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By Bernd T. Matthias, E. Corenzwit (auth.), H. R. Ott (eds.)
The unforeseen and accordingly rather remarkable discovery of J. G. Bednorz and okay. A. R32 Miiller , that sure oxide compounds input a superconducting nation at temperatures above 30 ok driven study on superconductivity into the limelight of technological know-how often in a fashion that appeared reserved for your time for high-energy or particle physics purely. the typical curiosity used to be then much more aroused whilst next paintings relatively quick verified that during an analogous category of compounds (oxides), severe temperatures of superconductivity above R36 the boiling aspect of nitrogen can be accomplished . it could actually consequently be anticipated, that this whole evaluation might exclusively take care of superconductivity at excessive temperatures, i. e. , above the boiling aspect of hydrogen. From my perspective, besides the fact that, any unforeseen prevalence of superconductivity is a problem to scientists both within the physics of this phenomenon or in its materials-science facets. during this admire, the final ten years were particularly innovative within the experience that on numerous events, superconductivity used to be found in fabrics whose actual homes weren't evidently beneficial for adopting this floor kingdom. this era all started with the commentary that homogeneous coexistence of superconductivity and magnetic order within the similar fabric used to be attainable. Later it used to be discovered that electrons whose potent mass used to be vastly improved by means of magnetic interactions, can also shape a superconducting country, specifically in fabrics that have been as a consequence pointed out as heavy electron superconductors.
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Additional info for Ten Years of Superconductivity: 1980–1990
Some of these phenomena are traced back to the anomalously small coherence length which, for all directions of the crystal lattice are of the order of interatomic distances or less. g. melting) were madeR38 ,R39. Again, an important role is played by the anisotropy of the relevant parameters like the coherence lengths and the penetration depths. This lack of flux pinning at higher temperatures also makes an evaluation of He2 close to Te, the only accessible field range for destroying superconductivity today, from M(R) curves quite impossible.
Splittgerber-Hiinnekes and G. Giintherodt, Solid State Commun. 76, 511 (1990) 47 Reprinted Articles Proc . \'011. Acad. Sci. l'SA Vol. i~. ~. pp. 3~-1315, April 1977 Ph~'sics High superconducting transition temperatures of new rare earth ternary borides (r erroma gn etis mj supercond uclors) BER:-m T. ~LnTHIAS*, Bell Lal:>oratories, ~1ur:ay E. CORE~ZWIT, J. M. VANDENBERG, A~D H. E. BARZ Hill. Cf A new group of ternary borides has been found that show either ferromagnetism or superconductivity. Their Table 1.
Ruckenstein Phys. Rev. Lett. 63, 1996 (1989) 144. AI. S. I. Bartlett, Z. W. D. B. Yang, R. Liu, C. W. Z. Liu, AP. Paulikas, K. Vandervoort, H. C. E. D. Shinn, Phys. Rev. B 40, 22(:i8 (1989) 145. E. Pickett, Rev. Mod. Phys. 61,433 (1989) 146. L. M. L. L. C. M. Miiller, Proc. 3rd Int. Symp. on Superconductivity Sendai, November 1990 (Springer) in print. 147. B. M. Varma and E. Abrahams, Phys. Rev. Lett. 63,2602 (1989) 148. R. G. Zhang, Phys. Rev. B 39, 11663 (1989) 149. A Miiller, Z. Phys. B 80, 193 (1990) 46 150.
Ten Years of Superconductivity: 1980–1990 by Bernd T. Matthias, E. Corenzwit (auth.), H. R. Ott (eds.)