Zobrazeno 1 - 10
of 402
pro vyhledávání: '"Shukla, D. K."'
Recently, transition metal dichalcogenides (TMD) have attracted a lot of attention because they can host a number of novel phases, including charge density wave and topological superconductivity. This class of compounds is significant from applicatio
Externí odkaz:
http://arxiv.org/abs/2408.06319
Autor:
Sahu, S. R., Khan, S., Tripathy, A., Dey, K., Bano, N., Mohan, S. Raj, Joshi, M. P., Verma, S., Rao, B. T., Sathe, V. G., Shukla, D. K.
Publikováno v:
Physical Review B 108, 125133 (2023)
Multiple exciton generation (MEG) is a widely studied phenomenon in semiconductor nanocrystals and quantum dots, aimed at improving the energy conversion efficiency of solar cells. MEG is the process wherein incident photon energy is significantly la
Externí odkaz:
http://arxiv.org/abs/2310.14835
Autor:
Sahu, S. R., Majid, S. S., Ahad, A., Tripathy, A., Dey, K., Pal, S., De, B. K., Hsieh, Wen-Pin, Rawat, R., Sathe, V. G., Shukla, D. K.
Vanadium dioxide (VO2) has drawn significant attention for its near room temperature insulator to metal transition and associated structural phase transition. The underlying Physics behind the temperature induced insulator to metal and concomitant st
Externí odkaz:
http://arxiv.org/abs/2210.02691
Autor:
Dwij, Vivek, De, Binoy Krishna, Kunwar, Hemant Singh, Rana, Sumesh, Velpula, Praveen Kumar, Shukla, D. K., Gupta, M. K., Mittal, R., Sathe, V. G.
The sensitivity of ferroelectric domain walls to external stimuli makes them functional entities in nanoelectronic devices. Specifically, optically driven domain reconfiguration with in-plane polarization is advantageous and thus highly sought. Here,
Externí odkaz:
http://arxiv.org/abs/2207.09207
Multiple exciton generation (MEG) is a widely studied phenomenon in semiconductor nanocrystals and quantum dots wherein photo-excited carriers relax by generating additional electron-hole pairs. Here, we present the first experimental observation of
Externí odkaz:
http://arxiv.org/abs/2202.04909
Autor:
Dwij, Vivek, De, Binoy Krishna, Sharma, Gaurav, Shukla, D. K., Gupta, M. K., Mittal, R., Sathe, Vasant
BaTiO3 is a classical ferroelectric studied for last one century for its ferroelectric properties. Lattice dynamics of BaTiO3 is crucial as the utility of devices is governed by phonons. In this work, we show that traditional characterization of the
Externí odkaz:
http://arxiv.org/abs/2012.12669
Autor:
Ahad, Abdul, Gautam, K., Dey, K., Majid, S. S., Rahman, F., Sharma, S. K., Coaquira, J. A. H., da Silva, Ivan, Welter, E., Shukla, D. K.
Publikováno v:
Physical Review B 102, 094428 (2020)
[Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$], a two dimensional misfit metallic compound, is famous for its rich phases accessed by temperature, $i.e.$ high temperature spin-state transition, metal-insulator transition (MIT) at intermediate temperature ($\sim$
Externí odkaz:
http://arxiv.org/abs/2004.08319
Autor:
Ahad, Abdul, Gautam, K., Majid, S. S., Francoual, S., Rahman, F., De Groot, Frank M. F., Shukla, D. K.
Publikováno v:
Phys. Rev. B 101, 220202(R) (2020)
Layered misfit cobaltate [Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$], which emerged as an important thermoelectric material~[A. C. Masset et al. Phys. Rev. B, 62, 166 (2000)], has been explored extensively in the last decade for the exact mechanism behind its
Externí odkaz:
http://arxiv.org/abs/2004.01406
Autor:
Ahad, Abdul, Gautam, K., Majid, S. S., Dey, K., Tripathy, A., Rahman, F., Choudhary, R. J., Sankar, R., Sinha, A. K., Kaul, S. N., Shukla, D. K.
Publikováno v:
Phys. Rev. B 107, 214405 (2023)
Attempts to unravel the nature of magnetic ordering in LaSrCoO$_4$ (Co$^{3+}$), a compound intermediate between antiferromagnetic (AFM) La$_2$CoO$_4$ (Co$^{2+}$) and ferromagnetic (FM) Sr$_2$CoO$_4$ (Co$^{4+}$), have met with a limited success so far
Externí odkaz:
http://arxiv.org/abs/2002.00135
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