Emergence of superconductivity in (NH3)y MxMoSe2 (M: Li, Na and K)

Scientific Reports

Volumn 6, Issue , 2016, Pages

  Miao, Xiao ^a   Nishiyama, Saki ^a   Zheng, Lu ^a   Goto, Hidenori ^a   Eguchi, Ritsuko ^a   Ota, Hiromi ^a   Kambe, Takashi ^a   Terashima, Kensei ^a   Yokoya, Takayoshi ^a   Nguyen, Huyen T L ^b   Kagayama, Tomoko ^b   Hirao, Naohisa ^c   Ohishi, Yasuo ^c   Ishii, Hirofumi ^d   Liao, Yen Fa ^d   Kubozono, Yoshihiro ^a  

^a OKAYAMA UNIVERSITY   (Japan)

^b OSAKA UNIVERSITY   (Japan)

^c JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE   (Japan)

^d NATIONAL SYNCHROTRON RADIATION RESEARCH CENTER   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84978406278     PISSN: None     EISSN: 20452322     Source Type: Journal    
DOI: 10.1038/srep29292     Document Type: Article

References (23)

1. Kamihara, Y., Watanabe, T., Hirano, M. & Hosono, H. Iron-based layered superconductor La[O1-xFx]FeAs (x = 0.05-0.12) with Tc = 26 K. J. Am. Chem. Soc. 130, 3296-297 (2008).
2. Rotter, M., Tagel, M. & Johrendt D. Superconductivity at 38 K in the iron arsenide (Ba1-xKx)Fe2As2. Phys. Rev. Lett. 101, 107006 (2008).
3. Hsu, F. C. et al. Superconductivity in the PbO-type structure a-FeSe. PNAS 105, 14262-14264 (2008).
4. Chen, X. H. et al. Superconductivity at 43 K in SmFeAsO1-xFx. Nature 453, 761-762 (2008).
5. Ying, T. P. et al. Observation of superconductivity at 30~46 K in AxFe2Se2 (A = Li, Na, Ba, Sr, Ca, Yb, and Eu). Sci. Rep. 2, 426 (2012).
6. Burrard Lucas, M. et al. Enhancement of the superconducting transition temperature of FeSe by intercalation of a molecular spacer layer. Nat. Mater. 12, 15-19 (2013).
7. Zheng, L. et al. Superconductivity in (NH3)yCs0.4FeSe. Phys. Rev. B 88, 094521 (2013).
8. Zheng, L. et al. Emergence of multiple superconducting phases in (NH3)yMxFeSe (M: Na and Li). Sci. Rep. 5, 12774 (2015).
9. Izumi, M. et al. Emergence of double-dome superconductivity in ammoniated metal-doped FeSe. Sci. Rep. 5, 9477 (2015).
10. Sun, L. L. et al. Re-emerging superconductivity at 48 kelvin in iron chalcogenides. Nature 483, 67-69 (2012).
11. Ye, J. T. et al. Superconducting dome in a gate-tuned band insulator. Science 338, 1193-1196 (2012).
12. Taniguchi, K., Matsumoto, A., Shimotani, H. & Takagi, H. Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2. Appl. Phys. Lett. 101, 042603 (2012).
13. Radisavljevic, B., Radenovic, A., Brivio, J., Giacometti, V. & Kis, A. Single-layer MoS2 transistors. Nat. Nanotechnol. 6, 147-150 (2011).
14. Kim, S. et al. High-mobility and low-power thin-film transistors based on multilayer MoS2 crystals. Nat. Commun. 3, 1011 (2012).
15. Subba Rao, G. V., Shafer, M. W., Kawarazaki, S. & Toxen, A. M. Superconductivity in alkaline earth metal and Yb intercalated group VI layered dichalcogenides. J. Solid State Chem. 9, 323-329 (1974).
16. Woollam, J. A. & Somoano, R. B. Physics and chemistry of MoS2 Intercalation compounds. Mater. Sci. Engineer. 31, 289-295 (1977).
17. Shi, W. et al. Superconductivity series in transition metal dichalcogenides by ionic gating. Sci. Rep. 5, 12534 (2015).
18. Agarwal, M. K., Patel, P. D. & Joshi, R. M. Growth conditions and structural characterization of MoSexTe2-x (0 ≤ × ≤ 2) single crystals. J. Mater. Sci. Lett. 5, 66-68 (1986).
19. Le Berre, F. et al. Rare-earth doping of the Mo3Se4 superconductor. Physica. B 228, 261-271 (1996).
20. Paris, E. et al. Temperature dependent local atomic displacements in ammonia intercalated iron selenide superconductor, Sci. Rep. 6, 27646 (2016).
21. Zhang, R. et al. Superconductivity in potassium-doped metallic polymorphs of MoS2, Nano Lett. 16, 629-636 (2015).
22. Tongay, S. et al. Thermally driven crossover from indirect toward direct bandgap in 2D semiconductors: MoSe2 versus MoS2. Nano Lett. 12, 5576-5580 (2012).
23. Bougouma, M. et al. Growth and characterization of large, high quality MoSe2 single crystals. J. Cryst. Growth 363, 122-127 (2013).