Superconductivity at 25.5K in electron-doped layered hafnium nitride

Nature

Volumn 392, Issue 6676, 1998, Pages 580-582

  Yamanaka, Shoji ^a,b   Hotehama, Ken Ichi ^a   Kawaji, Hitoshi ^a  

^a HIROSHIMA UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER; HAFNIUM;

ARTICLE; CONDUCTANCE; CRYSTAL STRUCTURE; ELECTRIC CONDUCTIVITY; ELECTRON TRANSPORT; OXIDATION REDUCTION REACTION; PRIORITY JOURNAL;

CRYSTAL STRUCTURE; DOPING (ADDITIVES); ELECTRIC CONDUCTIVITY MEASUREMENT; ELECTRONS; HAFNIUM COMPOUNDS; INTERCALATION COMPOUNDS; MAGNETIC PERMEABILITY MEASUREMENT; SUPERCONDUCTING TRANSITION TEMPERATURE; VAN DER WAALS FORCES; X RAY POWDER DIFFRACTION;

ELECTRON DOPING; FOUR PROBE METHOD; HAFNIUM NITRIDE; VAN DER WAALS INTERACTION;

SUPERCONDUCTIVITY;

EID: 0032498964     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/33362     Document Type: Article

References (18)

1. Whitingham, M. S. & Jacobson, A. J. (eds) Intercalation Chemistry (Academic, New York, 1982).
2. Dresselhaus, M. S. New directions in intercalation research. Mol. Cryst. Liq. Cryst. 244, 1-12 (1994).
3. Cava, R. J. Structural chemistry and the local charge picture of copper oxide superconductors. Science 247, 656-662 (1990).
4. 60. Springer Proc. Phys. 81, 172-185 (1996).
5. xZrNCl. Adv. Mater. 9, 771-774 (1996).
6. Ohashi, M., Yamanaka, S., Sumihara, M. & Hattori, M. Novel synthesis of the layer structured β-ZrNCl by the direct reaction of zirconium metal or zirconium hydride with ammonium chloride. J. Solid State Chem. 75, 99-104 (1988).
7. Ohashi, M., Yamanaka, S. & Hattori, M. Chemical vapor transport of layer structured crystal β-ZrNCl. J. Solid State Chem. 77, 342-347 (1988).
8. Juza, R. & Heners, J. Über Nitridhalogenide des Titans and Zircons. Z. Anorg. Allg. Chem. 332, 159-172 (1964).
9. Juza, R. & Friedrichsen, H. Die Kristallstruktur von β-ZrNCl und β-ZrNBr. Z. Anorg. Allg. Chem. 332, 173-178 (1964).
10. 2. Phys. Rev. Lett. 77, 374-377 (1996).
11. Ohashi, M., Yamanaka, S. & Hattori, M. Preparation and electrical conductivities of layer structured crystals ZrNX (X=Br, I). J. Ceram. Soc. Jpn Int. Edn 97, 1175-1181 (1989).
12. xZrNCl (A=Li, Na, K). Chem. Mater. 9, 2127-2130 (1997).
13. 3 and the related phase LaNiBN. Nature 372, 759-761 (1994).
14. Schöllhorn, R. in Intercalation Chemistry (eds Whittingham, M. S. & Jacobson, A. J.) 315-360 (Academic, New York, 1982).
15. 2 (0 ≤ y ≤ 2) from powder X-ray diffraction measurements. J. Less-Common Met. 84, 327-347 (1982).
16. Ohashi, M., Uyeoka, K., Yamanaka, S. & Hattori, M. Co-intercalation of terahydrofuran and propylene carbonate with alkali metals in β-ZrNCl layer structured crystal. Bull. Chem. Soc. Jpn 64, 2814-2818 (1991).
17. Roberts, B. W. Survey of superconductive materials and critical evaluation of selected properties. J. Phys. Chem. Ref. Data 5, 581-795 (1976).
18. Pessall, N. & Hulm, J. K. Superconducting alloys of interstitial compounds. Physics 2, 311-328 (1966).