Subarna Das
@subarnadas_
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Experimental Physicist l Postdoctoral researcher @mpi_CPfS l Formerly PDF in @BiswasLabJNC at @jncasr
Dresden, Germany
Joined May 2023
RT @RCSubhajit: Candidates interested in Solid-state Chemistry and Topological Materials are invited to apply for the position….
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RT @kanishkabiswas: Lone pair driven local cationic off-centering provide unique phonon-glass electron-crystal like thermoelectric transpor….
pubs.acs.org
Entropy engineering offers innovative design opportunities for synthesizing new thermoelectric materials by integrating conflicting physical parameters. Optimization of configurational entropy holds...
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RT @BiswasLabJNC: Our latest work, published in Advanced Energy Materials, reveals the impact of low-energy shear vibrations of Sb₂ bilayer….
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Excited to share my latest publication in Advanced Energy Materials! ✨.@BiswasLabJNC.
Origin of ultra-low thermal conductivity in topological quantum materials from the homologous series (Sb2)m(Sb2Te3)n: Low energy shear vibrations of Sb2 bilayer. Just out in Advanced Energy Materials.@subarnadas_ @jncasr @iHubQTF @IndiaDST.
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RT @RiDdHiMoyPathak: 🚨Announcement from @BiswasLabJNC .WE ARE HIRING !!! Immediate Ph.D. position available. Students with a masters degr….
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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 @animesh_bhui: Local distortion from Cu s-d coupling via the 2nd-order Jahn–Teller effect drives exceptional thermoelectric performance….
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: 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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Excited to share my first article as a corresponding author in Physical Review B! We explore how anion vacancies suppress phonon transport without hindering charge carriers in Sb₂Te₃ thermoelectrics. Check it out!.@PhysRevB.@IndiaDST.
journals.aps.org
Strategically manipulating defect dynamics in a crystalline solid can modulate lattice vibrations, thereby reducing thermal transport through the lattice and making it suitable for diverse applicat...
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RT @kanishkabiswas: Nanostructured “ferecrystals” with TaSe2 in SnSe solid state matrix showed natural 2D superlattice heterostructure laye….
pubs.acs.org
Ferecrystals, a distinctive class of misfit layered compounds, hold significant promise in manipulating the phonon transport owing to their two-dimensional (2D) natural superlattice-type structure...
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RT @kanishkabiswas: Local structural instability and correlated atomic rattling due to Pauling’s third rule resulted in extremely low therm….
onlinelibrary.wiley.com
Pauling's third empirical rule, which deals with the cationic repulsion due to proximity in the face or edge shared polyhedra in a crystal structure, can provide structural instability required to...
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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 @kanishkabiswas: Synthesis of a new hybrid indium halide with broad self trapped exitonic emission due to strong anharmonicity. Appeared….
pubs.rsc.org
We report a simple synthesis of a new lead-free zero-dimensional (0D) hybrid halide compound, (5P1)InBr5·2H2O [(5P1) = NH3C6H12NH3], which hosts isolated and distorted octahedra of [InBr5(H2O)]2−,...
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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 @ChemMater: Enhanced Topological Surface State Mediated Transport Elevates Thermoelectric Performance in SnSb2Te4 Quantum Material. By @….
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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: "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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Check out my latest article in Chemistry of Materials exploring the role of topological surface state on enhancing thermoelectric performance of strong topological insulator SnSb2Te4!.
Topologically protected metallic surface state mediated transport enhanced thermoelectric performance in SnSb2Te4 quantum materials. Appeared in Chem. Mater. for the special issue of "C. N. R. Rao at 90".@iHubQTF @serbonline @ChemMater @jncasr .
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RT @BiswasLabJNC: Cheers to @fermiion and our former masters student Aditya on winning the best poster award in HyPe-23 held at @iacskolkat….
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