By M. Neuberger
This document was once ready through Hughes plane corporation, Culver urban, California below agreement No. F33615-70-C-1348. The paintings was once administered less than the path of the Air strength fabrics Laboratory, Air strength platforms Cornrnand, Wright-Patterson Air strength Base, Ohio, with Mr. B. Emrich, undertaking Engineer. The digital homes info heart (EPIC) is a chosen inforrnation research middle of the Departrnent of safeguard, licensed to supply inforrnation to the total DoD cornrnunity. the aim of the guts is to supply a hugely powerfuble resource of inforrnation and knowledge at the digital, optical and magnetic houses of fabrics of price to the dep. of safeguard. Its significant functionality is to guage, collect and submit the experimental information from the world's unclassified literature considering the homes of fabrics. All fabrics proper to the sphere of electronics are in the scope of EPIC: insulators, semiconductors, metals, superconductors, ferrites, ferroelectrics, ferromagnetics, electro luminescents, therrnionic emitters and optical fabrics. The Center's scope contains inforrnation on over a hundred simple homes of fabrics; info more often than not considered as being within the sector of units and/or circuitry is excluded. thankful acknowledgement is made for the overview and reviews of Dr. G. D. Cody of RCA Laboratories and Dr. B. W. Roberts of basic electrical Co. V CONTENTS creation •. . ••••. . . ••••. . . . . . •• 1 Superconductivity purposes •••• three Niobium-Hydrogen •. . ••. •. ••. ••. . •• 15 Niobium-Antimony. • . . . • . • • • • . • • . • • .
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Revolinsky et a l . 2 Beerntsen et al. C Beerntsen et al . single crystal NbSe 2 single crystal, calc. from reflectivity meas. OK Bachmann et al. Van Maaren & Harland Bachmann et al. * Van Maar en & Harland 10- 6emu W/cm °K n wavelength 1. 545 1. 784 0 . 590 Beernt s en et al. II c 7 300 <150-300 llil-cm/"K mJ/mol-°K 2 Brixner Revolinsky et al. kOe 10 2A/cm 2 single crystals of both forms are prepared by iodine transport NbSe 2 15 Debye Ternp. 15-5 . 62 p NOTES hexagonal T c Electrical Res istivity CRYSTAL TEMP.
806 bo 4.. 3 monoclinic electron-beam melted Bucher et al. C Ritter et al. 2 40 mJ/mol-°K 2 40 OK 40 10 -7 electron- beam melted Buch er et al. arc-melted, high purity Sadagopan & Ga tos emu c Buch er et al. 245 Bucher et al. F 0 Buch er et al. F Buch er et al. 40 54 c NIOBIUM RUTHENIUM PROPERTY CRYSTAL DATA TEMP. c. c. 5 10 20 30 38 40 Bucher et al . % Pd 9. 6 Electrical Resistivity 24 Electronic Specific Heat OK 333 Magnetic Susceptibility 5 Xg Hardness 130 10 -7 emu kg/mm 2 NOT ES RE FE RENCES c a-Mn Buch er et al.
Neshpor & Samsonov Nb 5Si 3 oc Ulyanov & Tarasov Samsonov et al. Neshpor & Samsonov Neshpor & Samsonov, Samsonov et al. 7 20 sintered 16oo•c Deardorff et al. Kieffer et al. B sintered 1600°C Kieffer et al. B Deardorff et al. Nb 3Si Nb 5Si 3 NbSi 2 1930 Hardness pressed powder, Kieffer et al. 26 Melting Point Cr 5B3 NbSi 2 14 . 4 Density REFERENCES powder pellets, Galasso & Pyle * heated, 140 hrs. 1100°C arc-melted in He Deardorff et al. tetragonal tetr. 64 11n-cm 52 94 dp/dT TEMP. (°C) cubic, cu3Au co 0 Temperature Coefficient DATA~ 5 .