64 citations · 186 across the 21 of their papers we have counts for
21 papers
Proximity-induced charge transfer, strain and magnetic exchange in graphene/CrSBr heterostructure
Asish K. Kundu, Anil Rajapitamahuni, Niraj Aryal +8
Stacking van der Waals materials provides a powerful route to engineer emergent electronic and magnetic behaviors through proximity-driven interactions. The graphene/CrSBr heterost…
Data-efficient surrogate modeling of spectral functions using Gaussian processes: An application to the --- model
Sanket Jantre, Nathan M. Urban, Weiguo Yin +1
Spectral functions encode key many-body information but are costly to compute with high fidelity. Machine-learning surrogates have emerged as a powerful alternative, yet many appro…
Competing magnetic phases in CrTe are spatially segregated
V. K. Bhartiya, Anirban Goswami, Nicholas Ng +10
CrTe is a self-intercalated vdW system that is of current interest for its room-temperature FM phases and tunable topological properties. Early NPD measurements on the…
Peierls Transition and Magnetism in a Dirac Semimetal: CaMnBi
Aashish Sapkota, Niraj Aryal, Xiao Hu +9
Dirac semimetals of the form Mn ( alkaline-earth or divalent rare earth; Bi, Sb) host conducting square-net Dirac-electron layers of atoms interleaved with a…
Large non-saturating Nernst thermopower and magnetoresistance in compensated semimetal ScSb
Antu Laha, Sarah Paone, Niraj Aryal +1
Today, high-performance thermoelectric and thermomagnetic materials operating in the low-temperature regime, particularly below the boiling point of liquid nitrogen remain scarce.…
Single crystalline orthorhombic GdAlGe as a rare earth magnetic Dirac nodal-line metal
Antu Laha, Juntao Yao, Asish K. Kundu +11
Crystal engineering is a method for discovering new quantum materials and phases, which may be achieved by external pressure or strain. Chemical pressure is unique in that it gener…
EuAuSb: An odd-parity helical variation on altermagnetism
J. Sears, Juntao Yao, Zhixiang Hu +7
EuAuSb is a triangular-lattice Dirac semimetal in which a topological Hall effect has been observed to develop in association with a magnetically-ordered phase. Our single-crystal…
Nernst power factor and figure of merit in compensated semimetal ScSb
Antu Laha, Sarah Paone, Asish K. Kundu +4
Recently, topological semimetals have emerged as strong candidates for solid state thermomagnetic refrigerators due to their enhanced Nernst effect. This enhancement arises from th…
Machine learning approach for vibronically renormalized electronic band structures
Niraj Aryal, Sheng Zhang, Weiguo Yin +1
We present a machine learning (ML) method for efficient computation of vibrational thermal expectation values of physical properties from first principles. Our approach is based on…
Origin of light-induced metastability in ZrTe
D. Nevola, N. Aryal, G. D. Gu +3
We study the non-equilibrium electronic structure of a model Dirac semimetal ZrTe by using time-and-angle resolved photoemission spectroscopy and density functional theory-base…
On the origin of metal-insulator transitions in the parent compounds of ruthenium-pnictide superconductors
Niraj Aryal, Emil S. Bozin, Weiguo Yin
We study the interplay of the structural phase transition, flat electronic band dispersion, and metal-to-insulator transition (MIT) in the parent compounds of the Ru-pnictide super…
Electronic structure, magnetic and transport properties of antiferromagnetic Weyl semimetal GdAlSi
Antu Laha, Asish K. Kundu, Niraj Aryal +12
We report the topological electronic structure, magnetic, and magnetotransport properties of a noncentrosymmetric compound GdAlSi. Magnetic susceptibility shows an antiferromagneti…
Colossal Nernst power factor in topological semimetal NbSb
Peng Li, Pengfei Qiu, Qing Xu +7
Today solid-state cooling technologies below liquid nitrogen boiling temperature (77 K), crucial to quantum information technology and probing quantum state of matter, are greatly…
Thermal transport properties of IrSbSe
Yu Liu, Milinda Abeykoon, Niraj Aryal +4
We report a thermal transport study of IrSbSe, which crystallizes in a noncentrosymmetric cubic structure with the space group and shows a narrow-gap semiconducting behavio…
Role of Local Ru Hexamers in Superconductivity of Ruthenium Phosphide
Robert J. Koch, Niraj Aryal, Oleh Ivashko +7
Superconductivity in binary ruthenium pnictides occurs proximal to and upon suppression of a mysterious non-magnetic ground state, preceded by a pseudogap phase associated with Fer…
Topological Antiferromagnetic Semimetal for Spintronics: A Case Study of a Layered Square Net System EuZnSb
Niraj Aryal, Qiang Li, A. M. Tsvelik +1
We use the first principles and effective Hamiltonian methods to study the electronic structure and magnetic properties of a recently synthesized layered antiferromagnetic square n…
Anomalous Hall effect at the Lifshitz transition in ZrTe5
Pedro M. Lozano, Gabriel Cardoso, Niraj Aryal +5
Zirconium pentatelluride ZrTe5 is a topological semimetal. The presence of a temperature induced Lifshitz transition, in which the Fermi level goes from the conduction band to the…
Robust and tunable Weyl phases by coherent infrared phonons in ZrTe
Niraj Aryal, Xilian Jin, Qiang Li +3
Ultrafast optical control of the structural and electronic properties of various quantum materials has recently sparked great interest. In particular, photoinduced quantum phase tr…
Three-dimensional Ising Ferrimagnetism of Cr-Fe-Cr trimers in FeCr2Te4
Yu Liu, R. J. Koch, Zhixiang Hu +7
We carried out a comprehensive study of magnetic critical behavior in single crystals of ternary chalcogenide FeCrTe that undergoes a ferrimagnetic transition below $…
Topological phase transition and phonon-space Dirac topology surfaces in ZrTe
Niraj Aryal, Xilian Jin, Q. Li +2
We use first-principles methods to reveal that in ZrTe, a layered van der Waals material like graphite, atomic displacements corresponding to five of the six zone-center A…
Electronic Structure and Magnetism in the Layered Triangular Lattice Compound CeAuAlGe
S. Zhang, N. Aryal, K. Huang +7
Results are reported for the -electron intermetallic CeAuAlGe, where the atomic arrangement of the cerium ions creates the conditions for geometric frustration. Despite…