran, Sheng; Saha, Shanta R.; Paglione, Johnpierre; Butch, Nicholas P.; Fradkin, Eduardo; Madhavan, Vidya (June 2023). "Magnetic-field-sensitive charge density waves in the superconductor UTe2". Nature. 618 (7967): 928–933. arXiv:2207.09491. Bibcode:2023Natur.618..928A. doi:10.1038/s41586-023-06005-8. ISSN 1476-4687. PMID 37380690. S2CID 250698906.
5. Gu, Qiangqiang; Carroll, Joseph P.; Wang, Shuqiu; Ran, Sheng; Broyles, Christopher; Siddiquee, Hasan; Butch, Nicholas P.; Saha, Shanta R.; Paglione, Johnpierre; Davis, J. C. Séamus; Liu, Xiaolong (June 2023). "Detection of a pair density wave state in UTe2". Nature. 618 (7967): 921–927. arXiv:2209.10859. Bibcode:2023Natur.618..921G. doi:10.1038/s41586-023-05919-7. ISSN 1476-4687. PMC 10307636. PMID 37380691.
6. "Breakthrough identifies new state of topological quantum matter | Cornell Chronicle". news.cornell.edu. Retrieved 2023-08-04.
7. "Topological superconductor harbours unusual crystalline state". Physics World. 2023-08-03. Retrieved 2023-08-03.

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