Picosecond evolution of an induced metallic state under infinitesimal optical doping in NdNiO3
Basabendra Roy, Satyaki Kundu, Gaurav Dubey, Priya Mahadevan, Bipul Pal, Anamitra Mukherjee, Dhanvir Singh Rana, and Bhavtosh Bansal,
Journal of Applied Physics 138, 065103 (2025) [pdf]
Room temperature photobrightening and low temperature photodarkening in two-dimensional CdSe nanoplatelets
Deepesh Kalauni, Anusri Medda, Soubhik Ghosh, Amitava Patra, and Bhavtosh Bansal
Phys. Chem. Chem. Phys. 27, 17031 (2025), DOI: 10.1039/D5CP01517K [pdf]
Relaxation-free athermal states in VO2 for thermal-breach memory
Aniket Bajaj, Satyaki Kundu, Shikha Sahu, D. K. Shukla, and Bhavtosh Bansal,
Applied Physics Letters 127, 021902 (2025) [pdf]
Evidence of Athermal Metastable Phase in a Halide Perovskite: Optically Tracked Thermal-Breach Memory
Kingshuk Mukhuti, Satyaki Kundu, Debasmita Pariari, Deepesh Kalauni, Ashutosh Mohanty, Aniket Bajaj, D. D. Sarma, and
Bhavtosh Bansal
Physical Review Letters 134, 076901 (2025). arXiv:2308.09756 [cond-mat.str-el] [pdf]
Exciton-to-plasma Mott crossover in silicon,
Basabendra Roy and Bhavtosh Bansal,
The European Physical Journal D 78, article number 24 (2024) [pdf]
Exceptionally Slow, Long Range, and Non-Gaussian Critical Fluctuations Dominate the Charge Density Wave Transition
Sk Kalimuddin, Sudipta Chatterjee, Arnab Bera, Hasan Afzal, Satyabrata Bera, Deep Singha Roy, Soham Das, Tuhin Debnath, Bhavtosh Bansal, and Mintu Mondal
Physical Review Letters 132, 266504 (2024). arXiv:2308.09756 [cond-mat.str-el]
Dynamic hysteresis at a noisy saddle node shows power-law scaling but nonuniversal exponent,
Satyaki Kundu, Ranjan Kumar Patel, Srimanta Middey, and Bhavtosh Bansal,
Physical Review E 108, 024101 (2023) [pdf] [arXiv:]
Diamagnetism-induced Suppression of the Resonance Energy Transfer
Kingshuk Mukhuti and Bhavtosh Bansal,
Journal of Physical Chemistry C 127, 13130 (2023) [pdf]
Optical coherence in the upconversion luminescence of Er3+
Kingshuk Mukhuti, Anjana Krishnadas, Rupak K. Bhattacharya, Venkata N. K. B. Adusumalli,
Venkataramanan Mahalingam, Bipul Pal, and Bhavtosh Bansal,
Advanced Optical Materials 142, 114058 (2023) [pdf]
Carrier thermalization and zero-point bandgap renormalization in halide perovskites from the Urbach tails of the emission spectrum,
Kingshuk Mukhuti, Arnab Mandal, Basabendra Roy, Sayan Bhattacharyya, and Bhavtosh Bansal,
Applied Physics Letters 121, 182104 (2022); [arXiv]
Absolute calibration of the latent heat of transition using differential thermal analysis,
Tapas Bar and Bhavtosh Bansal,
Review of Scientific Instruments 92, 075106 (2021) [pdf]
Dissipation-induced symmetry breaking: Emphanitic transitions in lead-and tin-containing chalcogenides and halide perovskites,
Kingshuk Mukhuti, Sudip Sinha, Subhasis Sinha, Bhavtosh Bansal,
Appl. Phys. Lett. 118, 162111 (2021), arXiv preprint arXiv:2012.05478 [pdf]
Competition between two-and three-photon upconversion in Er3+-doped microcrystals,
K Mukhuti, VNKB Adusumalli, B Bansal, V Mahalingam,
Journal of Luminescence 227, 117542 (2020)
Highly sensitive upconverting nanoplatform for luminescent thermometry from ambient to cryogenic temperature,
K Mukhuti, V Adusumalli, HV Koppisetti, B Bansal, V Mahalingam,
ChemPhysChem 21 (15), 1731-1736 (2020)
Critical slowing down at the abrupt Mott transition: When the first-order phase transition becomes zeroth-order and looks like second-order,
Satyaki Kundu, Tapas Bar, Rajesh Kumble Nayak, and Bhavtosh Bansal,
Physical Review Letters 124, 095703 (2020) [pdf]
Experimental determination of the bare energy gap of GaAs without the zero-point renormalisation,
Basabendra Roy, Kingshuk Mukhuti, and Bhavtosh Bansal,
Journal of Physics: Condensed Matter (Letter to the Editor) 32, 10LT01 (2020) [arXiv] [pdf]
Classification of Transitions in Upconversion Luminescence of Lanthanides by Two-Dimensional Correlation Analysis,
Kingshuk Mukhuti, Venkata N. K. B. Adusumalli, Venkataramanan Mahalingam, and Bhavtosh Bansal,
The Journal of Physical Chemistry A, 123 2457 (2019). [pdf]
Kinetic Spinodal Instabilities in the Mott Transition in V2O3: Evidence from Hysteresis Scaling and Dissipative Phase Ordering,
Tapas Bar, Sujeet Kumar Choudhary, Md. Arsalan Ashraf, K. S. Sujith, Sanjay Puri, Satyabrata Raj, and Bhavtosh Bansal,
Physical Review Letters 121, 045701 (2018). [pdf] [arXix]
Distinguishing quantum dot-like localized states from quantum well-like extended states across the exciton emission line in a quantum well,
Sumi Bhuyan, Richarj Mondal, Bipul Pal, and Bhavtosh Bansal,
Journal of Physics: Condensed Matter 30, 105402 (2018). [pdf]
How pump–probe differential reflectivity at negative delay yields the perturbed-free-induction-decay: theory of the experiment and its verification, Richarj Mondal, Basabendra Roy, Bipul Pal and Bhavtosh Bansal,
Journal of Physics: Condensed Matter 30, 505902 (2018). [pdf]
Measurements of the Electric Field of Zero-Point Optical Phonons in GaAs Quantum Wells Support the Urbach Rule for Zero-Temperature Lifetime Broadening
Rupak Bhattacharya, Richarj Mondal, Pradip Khatua, Alok Rudra, Eli Kapon, Stefan Malzer, Gottfried Doehler, Bipul Pal, and Bhavtosh Bansal
Physical Review Letters, 114, 047402 (2015). [pdf]
Anti-Stokes luminescence in the light of second order perturbation theory
Rupak Bhattacharya, Bipul Pal, and Bhavtosh Bansal
Applied Physics Letters 105, 191102 (2014). [pdf]
Anomalous effects of ultradilute impurities on heat diffusion in liquids
Deepak K. S. Ambast, Richarj Mondal, Palas Baran Pati, Sanjio S. Zade, Bhavtosh Bansal, and Bipul Pal
Optics Communication 334, 184 (2014). [pdf]
Single-Slit Electron Diffraction with Aharonov-Bohm Phase: Feynman’s Thought Experiment with Quantum Point Contacts
Pradip Khatua, Bhavtosh Bansal, and Dan Shahar
Physical Review Letters 112, 010403 (2014). [pdf]
Khatua, Bansal, and Shahar Reply [to a Comment on the above Letter]
Physical Review Letters 113, 158902 (2014). [pdf]
Optical density of states in ultradilute GaAsN alloy: Coexistence of free excitons and impurity band of localized and delocalized states
Sumi Bhuyan, Sanat K. Das, Sunanda Dhar, Bipul Pal, and Bhavtosh Bansal
Journal of Applied Physics 116, 023103 (2014). [pdf]
Light emission despite doubly-forbidden radiative transitions in AlP/GaP quantum wells: Role of localized states
Sumi Bhuyan, Richarj Mondal, Pradip Khatua, M. Semtsiv, W. T. Masselink, Jean Leotin, Bipul Pal, and Bhavtosh Bansal
Journal of Applied Physics 114, 163101 (2013). [pdf]
Scattering of carriers by charged dislocations in semiconductors
Bhavtosh Bansal, Rituparna Ghosh, and V. Venkataraman
Journal of Applied Physics 113, 163705 (2013) [pdf]
Pauli blocking dynamics in optically excited quantum dots: A picosecond excitation-correlation spectroscopic study
Richarj Mondal, Bhavtosh Bansal, Arjun Mandal, Subhananda Chakrabarti, and Bipul Pal
Physical Review B, 87, 115317 (2013). [pdf]
Self-Assembly in semiconductor epitaxy: From growth mechanisms to device applications
Arnab Bhattacharya and Bhavtosh Bansal,
Chapter 26 Handbook of Crystal Growth Vol. 3, 2nd Edition, Ed T. Kuech, Elsevier 2015, pp1057–1099, 9780444633040 ISBN [pdf]
On conversion of luminescence into absorption and the van Roosbroeck-Shockley relation
Rupak Bhattacharya, Bipul Pal, and Bhavtosh Bansal
Applied Physics Letters 100, 222103 (2012). [pdf]
High-field magneto-photoluminescence of semiconductor nanostructures
Manus Hayne and Bhavtosh Bansal
Luminescence-The Journal of Biological and Chemical Luminescence 27, 179-196 (2012). [pdf]
Charge separation and temperature-induced carrier migration InGa1-xInxNyAs1-y multiple quantum wells
T. Nuytten, M. Hayne, Bhavtosh Bansal, H. Y. Liu, M. Hopkinson, and V. V. Moshchalkov
Physical Review B 84, 045302 (2011). [pdf]
Fiber optic based system for polarization sensitive spectroscopy of semiconductor quantum structures
Ashish Arora, Biswajit Karmakar, Sayantan Sharma, Michael Schardt, Stefan Malzer, Bhavtosh Bansal, Gottfried Döhler, and Brij M. Arora
Review of Scientific Instruments 81, 083901 (2010). [pdf]
Optimization of large multiple coil systems for pulsed magnets
J. A. A. J. Perenboom, P. Frings, J. Béard, B. Bansal, F. Herlach, Tao Peng, and S. Zherlitsyn
Journal of Low Temperature Physics 159, 336 (2010). [pdf]
Extended excitons and compact helium-like biexcitons in type-II quantum dots
Bhavtosh Bansal, S. Godefroo, M. Hayne, G. Medeiros-Ribeiro, and V. V. Moshchalkov
Physical Review B 80, 205317 (2009). [pdf]
Photoluminescence from localized states in disordered indium nitride
Bhavtosh Bansal, Abdul Kadir, Arnab Bhattacharya, and V. V. Moshchalkov
Applied Physics Letters 93, 021113 (2008). [pdf]
Excitonic Mott transition in type-II quantum dots
Bhavtosh Bansal, M. Hayne, M. Geller, D. Bimberg, and V. V. Moshchalkov
Physical Review B (Rapid Communications) 77, 241304 (2008). [pdf]
Magnetic field-dependent photoluminescence linewidths as a probe of disorder length scales in quantum wells
Bhavtosh Bansal, M. Hayne, B. M. Arora, and V. V. Moshchalkov
Applied Physics Letters 91, 251108 (2007). [pdf]
Alloying induced degradation of the absorption edge of InAsxSb1-x
Bhavtosh Bansal, V K Dixit, V Venkataraman, and H L Bhat
Applied Physics Letters 90, 101905 (2007). [pdf]
Bimodal size distribution in InAs quantum dots: two evolution pathways
Bhavtosh Bansal, M R Gokhale, Arnab Bhattacharya, and B M Arora
Journal of Applied Physics 101, 094303 (2007). [pdf]
Tuning and understanding the emission characteristics of MOVPE-grown self-assembled InAs/InP quantum dots
Bhavtosh Bansal, M R Gokhale, Arnab Bhattacharya, and B M Arora
Journal of Crystal Growth 298, 586 (2007). [pdf]
A model for the temperature dependence of photoluminescence in self-assembled quantum dots
Bhavtosh Bansal
Journal of Applied Physics 100, 093107 (2006). [pdf]
Alloy disorder effects on the room temperature optical properties of Ga1-xInxNyAs1-y quantum wells
Bhavtosh Bansal, Abdul Kadir, Arnab Bhattacharya, B M Arora, and Rajaram Bhat
Applied Physics Letters 89, 032110 (2006). [pdf]
Growth kinetics effects on self-assembled InAs/InP quantum dots ensembles,
Bhavtosh Bansal, M R Gokhale, Arnab Bhattacharya, and B M Arora,
Applied Physics Letters 87, 203104 (2005). [pdf]
Magnetic field induced depopulation in intrinsic InSb: A revisit
Bhavtosh Bansal and V Venkataraman
Journal of Physics: Condensed Matter 17, 7053 (2005). [pdf]
Collapse of the charge-ordering state at high magnetic fields in the rare-earth manganite Pr0.63Ca0.37MnO3
K. S. Nagapriya, Arup Raychaudhuri, Bhavtosh Bansal, V. Venkataraman, S. Parashar, and C. N. R. Rao
Physical Review B 71, 024426 (2005). [pdf]
Detailed studies on the origin of nitrogen-related electron traps in dilute GaAsN layers grown by liquid phase epitaxy
S. Dhar, N. Halder, A. Mondal, Bhavtosh Bansal, and B. M. Arora
Semiconductor Science and Technology 20, 1168 (2005). [pdf]
Transport, optical and magnetotransport properties of heteroepitaxial InAsxSb1-x/GaAs and bulk InAsxSb1-x crystals:experiments and theoretical analysis
Bhavtosh Bansal, V K Dixit, V Venkataraman, and H L Bhat
Physica E 20, 272 (2004). [pdf]
Studies on high resolution X-ray diffraction, optical and transport properties of InAsxSb1-x/GaAs (x< 0.06) heterostructures grown by liquid phase epitaxy
V. K. Dixit, Bhavtosh Bansal, V. Venkataraman, H. L. Bhat, B. M. Arora, and K S Chandrasekaran
Journal of Applied Physics 96, 4989 (2004). [pdf]
Temperature dependence of the energy gap and free carrier absorption in bulk InAs0.05Sb0.95 single crystals
Bhavtosh Bansal, V. K. Dixit, V. Venkataraman, and H. L. Bhat
Applied Physics Letters 82, 4720 (2003). [pdf]
Magnetic, optical and transport properties of GaMnN films
K. Sardar, A. R. Raju, B. Bansal, V. Venkataraman, and C. N. R. Rao
Solid State Communications 125, 55 (2003). [pdf]
Structural, optical, and electrical properties of bulk single crystals of InAsxSb1-x grown by rotatory Bridgman method
V. K. Dixit, Bhavtosh Bansal, V. Venkataraman, H. L. Bhat, and G. N. Subanna
Applied Physics Letters 81, 1630 (2002). [pdf]
High-mobility InSb epitaxial films grown on a GaAs (001) substrate using liquid-phase epitaxy
V. K. Dixit, Bhavtosh Bansal, V. Venkataraman, H. L. Bhat, G. N. Subbanna, K. S. Chandrasekharan, and B. M. Arora
Applied Physics Letters 80, 2102 (2002). [pdf]
Some Conferences Proceedings
Study of multicarrier transport in bulk HgCdTe using 15T pulsed magnetic fields
Murthy O.V.S.N., Bhavtosh Bansal , V. Venkataraman and R.K. Sharma
International Conference on Narrow Gap Semiconductors, Toulouse, France, July 2005. [pdf]
Study of magnetotransport in Si/SiGe heterostructures using a low cost 7 tesla pulsed magnet
Bhavtosh Bansal and V. Venkataraman
SPIE-The International Society for Optical Engineering 3975, 327-332 (2000).
In: Tenth International Workshop on the Physics of Semiconductor Devices, 14-18 Dec. 1999, New Delhi, India, pp. 327-332. [pdf]