Zobrazeno 1 - 10
of 220
pro vyhledávání: '"V.S. Sastry"'
Publikováno v:
Vacuum. 86:1380-1386
SnO 2− x films were prepared by reactive thermal and e-beam evaporation of Sn on alumina substrates and by post deposition thermal treatment. X-ray diffraction measurements found that films are tin dioxide (SnO 2 ) phase with small amounts of SnO p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::235fb5d2f0ca4223c839e522f59790b2
https://doi.org/10.1016/j.vacuum.2012.01.007
https://doi.org/10.1016/j.vacuum.2012.01.007
Publikováno v:
Journal of Non-Crystalline Solids. 355:2289-2294
Zirconium tungstate Zr(WO4)2 exhibits irreversible amorphization at high pressure. Upon heating, the pressure-amorphized phase transforms into different phase/phases depending on the pressure applied during heating. Transformation of pressure-amorphi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a821f0af46eb93adf8b0456a2c151d5
https://doi.org/10.1016/j.jnoncrysol.2009.07.019
https://doi.org/10.1016/j.jnoncrysol.2009.07.019
Autor:
K. Prasad Rao, V.S. Sastry, K.V.G.K. Murty, T.G. Prabhakar, T.S. Sampath Kumar, N. Rameshbabu
Publikováno v:
Journal of Biomedical Materials Research Part A. :581-591
The silver (0.5–3 at %) substituted nanosize hydroxyapatites (AgHAs) were synthesized by microwave processing. The X-ray diffraction (XRD) peaks are very broad, indicating that the AgHAs were of nanosize (30 nm). Transmission electron microscopy an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e4860e3652b8ca38515197ed59cf1f7
https://doi.org/10.1002/jbm.a.30958
https://doi.org/10.1002/jbm.a.30958
Publikováno v:
Surface Science. 600:2762-2765
The transformation of Co/Si to CoSi 2 /Si in the temperature range of 300–1170 K has been investigated using depth-resolved positron annihilation and Glancing incidence X-ray diffraction (GIXRD). The different silicide phases formed are identified
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93baaa4e7df200bcb300b6961a2c4404
https://doi.org/10.1016/j.susc.2006.04.043
https://doi.org/10.1016/j.susc.2006.04.043
Publikováno v:
Journal of Nuclear Materials. 312:249-256
A polymeric gel combustion method was employed for the lower temperature synthesis of 1, 2, 3, 5, 7.5, 10 and 15 mol.% SrO doped ThO2 solid solutions. After final sintering of these samples at 1573 K in Ar, the solubility limit was found to be 1 mol.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c428e9868a734fa728f39d5b6a4b17a
https://doi.org/10.1016/s0022-3115(02)01648-3
https://doi.org/10.1016/s0022-3115(02)01648-3
Publikováno v:
Journal of Alloys and Compounds. 289:L1-L5
A single phase intermetallic compound Ti 3 Al having DO 19 structure (hexagonal) was hydrogenated by cathodic charging. The structure was monitored by X-ray diffraction (XRD) at different charging times. The XRD results were analyzed by Rietveld refi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88c8a63fd6ff13f462dc54ae2d4eff2c
https://doi.org/10.1016/s0925-8388(99)00097-3
https://doi.org/10.1016/s0925-8388(99)00097-3
Publikováno v:
IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part C. 19:110-118
Recent industry specifications JESD22-A112 and IPC-SM-786A have identified a set of moisture sensitivity levels for classification of moisture/reflow sensitive devices. The established test conditions are meant to represent average worst-case factory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfbabf3053dd0b3bfd2b2d8dff3c4148
https://doi.org/10.1109/3476.507147
https://doi.org/10.1109/3476.507147
Autor:
D. McK. Paul, K. Sethupathi, M. Pattabiraman, V.S. Sastry, Geetha Balakrishnan, S. Angappane, Martin R. Lees, G Rangarajan
Publikováno v:
Journal of Magnetism and Magnetic Materials. :1807-1809
The paramagnetic g -value and linewidth of Nd 0.5 Sr 0.5 MnO 5 single crystal show the presence of spin clusters in the paramagnetic state. The anisotropy field splits the spectra below 250 K ( T C ). An A-type antiferromagnetic phase ( T N ∼ 225 K
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72433a887e6b5f566a478bdb0c6f149c
https://doi.org/10.1016/j.jmmm.2003.12.1124
https://doi.org/10.1016/j.jmmm.2003.12.1124
Autor:
S. Arumugam, V.S. Sastry
Publikováno v:
Quality Measurement: The Indispensable Bridge between Theory and Reality (No Measurements? No Science! Joint Conference - 1996: IEEE Instrumentation and Measurement Technology Conference and IMEKO Technical Committee 7. Conference Proceedings.
The Bridgman anvil high pressure clamp cell has been designed and fabricated to measure Tc of high temperature superconducting ceramic samples through ac susceptibility measurements up to 5 GPa. The Tc was measured for YBCO samples.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::becd3c3dd6390aa74e065352ae740060
https://doi.org/10.1109/imtc.1996.507479
https://doi.org/10.1109/imtc.1996.507479
Influence of preheat and maximum temperature of the solder-reflow profile on moisture sensitive IC's
Autor:
V.S. Sastry, R.L. Shook
Publikováno v:
1997 Proceedings 47th Electronic Components and Technology Conference.
The purpose of this work was to determine the influence of preheat and maximum solder reflow temperature on the level of moisture induced damage in plastic surface mount integrated circuits. Both an analytical moisture diffusion model and Finite Elem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fdd1349ff313fb0e2994929958ad460
https://doi.org/10.1109/ectc.1997.606299
https://doi.org/10.1109/ectc.1997.606299