Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Pradeep Dewangan"'
Autor:
Pradeep Dewangan, Suresh G. Onkar, Shweta Sharma, Nameeta Brahme, Shilpa G. Vidhale, Vijay S. Thool, D. P. Bisen, Girish S. Mendhe, Ishwar Prasad Sahu
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:28765-28771
The application of thermoluminescence technique in radiation dosimetry spans field of health physics, biological and geological sciences and personnel monitoring; this led to the search for new compositions with desirable dosimetric properties. In th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef9346f476981b19f265b79faff5c251
https://doi.org/10.1007/s10854-021-07260-z
https://doi.org/10.1007/s10854-021-07260-z
Autor:
Kanchan Upadhyay, D. P. Bisen, Raunak Kumar Tamrakar, Shweta Sharma, Pradeep Dewangan, Nameeta Brahme
Present study throuws light on solid state synthesis, phase and band properties of a Dy3+ doped Ca3MgSi2O8. Crystal phase of the phosphor was characterized by X-ray diffraction (XRD) and surface morphology was crystal size was determined by using sca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fa68b9a3c320bbb3262cc37a0337f42
https://doi.org/10.21203/rs.3.rs-695511/v1
https://doi.org/10.21203/rs.3.rs-695511/v1
Publikováno v:
Journal of Rare Earths. 37:365-373
Single-phase CaSrAl2SiO7:Sm3+ phosphors were synthesized by traditional high temperature solid state reaction method. Formation of samples and phase analysis were confirmed by X-ray diffraction technique. Morphology was done by field emission scannin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35effff74d540ed0d07e289d97d46fc4
https://doi.org/10.1016/j.jre.2018.07.005
https://doi.org/10.1016/j.jre.2018.07.005
Publikováno v:
Journal of Alloys and Compounds. 777:423-433
Different concentrations of Dy3+ doped Ca3MgSi2O8 phosphors were synthesis by solid state reaction method. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermoluminescence (TL) and photoluminesce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d487171ae6eee940d563cccc10707fa
https://doi.org/10.1016/j.jallcom.2018.10.390
https://doi.org/10.1016/j.jallcom.2018.10.390
Autor:
Shweta Sharma, Ishwar Prasad Sahu, Raunak Kumar Tamrakar, Pradeep Dewangan, Nameeta Brahme, D. P. Bisen
Publikováno v:
Optical and Quantum Electronics. 52
Present study deals with the effect of Sm3+ doping on crystal and optical behaviour of Sr3MgSi2O8. For these studies prepared phosphor was characterized by using X-ray powder diffraction and luminescence spectra by recording excitation and emissions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e62bfbd185b64c577e3d68da1d8382ec
https://doi.org/10.1007/s11082-020-02554-8
https://doi.org/10.1007/s11082-020-02554-8
Autor:
Ishwar Prasad Sahu, D. P. Bisen, Pradeep Dewangan, Shweta Sharma, Raunak Kumar Tamrakar, Nameeta Brahme
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:771-777
The present paper reports the synthesis and characterization of Sr3MgSi2O8 phosphor. The phosphor was prepared by solid state reaction method. Average crystal size for the phosphors yielded was in nanometre range, which was calculated by using X-ray
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adf797d4e7df9dd4678a0831b2a16a27
https://doi.org/10.1007/s10854-018-0346-9
https://doi.org/10.1007/s10854-018-0346-9
Autor:
Pradeep Dewangan, Geetanjali Tiwari, D. P. Bisen, Nameeta Brahme, Shalinta Tigga, Shweta Sharma, Ayush Khare
Publikováno v:
Journal of Materials Science: Materials in Electronics. 29:1412-1419
This paper reports synthesis of CaSrAl2SiO7:Ce3+ phosphors via traditional high temperature solid state reaction method. The phase analysis of the phosphors was carried out using powder X-ray diffraction (XRD) technique which indicates that all these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::159f20f7155c5b8dfcf282e8058c8937
https://doi.org/10.1007/s10854-017-8048-2
https://doi.org/10.1007/s10854-017-8048-2
Publikováno v:
Optics & Laser Technology. 135:106682
Single phased CaSrAl2SiO7 phosphor singly doped with different concentrations of trivalent cerium and terbium; and co-doped with varying Tb3+ concentration were prepared by standard solid state reaction (SSR) method. The crystallinity and particle mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::524b39f2e145066fdea72d93375c1fa8
https://doi.org/10.1016/j.optlastec.2020.106682
https://doi.org/10.1016/j.optlastec.2020.106682
Autor:
Pradeep Dewangan, N. Brahme, Raunak Kumar Tamrakar, D. P. Bisen, Ganesh Ram Banjare, Ishwar Prasad Sahu
Publikováno v:
Journal of Materials Science: Materials in Electronics. 27:6721-6734
Sr2MgSi2O7:Eu3+ and Sr2MgSi2O7:Eu3+, R+ (R+ = Li+, Na+ and K+) phosphors were prepared by conventional solid state reaction method. The crystal structures of synthesized phosphors were an akermanite type structure which belongs to the tetragonal crys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3a2079951d63ecdb5175981d12e07c0
https://doi.org/10.1007/s10854-016-4621-3
https://doi.org/10.1007/s10854-016-4621-3
Autor:
D. P. Bisen, Pradeep Dewangan, Kanchan Upadhyay, Raunak Kumar Tamrakar, Ishwar Prasad Sahu, Shweta Sharma, Nameeta Brahme
Publikováno v:
Journal of Alloys and Compounds. 816:152590
White light emitting novel Sr3MgSi2O8:Dy3+ were synthesized by solid state reaction (SSR) process. The structural and morphological properties were analyzed by XRD and TEM. XRD pattern confirms presence of monoclinic structure with space group P121/a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff7e4bde8e5362e8cc3958aaeedaa9c9
https://doi.org/10.1016/j.jallcom.2019.152590
https://doi.org/10.1016/j.jallcom.2019.152590