Zobrazeno 1 - 10
of 12
pro vyhledávání: '"R. K. Nayar"'
Publikováno v:
Journal of Crystal Growth. 144:97-102
Results of high pressure phase transformations in turbostratic boron nitride (tBN) using magnesium boron nitride as the catalyst-solvent are described. It was observed that turbostratic boron nitride undergoes various structural changes accompanied w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d9a2d74e6d3432723603ca13e086b96
https://doi.org/10.1016/0022-0248(94)90016-7
https://doi.org/10.1016/0022-0248(94)90016-7
Publikováno v:
Physical Review B. 46:3573-3580
The effect of applied pressure on the YBa 2 Cu 4 O 8 (Y 1:2:4) superconductor with a T c of 78 K up to 50 kbar at ambient temperature is studied. It is observed that Y 1:2:4 undergoes a phase transformation resulting in the YBa 2 Cu 3 O 7 (Y 1:2:3) o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49c0b27a69711abb9f3300c7fe3bfa2e
https://doi.org/10.1103/physrevb.46.3573
https://doi.org/10.1103/physrevb.46.3573
Publikováno v:
Journal of Crystal Growth. 112:386-401
Cubic boron nitride (CBN) single crystals have been synthesized employing the BN-Mg system under high pressure and high temperature conditions. During the exploration of the thermodynamically stable CBN growth region it has been found that apart from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcb4d6a39072e330bde8727fe334ea59
https://doi.org/10.1016/0022-0248(91)90314-u
https://doi.org/10.1016/0022-0248(91)90314-u
Publikováno v:
Journal of Materials Science. 26:196-202
The degree of three-dimensional ordering, particle-size distribution and purity of two types of hexagonal boron nitride have been studied with a view to establish any possible correlation between these characteristics with the conversion of hexagonal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1e4c110d2c49996db31fa672822100a
https://doi.org/10.1007/bf00576051
https://doi.org/10.1007/bf00576051
Autor:
S.K. Agarwal, A. V. Narlikar, B. V. Kumaraswamy, V. N. Moorthy, R. K. Nayar, Bhanu Pratap Singh
Publikováno v:
Journal of Materials Science. 25:4630-4633
Results on the pressure dependence of the transition temperatureT c and the resistancetemperature behaviour of Bi2Ca1 Sr2Cu2Ox compound are presented. Both the onsetT c and theT c (R = O) are found to decrease with increasing pressure in the 0 to 50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c574e80a6c0b401cc6aa39dc8edd0a7b
https://doi.org/10.1007/bf01129917
https://doi.org/10.1007/bf01129917
Publikováno v:
Journal of Materials Science Letters. 13:73-75
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28916608de443008d430ff9f3573d193
https://doi.org/10.1007/bf02352925
https://doi.org/10.1007/bf02352925
Publikováno v:
Journal of Materials Science. 21:4347-4351
Cubic boron nitride (cBN) powder was compacted at high pressure and high temperature using a solid solution of titanium carbide and titanium nitride (TiC x N1−x ) as binding material in the presence of a small amount of aluminium. Different composi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d6d46d17de03d3f55c9aea422a1b568
https://doi.org/10.1007/bf01106554
https://doi.org/10.1007/bf01106554
Publikováno v:
Canadian Journal of Chemistry. 48:3716-3720
The dielectric constant values for many substances have been determined at a frequency of 1 MHz by the method discussed in the paper. In some cases, these values have also been determined by other commonly used methods and show a good agreement.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7acc3ca9ff8c2cec9a7a1c0140bca6f9
https://doi.org/10.1139/v70-620
https://doi.org/10.1139/v70-620
Publikováno v:
Journal of Materials Science Letters. 7:708-710
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc3d68aba9e49c01f118b13f14b6e7b5
https://doi.org/10.1007/bf00722075
https://doi.org/10.1007/bf00722075
Publikováno v:
Chemischer Informationsdienst. Organische Chemie. 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99f4346979dd69eed66667d8f1c7359a
https://doi.org/10.1002/chin.197115073
https://doi.org/10.1002/chin.197115073