Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Gopal, ESR"'
Publikováno v:
IndraStra Global.
The carrier type reversal (CTR) from p- to n-type in semiconducting chalcogenide glasses is an important and a long standing problem in glass science. Ge-Se glasses exhibit CTR when the metallic elements Bi and Pb are added. For example, bulk Ge42-xS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::e1102423bc5ecef561a105cfb3d5dcd7
https://igi.indrastra.com/items/show/207573
https://igi.indrastra.com/items/show/207573
Conjugated polymers are promising materials for electrochromic device technology. Aqueous dispersions of poly(3,4-ethylenedioxythiophene)-(PEDOT) were spin coated onto transparent conducting oxide (TCO) coated glass substrates. A seven-layer electroc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8706cff36d94737c4c5cd994c090bda4
http://eprints.iisc.ernet.in/26064/
http://eprints.iisc.ernet.in/26064/
Autor:
Devika, M, Reddy, Koteeswara N, Reddy, Sreekantha D, Ahsanulhaq, Q, Ramesh, K, Gopal, ESR, Gunasekhar, KR, Hahn, YB
Publikováno v:
IndraStra Global.
The SnS films were grown on glass substrates using the thermal evaporation technique at different substrate temperatures $(T_s)$ varied from 20 to $300 ^0C$, and their physical properties were studied with appropriate techniques. While increasing $T_
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::77a5825d37ea75f49ac5fb9c9689aad9
https://igi.indrastra.com/items/show/205988
https://igi.indrastra.com/items/show/205988
Autor:
Ivanova, ZG, Aneva, Z, Ganesan, R, Tonchev, D, Gopal, ESR, Rao, KSRK, Allen, TW, DeCorby, RG, Kasap, SO
Publikováno v:
IndraStra Global.
The photoluminescence (PL) of a series of (GeS2)(80)(Ga2S3)(20) glasses doped with different amounts of Er (0.17, 0.35, 0.52, 1.05 and 1.39 at.%) at 77 and 4.2 K has been studied. The influence of the temperature on the emission cross-section of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::215c49402a2ad70d8dfb6f0c99b310df
https://igi.indrastra.com/items/show/207671
https://igi.indrastra.com/items/show/207671
Publikováno v:
IndraStra Global.
Tin sulphide films have been deposited with an average thickness of 0.5 mm at different substrate temperatures. The surface structure and electrical resistivity of the films were investigated at room temperature. The surface profiles were examined fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::bcb3c670e370e06c710f4ebb04d34101
http://eprints.iisc.ac.in/11398/1/influence.pdf
http://eprints.iisc.ac.in/11398/1/influence.pdf
Publikováno v:
IndraStra Global.
Photoluminescence (PL) spectroscopy by excitation with 514.5 nm light at 4.2 and 77 K is applied to (GeS2)(80)(Ga2S3)(20): x mol % Er2S3 (x=0.3, 0.6, 0.9, 1.8, 2.1 and 2.4) glasses. The compositional dependence of the PL intensity is determined, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::fdc6db1f3e1eaadc661b4d6bfa66f575
http://eprints.iisc.ac.in/17211/1/Ivanova.pdf
http://eprints.iisc.ac.in/17211/1/Ivanova.pdf
Publikováno v:
IndraStra Global.
Electrical resistivity measurements have been performed on $Cu_xAs_4_0Se_{60-x}$ glasses with x between 0 and 28 at% of Cu. The resistivity of these glasses continuously decreases and saturates at higher quasi-hydrostatic pressures. The pressure deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::94d86c726620eab0b52725b33a9f9e39
http://eprints.iisc.ac.in/6164/1/page236.pdf
http://eprints.iisc.ac.in/6164/1/page236.pdf
Publikováno v:
IndraStra Global.
Bulk $Pb_{x}Ge_{42-x}$ (x= 0, 2.5, 5, 7.5, 9, 10 & 15 at.%) and $Pb_{20}Ge_{y}Se_{80-y}$ (y = 17, 19, 21, 23and 25 at.%) homogeneous glasses have been prepared by melt quenching. The thermal diffusivity has been measured by the photoacoustic techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::be717dd856a4242aaebbb6940fc8809f
https://igi.indrastra.com/items/show/206136
https://igi.indrastra.com/items/show/206136
Publikováno v:
IndraStra Global.
This article reviews the Photoacoustic technique and its application in spectroscopic and calorimetric studies on chalcogenide semiconducting glasses. A detailed analysis of the Photoacoustic (PA) signal production is presented, showing the signal de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::edf117792ac6b858645cce313d5efe08
https://igi.indrastra.com/items/show/204771
https://igi.indrastra.com/items/show/204771
Autor:
Thangaraju, B, Gopal, ESR
Publikováno v:
IndraStra Global.
Physical ultrasonics is a mature field and in this review some branches of the subject are discussed. After a brief introduction, various ultrasonic transducers like piezoelectric, ceramic, capacitive, electromagnetic and optical methods for generati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::07f8df10d3455f0061851dfd1e6e3abf
https://igi.indrastra.com/items/show/204750
https://igi.indrastra.com/items/show/204750