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Publications (13)

cond-mat.mtrl-sci2024

Pressure-induced optical anisotropy of HfS $_{2}$

Igor Antoniazzi, Tomasz WoÅºniak, Amit Pawbake +8

The effect of pressure on Raman scattering (RS) in the bulk HfS $_{2}$ is investigated under hydrostatic and non-hydrostatic conditions. The RS lineshape does not change significantly…

cond-mat.mes-hall2023

Fast electrically switchable large gap quantum spin Hall states in MGe $_{2}$ Z $_{4}$

Rajibul Islam, Ghulam Hussain, Rahul Verma +4

Spin-polarized conducting edge currents counterpropagate in quantum spin Hall (QSH) insulators and are protected against disorder-driven localizations by the time-reversal symmetry…

cond-mat.mtrl-sci2025

Synergistic modulation of band structure and phonon transport for higher thermoelectric performance of WSe2

Mazhar Hussain Danish, Amil Aligayev, Zahir Muhammad +8

Tungsten diselenide (WSe2) emerges as a promising thermoelectric (TE) candidate due to its high thermopower (S), cost-effectiveness, and environmentally friendly characteristics. H…

cond-mat.mes-hall2024

Discovery of a hybrid topological quantum state in an elemental solid

Md Shafayat Hossain, Frank Schindler, Rajibul Islam +17

Topology and interactions are foundational concepts in the modern understanding of quantum matter. Their nexus yields three significant research directions: competition between dis…

cond-mat.mtrl-sci2024

Extrinsic n-type semiconductor transition in ZrSe2 with the metallic character through hafnium substitution

Zahir Muhammad, Yuliang Li, Sami Ullah +7

Two dimensional layered materials exhibit versatile electronic properties in their different phases. The intrinsic electronic properties of these materials can be modulated through…

cond-mat.str-el2018

Electron-Doping Induced Semiconductor to Metal Transitions in ZrSe2 Layers via Copper Atomic Intercalation

Zahir Muhammad, Kejun Mu, Haifeng Lv +6

Atomic intercalation in two dimensional (2D) layered materials can engineer the electronic structure at the atomic scale, bringing out tunable physical and chemical properties whic…

cond-mat.mes-hall2022

Switchable large-gap quantum spin Hall state in two-dimensional MSi $_{2}$ Z $_{4}$ materials class

Rajibul Islam, Rahul Verma, Barun Ghosh +4

Quantum spin Hall (QSH) insulators exhibit spin-polarized conducting edge states that are topologically protected from backscattering and offer unique opportunities for addressing…

cond-mat.mtrl-sci2026

Raman scattering fingerprints of the charge density wave state in one-dimensional NbTe $_{4}$

Natalia Zawadzka, Cem Sevik, Zahir Muhammad +4

Charge-density waves (CDWs) are ordered quantum states of conduction electrons accompanied by periodic lattice distortions. Raman scattering (RS) spectroscopy is therefore well sui…

cond-mat.supr-con2025

Superconductivity and a van Hove singularity confined to the surface of a topological semimetal

Md Shafayat Hossain, Rajibul Islam, Zi-Jia Cheng +16

The interplay between electronic topology and superconductivity is the subject of great current interest in condensed matter physics. For example, superconductivity induced on the…

cond-mat.mes-hall2022

The effect of temperature and excitation energy on Raman scattering in bulk HfS $_{2}$

Igor Antoniazzi, Natalia Zawadzka, Magdalena Grzeszczyk +6

Raman scattering (RS) in bulk hafnium disulfide (HfS $_{2}$ ) is investigated as a function of temperature (5 K $-$ 350 K) with polarization resolution and excitation of several laser…

cond-mat.mtrl-sci2026

TXL Fusion: A Hybrid Machine Learning Framework Integrating Chemical Heuristics and Large Language Models for Topological Materials Discovery

Arif Ullah, Rajibul Islam, Yangming Huang +4

The paper presents TXL Fusion, a hybrid machine‑learning system that combines chemical heuristics, physics‑based descriptors, and large language model embeddings to classify and pr…

#topological materials#machine learning#large language models#materials discovery

cond-mat.mtrl-sci2024

3D Topological Semimetal Phases of Strained $I^\pm$ -Sn on Insulating Substrate

Jakub PolaczyÅski, Gauthier Krizman, Alexandr Kazakov +15

$I^\pm$ -Sn is an elemental topological material, whose topological phases can be tuned by strain and magnetic field. Such tunability offers a substantial potential for topological ele…

cond-mat.str-el2024

Pomeranchuk instability of a topological crystal

Md Shafayat Hossain, Zahir Muhammad, Rajibul Islam +13

Nematic quantum fluids appear in strongly interacting systems and break the rotational symmetry of the crystallographic lattice. In metals, this is connected to a well-known instab…

Publications (13)

Pressure-induced optical anisotropy of HfS2​

Fast electrically switchable large gap quantum spin Hall states in MGe2​Z4​

Synergistic modulation of band structure and phonon transport for higher thermoelectric performance of WSe2

Discovery of a hybrid topological quantum state in an elemental solid

Extrinsic n-type semiconductor transition in ZrSe2 with the metallic character through hafnium substitution

Electron-Doping Induced Semiconductor to Metal Transitions in ZrSe2 Layers via Copper Atomic Intercalation

Switchable large-gap quantum spin Hall state in two-dimensional MSi2​Z4​ materials class

Raman scattering fingerprints of the charge density wave state in one-dimensional NbTe4​

Superconductivity and a van Hove singularity confined to the surface of a topological semimetal

The effect of temperature and excitation energy on Raman scattering in bulk HfS2​

TXL Fusion: A Hybrid Machine Learning Framework Integrating Chemical Heuristics and Large Language Models for Topological Materials Discovery

3D Topological Semimetal Phases of Strained I^±-Sn on Insulating Substrate

Pomeranchuk instability of a topological crystal

Pressure-induced optical anisotropy of HfS $_{2}$

Fast electrically switchable large gap quantum spin Hall states in MGe $_{2}$ Z $_{4}$

Switchable large-gap quantum spin Hall state in two-dimensional MSi $_{2}$ Z $_{4}$ materials class

Raman scattering fingerprints of the charge density wave state in one-dimensional NbTe $_{4}$

The effect of temperature and excitation energy on Raman scattering in bulk HfS $_{2}$

3D Topological Semimetal Phases of Strained $I^\pm$ -Sn on Insulating Substrate