Topological quantum materials from the viewpoint of chemistry

N Kumar, SN Guin, K Manna, C Shekhar… - Chemical …, 2020 - ACS Publications
Topology, a mathematical concept, has recently become a popular and truly
transdisciplinary topic encompassing condensed matter physics, solid state chemistry, and …

Layered materials with 2D connectivity for thermoelectric energy conversion

M Samanta, T Ghosh, S Chandra… - Journal of materials …, 2020 - pubs.rsc.org
The current problems of decreasing fossil fuel reserves and the increasing pollution level
due to burning of these fossil fuels are expected to worsen in the future with ever increasing …

Metavalent Bonding-Mediated Dual 6s2 Lone Pair Expression Leads to Intrinsic Lattice Shearing in n-Type TlBiSe2

I Maria, R Arora, M Dutta… - Journal of the …, 2023 - ACS Publications
Metavalent bonding has attracted immense interest owing to its capacity to impart a distinct
property portfolio to materials for advanced functionality. Coupling metavalent bonding to …

Large Room Temperature Anomalous Transverse Thermoelectric Effect in Kagome Antiferromagnet YMn6Sn6

S Roychowdhury, AM Ochs, SN Guin… - Advanced …, 2022 - Wiley Online Library
Kagome magnets possess several novel nontrivial topological features owing to the strong
correlation between topology and magnetism that extends to their applications in the field of …

Strong Anharmonicity‐Induced Low Thermal Conductivity and High n‐type Mobility in the Topological Insulator Bi1.1Sb0.9Te2S

R Pathak, P Dutta, A Srivastava… - Angewandte Chemie …, 2022 - Wiley Online Library
Intrinsically low lattice thermal conductivity (κlat) while maintaining the high carrier mobility
(μ) is of the utmost importance for thermoelectrics. Topological insulators (TI) can possess …

Intrinsically low thermal conductivity and high carrier mobility in dual topological quantum material, n‐type BiTe

M Samanta, K Pal, UV Waghmare… - Angewandte Chemie …, 2020 - Wiley Online Library
A challenge in thermoelectrics is to achieve intrinsically low thermal conductivity in
crystalline solids while maintaining a high carrier mobility (μ). Topological quantum …

The Zintl phases A In 2 As 2 (A= Ca, Sr, Ba): new topological insulators and thermoelectric material candidates

MO Ogunbunmi, S Baranets, AB Childs… - Dalton Transactions, 2021 - pubs.rsc.org
Recently, there has been a lot of interest in topological insulators (TIs), being electronic
materials, which are insulating in their bulk but with the gapless exotic metallic state on their …

Theoretical study of electronic, magnetic, optical and thermoelectric properties of XMnO2 (X= Au, Ag, Cu) oxides by DFT

K Ismail, G Murtaza, S Tahir, G Nazir, NA Kattan… - Journal of Solid State …, 2022 - Elsevier
The electronic, magnetic, optical and thermoelectric properties of delafossites XMnO 2
(X​=​ Au, Ag, Cu) have been calculated by DFT approach. The monoclinic phase of crystal …

2D Nanosheets of Topological Quantum Materials from Homologous (Bi2)m(Bi2Se3)n Heterostructures: Synthesis and Ultralow Thermal Conductivity

M Samanta, K Biswas - Chemistry of Materials, 2020 - ACS Publications
Topological quantum materials with layered heterostructure hold great promise for exhibiting
low thermal conductivity. Homologous (Bi2) m (Bi2Se3) n (m, n: integers) series hosts …

Topologically-Enhanced Thermoelectric Properties in Bi2Te3-Based Compounds: Effects of Grain Size and Misorientation

C Gayner, Y Natanzon, Y Kauffmann… - ACS Applied Materials …, 2022 - ACS Publications
Topological insulators (TIs) and thermoelectric (TE) materials seem to belong to distinct
physical realms; however, in practice, they both share common characteristics. Introducing …