Zobrazeno 1 - 10
of 109
pro vyhledávání: '"pal, Bipul"'
Autor:
Manna, Subhadip, Nath, Sambhu G, Roy, Samrat, Aon, Soumik, Pal, Sayani, Sharma, Kanav, Mahapatra, Dhananjaya, Mitra, Partha, Das, Sourin, Pal, Bipul, Mitra, Chiranjib
We studied longitudinal and Hall photothermal voltages under a planar magnetic field scan in epitaxial thin films of the Topological Insulator (TI) Sb2Te3, grown using pulsed laser deposition (PLD). Unlike prior research that utilised polarised light
Externí odkaz:
http://arxiv.org/abs/2403.10141
Autor:
Basu, Shayari, Ghanta, Ujjwal, Roy Chowdhury, Subhajit, Pramanik, Manotosh, Roy, Samrat, Das, Ashok, Bandyopadhyay, Sudipta, pal, Bipul, Hossain, Syed Minhaz
Publikováno v:
In Journal of Luminescence September 2024 273
Optical control of helicity-dependent photocurrent in topological insulator Sb$_2$Te$_2$Se has been studied at room temperature on dominantly c-axis oriented granular polycrystalline samples grown by pulsed laser deposition technique. Strong spin-orb
Externí odkaz:
http://arxiv.org/abs/2010.14387
We have investigated nonlinear refraction in all-inorganic halide perovskites, the CsPbBr$_3$ and CsPbBr$_{1.5}$I$_{1.5}$ nanosheet and quantum dot colloids in toluene, by a novel beam deflection technique using near-resonant continuous wave lasers.
Externí odkaz:
http://arxiv.org/abs/1911.04147
Autor:
Mukhuti, Kingshuk, Krishnadas, Anjana, Bhattacharya, Rupak K., Adusumalli, Venkata N.K.B., Mahalingam, Venkataramanan, Pal, Bipul, Bansal, Bhavtosh
Publikováno v:
In Optical Materials August 2023 142
While time-resolved pump-probe differential reflectivity and transmitivity measurements are routinely used to monitor the population relaxation dynamics on the subpicosecond time scale, it is also known that the signal in the negative delay can yield
Externí odkaz:
http://arxiv.org/abs/1809.00292
Publikováno v:
J. Phys.: Condens. Matter 30 (2018) 105402 (6pp)
We have closely examined the emission spectrum at the heavy-hole exciton resonance in a high-quality GaAs multi-quantum well (MQW) sample using picosecond excitation-correlation photoluminescence (ECPL) spectroscopy. Dynamics of the ECPL signal at lo
Externí odkaz:
http://arxiv.org/abs/1808.00701
Autor:
Gopal, Radha Krishna, Ambast, Deepak K. S., Singh, Sourabh, Sarkar, Jit, Pal, Bipul, Mitra, Chiranjib
We present nonlinear optical absorption properties of pulsed laser deposited thin films of topological insulator (TI), Bi2Se3 on quartz substrate, using open aperture Z - scan technique. The saturable intensity of as-deposited thin films has been fou
Externí odkaz:
http://arxiv.org/abs/1612.02977
The problem of conversion of experimentally measured luminescence spectrum into the absorption cross section is revisited. The common practice of using the van Roosbroeck-Shockley (or Kubo-Martin-Schwinger or Kennard-Stepanov) relation in this contex
Externí odkaz:
http://arxiv.org/abs/1205.4405
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