activity
20152026
most citedLarge nonsaturating magnetoresistance and signature of non-degenerate Dirac nodes in ZrSiS

310 citations · 1.3k across the 36 of their papers we have counts for

collaborators

37 papers

cond-mat.mtrl-sci2026

Reversible Superdense Ordering of Tetragonal Lithium in a Layered Material

Natalie L. Williams, Stephen D. Funni, Sihun Lee +14

Understanding lithium (Li) ordering and dynamics is foundational in energy storage. X-ray based experimental methods do not simultaneously provide atomic structure information toge…

cond-mat.str-el2025

Clustering-Enhanced Time- and Angle-Resolved Photoemission Study of LaTe: Absence of a Photoinduced Secondary CDW in the Electronic Structure

Gesa-R. Siemann, Davide Curcio, Anders S. Mortensen +9

Optical control offers a compelling route for tailoring material properties on an ultrafast time scale. Ordered states such as charge density waves (CDWs) can be transiently melted…

cond-mat.mes-hall2025

Unconventional Superconducting Phase Diagram of Monolayer WTe2

Tiancheng Song, Yanyu Jia, Guo Yu +13

The existence of a quantum critical point (QCP) and fluctuations around it are believed to be important for understanding the phase diagram in unconventional superconductors such a…

cond-mat.str-el2024★ 13 cited

Uncovering the Hidden Ferroaxial Density Wave as the Origin of the Axial Higgs Mode in RTe

Birender Singh, Grant McNamara, Kyung-Mo Kim +24

The recent discovery of an axial amplitude (Higgs) mode in the long-studied charge density wave (CDW) systems GdTe and LaTe suggests a heretofore unidentified hidden order.…

cond-mat.mtrl-sci2024

Directionally Locked Heteroepitaxy with a Structurally Modulated van der Waals Material

Nitish Mathur, Guangming Cheng, Francesc Ballester +17

Precise orientation of symmetry-mismatched epilayers on van der Waals (vdW) substrates via heteroepitaxy has commonly been achieved through surface treatment processes to accommoda…

cond-mat.str-el2024★ 1 cited

Large Thermopower with Sign-Alternating Quantum Oscillations in Insulating Monolayer WTe2

Yue Tang, Tiancheng Song, Haosen Guan +13

The detection of Landau-level-like energy structures near the chemical potential of an insulator is essential to the search for a class of correlated electronic matter hosting char…

cond-mat.mes-hall2024★ 3 cited

Superconductivity from On-Chip Metallization on 2D Topological Chalcogenides

Yanyu Jia, Guo Yu, Tiancheng Song +11

Two-dimensional (2D) transition metal dichalcogenides (TMDs) is a versatile class of quantum materials of interest to various fields including, e.g., nanoelectronics, optical devic…

cond-mat.mes-hall2023★ 4 cited

A Platform for Far-Infrared Spectroscopy of Quantum Materials at Millikelvin Temperatures

Michael Onyszczak, Ayelet J. Uzan, Yue Tang +8

Optical spectroscopy of quantum materials at ultralow temperatures is rarely explored, yet it may provide critical characterizations of quantum phases not possible using other appr…

cond-mat.mtrl-sci2023

Detection of nontrivial topology driven by charge density wave in a semi-Dirac metal

Rafiqul Alam, Prasun Boyal, Shubhankar Roy +6

The presence of electron correlations in a system with topological order can lead to exotic ground states. Considering single crystals of LaAgSb2 which has a square net crystal str…

cond-mat.mes-hall2023★ 22 cited

Evidence for Two Dimensional Anisotropic Luttinger Liquids at Millikelvin Temperatures

Guo Yu, Pengjie Wang, Ayelet J. Uzan +11

While Landau's Fermi liquid theory provides the standard description for two- and three-dimensional (2D/3D) conductors, the physics of interacting one-dimensional (1D) conductors i…

cond-mat.mes-hall2023★ 23 cited

Surface-Confined Two-Dimensional Crystal Growth on a Monolayer

Yanyu Jia, Fang Yuan, Guangming Cheng +12

Conventional vapor deposition or epitaxial growth of two-dimensional (2D) materials and heterostructures is conducted in a large chamber in which masses transport from the source t…

cond-mat.mes-hall2023★ 33 cited

Unconventional Superconducting Quantum Criticality in Monolayer WTe2

Tiancheng Song, Yanyu Jia, Guo Yu +12

The superconductor to insulator or metal transition in two dimensions (2D) provides a valuable platform for studying continuous quantum phase transitions (QPTs) and critical phenom…

cond-mat.str-el2022★ 25 cited

Charge density wave-generated Fermi surfaces in NdTe

Alla Chikina, Henriette Lund, Marco Bianchi +7

The electronic structure of NdTe in the charge density wave phase (CDW) is investigated by angle-resolved photoemission spectroscopy. The combination of high-quality crystals a…

cond-mat.mtrl-sci2022★ 17 cited

Colossal negative magnetoresistance in the complex charge density wave regime of an antiferromagnetic Dirac semimetal

Ratnadwip Singha, Kirstine J. Dalgaard, Dmitry Marchenko +10

Colossal magnetoresistance (MR) is a well-known phenomenon, notably observed in hole-doped ferromagnetic manganites. It remains a major research topic due to its potential in techn…

cond-mat.mtrl-sci2022★ 2 cited

Synthesis of an aqueous, air-stable, superconducting 1T'-WS monolayer-ink

Xiaoyu Song, Ratnadwip Singha, Guangming Cheng +7

Liquid-phase chemical exfoliation is ideal to achieve industry scale production of two-dimensional (2D) materials for a wide range of application such as printable electronics, cat…

cond-mat.mtrl-sci2022★ 39 cited

A Class of Magnetic Topological Material Candidates with Hypervalent Bi Chains

Jason F. Khoury, Bingzheng Han, Milena Jovanovic +5

The link between crystal and electronic structure is crucial for understanding structure-property relations in solid-state chemistry. In particular, it has been instrumental in und…

cond-mat.mtrl-sci2021★ 18 cited

TaCoTe: An air-stable, magnetic van der Waals material with high mobility

Ratnadwip Singha, Fang Yuan, Guangming Cheng +6

Van der Waals (vdW) materials are an indispensable part of functional device technology due to their versatile physical properties and ease of exfoliating to the low-dimensional li…

cond-mat.mes-hall2021★ 125 cited

One-Dimensional Luttinger Liquids in a Two-Dimensional Moiré Lattice

Pengjie Wang, Guo Yu, Yves H. Kwan +13

The Luttinger liquid (LL) model of one-dimensional (1D) electronic systems provides a powerful tool for understanding strongly correlated physics including phenomena such as spin-c…

cond-mat.mtrl-sci2021★ 34 cited

Evolving Devil's staircase magnetization from tunable charge density waves in nonsymmorphic Dirac semimetals

Ratnadwip Singha, Tyger H. Salters, Samuel M. L. Teicher +4

While several magnetic topological semimetals have been discovered in recent years, their band structures are far from ideal, often obscured by trivial bands at the Fermi energy. S…

cond-mat.mtrl-sci2021★ 13 cited

Signature of topological non-trivial band structure in TaSiTe

Shubhankar Roy, Ratnadwip Singha, Arup Ghosh +1

The study of topology protected electronic properties is a fascinating topic in present day condensed matter physics research. New topological materials are frequently being propos…

cond-mat.str-el2021★ 52 cited

Topological Hall effect in the antiferromagnetic Dirac semimetal EuAgAs

Antu Laha, Ratnadwip Singha, Sougata Mardanya +4

The non-trivial magnetic texture in real space gives rise to the intriguing phenomenon of topological Hall effect (THE), which is relatively less explored in topological semimetals…

cond-mat.mtrl-sci2020★ 50 cited

Anomalous Hall effect in half-metallic Heusler compound CoTi (=Si, Ge)

Shubhankar Roy, Ratnadwip Singha, Arup Ghosh +2

Though Weyl fermions have recently been observed in several materials with broken inversion symmetry, there are very few examples of such systems with broken time reversal symmetry…

cond-mat.mtrl-sci2020★ 10 cited

Lattice dynamics of topological Dirac semimetal LaAgSb with charge density wave ordering

Ratnadwip Singha, Sudeshna Samanta, Tara Shankar Bhattacharya +5

LaAgSb is a rare material, which offers the opportunity to investigate the complex interplay between charge density wave (CDW) ordering and topology protected electronic band…

cond-mat.mtrl-sci2019★ 27 cited

Complex exchange mechanism driven ferromagnetism in half-metallic Heusler CoTiGe: Evidence from critical behavior

Shubhankar Roy, Nazir Khan, Ratnadwip Singha +2

We have investigated the critical phenomenon associated with the magnetic phase transition in the half-metallic full-Heusler CoTiGe. The compound undergoes a continuous ferroma…