Debattam Sarkar
@DebattamS
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Post-doc at Northwestern University, USA Glory glory Man United
Joined August 2019
RT @kanishkabiswas: Mo 4d orbital induced rare conduction band convergence and misfit nanostructures boost thermoelectric zT to 1.8 in n-ty….
onlinelibrary.wiley.com
Mo 4d orbital hybridized with the Se 4p-Pb 6p to provide conduction band convergence, and PbSe-MoSe2 modular nanostructures lead to high thermoelectric performance in MoCl5 doped n-type PbSe.
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RT @kanishkabiswas: Glassy thermal transport and zT of 2.7 in doped GeTe results from the inhomogeneous ferroelectric instability developed….
advanced.onlinelibrary.wiley.com
Inhomogeneous ferroelectric instability induced confined phonon mean free path leading to glass-like thermal transport, and ultra-high thermoelectric performance in BiSe, Pb co-doped GeTe.
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RT @kanishkabiswas: Onsite 4s-3d coupling in Cu drives the local distortion in CuS4 tetrahedra in TlCuS, which resulted in significant anha….
pubs.acs.org
Seeking new and efficient thermoelectric materials requires a detailed comprehension of chemical bonding and structure in solids at microscopic levels, which dictates their intriguing physical and...
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RT @kanishkabiswas: Sub-valent (Bi2)4+ dimer acts as “twin rattler” in complex metal chalco-halide Bi13S18Br2 to tune its electronic and th….
pubs.acs.org
Metal chalcohalides, owing to their higher stability over halides and greater tunability of electronic features over chalcogenides, open new avenues for investigating properties of materials. Complex...
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RT @kanishkabiswas: Local structural symmetry breaking upon heating, termed as emphanisis, evidenced in Ruddlesden–Popper mixed halide per….
advanced.onlinelibrary.wiley.com
Emphanisis, or local symmetry reduction upon warming, in Cs2PbI2Cl2, is revealed by synchrotron X-ray total scattering analysis. Origin of emphanisis is traced to Pb 6s2 lone-pair-induced cooperati...
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RT @lakshaymehta31: @narendramodi Congratulations #NeerajChopra . 🥇- South Asian Games.🥇- Asian Championship.🥇- CWG 2018.🥇- Asian Games.🥇-….
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RT @jncasr: Congratulations! Animesh Bhui (Ph.D. student, New Chemistry Unit) on receiving the Graduate Student Award from International Th….
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RT @arkajitmandal: Our group is currently looking for two postdocs to start, sometimes in the fall. Anyone with expertise/interest in quant….
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RT @kanishkabiswas: Synthesis, structural transition and extremely low anisotropic phonon transport (2-300 K) in three new Pb-free hybrid l….
onlinelibrary.wiley.com
Three new hybrid layered double perovskites (HLDPs) have been synthesized by variations of trivalent metal centers in the inorganic layer as well as modifications in the organic spacers. All the...
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RT @ChemSocRev: Don't miss "Hidden structures: a driving factor to achieve low thermal conductivity and high thermoelectric performance" by….
pubs.rsc.org
The long-range periodic atomic arrangement or the lack thereof in solids typically dictates the magnitude and temperature dependence of their lattice thermal conductivity (κlat). Compared to crysta...
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RT @ChemMater: Enhanced Topological Surface State Mediated Transport Elevates Thermoelectric Performance in SnSb2Te4 Quantum Material. By @….
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RT @IyerAbishek: 🎓Calling grad students! We have two positions open for research in solid-state chemistry & materials science. Join us to i….
iyerlab.ca
We have two graduate student positions (Masters or PhD) open in the lab! See the ad below:
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RT @kanishkabiswas: Hidden (local) structures have tremendous impact on materials properties. Synchrotron X-ray, neutron scattering, and….
pubs.rsc.org
The long-range periodic atomic arrangement or the lack thereof in solids typically dictates the magnitude and temperature dependence of their lattice thermal conductivity (κlat). Compared to crysta...
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RT @kanishkabiswas: We have been recognized based on our idea and prototype on Phonon-Glass Electron-Crystal Thermoelectric Materials. @Tan….
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RT @kanishkabiswas: "Chimi Douce" synthesis of ultra-thin ferroelectrics. Local symmetry breaking in nanoscale in 2D Bi2O2S. See the new @C….
pubs.rsc.org
Modern technology demands miniaturization of electronic components to build small, light, and portable devices. Hence, discovery and synthesis of new non-toxic, low cost, ultra-thin ferroelectric...
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RT @pradhan_jayita: Hope we have been able to solve the curious case of emission property of CsPb2Br5 successfully!.Happy to share our rece….
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RT @kanishkabiswas: Topologically protected metallic surface state mediated transport enhanced thermoelectric performance in SnSb2Te4 quant….
pubs.acs.org
The discovery of topological quantum materials harboring Dirac-like massless surface states with high charge carrier mobility presents an exciting opportunity for unlocking superior thermoelectric...
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RT @kanishkabiswas: Extremely soft structure and strong electron-phonon coupling induced broad band emission in thermodynamically favored….
pubs.acs.org
Ever since the initial report on green emissive two-dimensional (2D) all-inorganic indirect band gap semiconductor, CsPb2Br5, arguments have arisen concerning its origin of photoluminescence, which...
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RT @BiswasLabJNC: 📢 WE ARE HIRING ! .We are delighted to announce an open position for Ph.D. in the field of Solid State Chemistry and Quan….
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RT @ajaysoni30: Recent work in Phys. Rev. B 109, 115202 (2024) Ultralow lattice thermal conductivity in complex structure Cu26V2Sn6Se32 du….
journals.aps.org
Damping of phonon momentum suppresses the lattice thermal conductivity (${\ensuremath{\kappa}}_{\mathrm{l}}$) through low-energy acoustic-optical phonon interactions. We studied the thermal transport...
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