Publications (19)
Complex Fermiology and Electronic Structure of Antiferromagnet EuSnP
Milo Sprague, Anup Pradhan Sakhya, Sabin Regmi +8
We studied the electronic structure of a layered antiferromagnetic metal, EuSnP, in the paramagnetic and in the antiferromagnetic phase using angle resolved photoemission spectrosc…
Observation of multiple flat bands and van Hove singularities in the distorted kagome metal NdTi3Bi4
Mazharul Islam Mondal, Anup Pradhan Sakhya, Milo Sprague +7
Kagome materials have attracted enormous research interest recently owing to their diverse topological phases and manifestation of electronic correlation. Here, we present the elec…
Electronic structure in a rare-earth based nodal-line semimetal candidate PrSbTe
Sabin Regmi, Iftakhar Bin Elius, Anup Pradhan Sakhya +10
Nodal line semimetals feature topologically protected band crossings between the bulk valence and conduction bands that extend along a finite dimension in the form of a line or a l…
Complex electronic topography and magnetotransport in an in-plane ferromagnetic kagome metal
Anup Pradhan Sakhya, Richa Pokharel Madhogaria, Barun Ghosh +11
The intricate interplay between flat bands, Dirac cones, and magnetism in kagome materials has recently attracted significant attention from materials scientists, particularly in c…
Observation of Fermi arcs and Weyl nodes in a non-centrosymmetric magnetic Weyl semimetal
Anup Pradhan Sakhya, Cheng-Yi Huang, Gyanendra Dhakal +15
Weyl semimetal (WSM), a novel state of quantum matter, hosts Weyl fermions as emergent quasiparticles resulting from the breaking of either inversion or time-reversal symmetry. Mag…
Complex electronic structure evolution of NdSb across the magnetic transition
Anup Pradhan Sakhya, Baokai Wang, Firoza Kabir +12
The rare-earth monopnictide (REM) family, which hosts magnetic ground states with extreme magnetoresistance, has established itself as a fruitful playground for the discovery of in…
Observation of momentum-dependent charge density wave gap in a layered antiferromagnet GdTe3
Sabin Regmi, Iftakhar Bin Elius, Anup Pradhan Sakhya +12
Charge density wave (CDW) ordering has been an important topic of study for a long time owing to its connection with other exotic phases such as superconductivity and magnetism. Th…
Diverse electronic topography in a distorted kagome metal LaTi3Bi4
Anup Pradhan Sakhya, Brenden R. Ortiz, Barun Ghosh +9
Recent reports on a family of kagome metals of the form LnTi3Bi4 (Ln = Lanthanide) has stoked interest due to the combination of highly anisotropic magnetism and a rich electronic…
Observation of Altermagnetic Spin Splitting in an Intercalated Transition Metal Dichalcogenide
Milo Sprague, Mazharul Islam Mondal, Anup Pradhan Sakhya +7
Altermagnetism is a novel magnetic phase combining characteristics of both antiferromagnetism and ferromagnetic ordering. Despite growing theoretical interest in altermagnetic mate…
Topological character of the antiferromagnetic EuMgBi
Mazharul Islam Mondal, Issam Mahraj, Milo Sprague +8
Antiferromagnetic EuMPn compounds, where M is a metal element and Pn is a pnictogen element, have been recognized as candidates for realizing a topologically nontrivial…
Observation of flat and weakly dispersing bands in a van der Waals semiconductor Nb3Br8 with breathing kagome lattice
Sabin Regmi, Anup Pradhan Sakhya, Tharindu Fernando +15
Niobium halides, Nb3X8 (X = Cl,Br,I), which are predicted two-dimensional magnets, have recently gotten attention due to their breathing kagome geometry. Here, we have studied the…
Electronic structure of a layered altermagnetic compound CoNb4Se8
Anup Pradhan Sakhya, Mazharul Islam Mondal, Milo Sprague +6
Recently, there has been a growing interest in altermagnetism, a novel form of magnetism, characterized by unique spin-splitting even in the absence of both net magnetic moments an…
Diverse electronic landscape of the kagome metal YbTi3Bi4
Anup Pradhan Sakhya, Brenden R. Ortiz, Barun Ghosh +8
Kagome lattices have emerged as an ideal platform for exploring exotic quantum phenomena in materials. Here, we report the discovery of Ti-based kagome metal YbTi3Bi4 which we char…
Spin density wave and van Hove singularity in the kagome metal CeTi3Bi4
Pyeongjae Park, Brenden R. Ortiz, Milo Sprague +15
Kagome metals with van Hove singularities near the Fermi level can host intriguing quantum phenomena such as chiral loop currents, electronic nematicity, and unconventional superco…
Synergistic doping and stabilization of magnetically tunable LnTi(Sb,Sn) (Ln:Ce--Gd) kagome metals
Brenden R. Ortiz, Ramakanta Chapai, German Samolyuk +9
Here we present our synthesis and characterization of the LnTi(Sb,Sn) (Ln: Ce, Pr, Nd, Sm, Gd) family of cleavable kagome metals. While these materials are isostructural to…
Revealing the intrinsic electronic structure and complex fermiology of YRu2Si2 using angle-resolved photoemission spectroscopy
Anup Pradhan Sakhya, Sabin Regmi, Milo Sprague +6
We performed a detailed study of the intrinsic electronic structure of YRu2Si2 employing angleresolved photoemission spectroscopy (ARPES) and density-functional theory (DFT) based…
Observation of the Optical Phonons in α-MnTe films
Himanshu Sheokand, Arun K Kumay, Mazharul Islam Mondal +6
The altermagnetic materials have emerged as model systems for studying spin split electronic structures, yet controlled epitaxial growth on technologically relevant substrates rema…
Observation of gapless nodal-line states in NdSbTe
Sabin Regmi, Robert Smith, Anup Pradhan Sakhya +7
Lanthanide (Ln) based systems in the ZrSiS-type nodal-line semimetals have been subjects of research investigations as grounds for studying the interplay of topology with possible…
Electronic Structure of a Nodal Line Semimetal Candidate TbSbTe
Iftakhar Bin Elius, Jacob F Casey, Sabin Regmi +15
The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magn…