Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ujjwal Ghanta"'
Autor:
Mallar Ray, Susmita Biswas, Samim Sardar, Ujjwal Ghanta, Samir Kumar Pal, Nil Ratan Bandyopadhyay, Syed Minhaz Hossain, Tuhin Kumar Maji, Bo Liu
Publikováno v:
Journal of Luminescence. 201:338-344
Room temperature time-resolved photoluminescence (TRPL) of colloidal silicon nanostructures prepared by repetitive oxidation-etching-oxidation of mechanically milled silicon, indicate towards phonon confinement in Si nanostructures. The Si nanocrysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23d0bb2c9cd044c43ca51163017dd57e
https://doi.org/10.1016/j.jlumin.2018.04.052
https://doi.org/10.1016/j.jlumin.2018.04.052
Publikováno v:
Materials Today: Proceedings. 5:9790-9797
Current controlled switching has been observed in p-type crystalline Silicon (p-c-Si)/porous Si (PS)/n-type hydrogenated amorphous Silicon (n-a-Si:H) heterostructure. Mechanism of the switching is proposed consideringpresence of trapped carriers at t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ffabd2f213aad8005b939a3ba4a85cb
https://doi.org/10.1016/j.matpr.2017.10.168
https://doi.org/10.1016/j.matpr.2017.10.168
Autor:
Syed Minhaz Hossain, Susmita Biswas, Sumita Mukhopadhyay, Anupam Nandi, Ujjwal Ghanta, Hiranmay Saha, B. Jana
Publikováno v:
Journal of Applied Physics. 130:033102
Colloidal suspension of free standing silicon/silicon oxide core/shell nanoparticles has been synthesized using a mechanochemical top-down approach. Quasi-mono-dispersed core size distribution of synthesized nanoparticles has been confirmed using dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2922f485b1b721ee02088c9e5dca497c
https://doi.org/10.1063/5.0047226
https://doi.org/10.1063/5.0047226
Autor:
Syed Minhaz Hossain, Ujjwal Ghanta
Publikováno v:
Advances in Computer, Communication and Control ISBN: 9789811331213
In this work, we have studied the charge transport and photoluminescence (PL) properties of silicon nanorods (SiNRs) on substrate synthesized by the electrochemical etching of p-type Si wafer. The DC current–voltage (I-V) characteristics of SiNR wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec8316cced515939d02ecbc8241b51e2
https://doi.org/10.1007/978-981-13-3122-0_37
https://doi.org/10.1007/978-981-13-3122-0_37
Publikováno v:
Procedia Materials Science. 5:764-771
A systematic study was done to fabricate Macro porous silicon films by electrochemical etching of p - -type silicon with a resistivity range of 0.1–5.0 Ω cm for 60 min in an electrolyte containing hydrofluoric acid (HF), water, and dymethylformami
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5b6e72869e6605a5258d09756a0b231
https://doi.org/10.1016/j.mspro.2014.07.326
https://doi.org/10.1016/j.mspro.2014.07.326
Photoluminescence From Oxidized Macroporous Silicon: Nanoripples and Strained Silicon Nanostructures
Publikováno v:
IEEE Transactions on Device and Materials Reliability. 13:87-92
We report synthesis of luminescent porous silicon (Si) having uniform macromorphology by sequential oxidation and etching of macroporous Si formed in a hydrofluoric acid and dimethylformamide solution. The macroporous template exhibits room-temperatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48ecf303b489a8414bcf7499bfe5d556
https://doi.org/10.1109/tdmr.2012.2214781
https://doi.org/10.1109/tdmr.2012.2214781
Publikováno v:
Nanotechnology. 27(45)
Unipolar resistive switching (URS) is observed in isolated Si-SiO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::5333dad1810b31bc34c5e9830d77e9e1
https://pubmed.ncbi.nlm.nih.gov/27694697
https://pubmed.ncbi.nlm.nih.gov/27694697
Publikováno v:
12th International Conference on Fiber Optics and Photonics.
We have observed the effect of low magnetic field (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbb1a3f0383591fc8b458964c46fa2da
https://doi.org/10.1364/photonics.2014.s5a.46
https://doi.org/10.1364/photonics.2014.s5a.46
Publikováno v:
AIP Conference Proceedings.
The photoluminescence (PL) spectrum of Si quantum rods (QRs) shows multiple peaks in the visible region. The PL decay is tri-exponential and decay time monotonically decreases with increasing emission energy. The multi-exponential nature of the PL em
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::575b11f6c5d458f19c619d152cc75d8e
https://doi.org/10.1063/1.4810208
https://doi.org/10.1063/1.4810208