266 citations · 1.2k across the 53 of their papers we have counts for
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Resonant diffraction and photoemission inconsistent with altermagnetism in epitaxial RuO films
Benjamin Z. Gregory, Neha Wadehra, Shuyuan Zhang +15
Excitement about the magnetic and electronic properties of RuO is growing, fueled by reports of antiferromagnetism, strain-induced superconductivity, and its recent classificat…
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…
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…
Charge Density Wave and Ferromagnetism in Intercalated CrSBr
Margalit L. Feuer, Morgan Thinel, Xiong Huang +25
In materials with one-dimensional electronic bands, electron-electron interactions can produce intriguing quantum phenomena, including spin-charge separation and charge density wav…
Giant Rashba-Splitting of One-Dimensional Metallic States in Bi Dimer Lines on InAs(100)
Polina M. Sheverdyaeva, Gustav Bihlmayer, Silvio Modesti +12
Bismuth produces different types of ordered superstructures on the InAs(100) surface, depending on the growth procedure and coverage. The (2x1) phase forms at completion of a Bi mo…
Coexistence of Dirac fermion and charge density wave in square-net-based semimetal LaAuSb2
Xueliang Wu, Zhixiang Hu, David Graf +7
We report a comprehensive study of magnetotransport properties, angle-resolved photoemission spectroscopy (ARPES), and density functional theory (DFT) calculations on self-flux gro…
Synthesis of a mesoscale ordered 2D-conjugated polymer with semiconducting properties
Gianluca Galeotti, Fabrizio De Marchi, Ehsan Hamzehpoor +16
2D materials with high charge carrier mobility and tunable electronic band gaps have attracted intense research effort for their potential use as active components in nanoelectroni…
Interplay between local moment and itinerant magnetism in the layered metallic antiferromagnet TaFeTe
Sae Young Han, Evan J. Telford, Asish K. Kundu +12
Two-dimensional (2D) antiferromagnets have garnered considerable interest for the next generation of functional spintronics. However, many available bulk materials from which 2D an…
Topological electronic structure of YbMgBi and CaMgBi
Asish K. Kundu, Tufan Roy, Santanu Pakhira +6
Zintl compounds have been extensively studied for their outstanding thermoelectric properties, but their electronic structure remains largely unexplored. Here, we present a detaile…
Quantum size effects, multiple Dirac cones and edge states in ultrathin Bi(110) films
Asish K. Kundu, Genda Gu, Tonica Valla
The presence of inherently strong spin-orbit coupling in bismuth, its unique layer-dependent band topology and high carrier mobility make it an interesting system for both fundamen…
Absence of a Dirac gap in ferromagnetic Cr(BiSb)Te
Chung Koo Kim, Jonathan D. Denlinger, Asish K. Kundu +2
Magnetism breaks the time reversal symmetry expected to open a Dirac gap in 3D topological insulators that consequently leads to quantum anomalous Hall effect. The most common appr…
Electronic structure of a 3x3-ordered silicon layer on Al(111)
Y. Sato, Y. Fukaya, M. Cameau +11
Electronic structure of the 3x3 ordered-phase of a silicon (Si) layer on Al(111) has been studied by angle resolved photoemission spectroscopy (ARPES) technique using synchrotron r…
Anomalies in the core level spectroscopy of a noncentrosymmetric solid, BiPd
Arindam Pramanik, Ram Prakash Pandeya, Khadiza Ali +9
Understanding exotic solids is a difficult task as interactions are often hidden by the symmetry of the system. Here, we study the electronic properties of a noncentrosymmetric sol…
Indirect Chiral Magnetic Exchange through Dzyaloshinskii-Moriya--Enhanced RKKY Interactions in Manganese Oxide Chains on Ir(100)
Martin Schmitt, Paolo Moras, Gustav Bihlmayer +9
Ruderman-Kittel-Kasuya-Yosida interaction even if their wave functions lack direct overlap. Theory predicts that spin-orbit scattering leads to a Dzyaloshinskii-Moriya type enhance…
Low temperature Magneto-dielectric coupling in nanoscale layered SmFe0.5Co0.5O3 perovskite
Ashish Shukla, Akash Singh, Md. Motin Seikh +1
In this study, we determined the different physical characteristics of nanoscale layered mixed Fe-Co layers of orthoferrite SmFe0.5Co0.5O3 based on magnetic and dielectric measurem…
Structural and Magnetic Characterization of Spin Canted Mixed Ferrite-Cobaltites: LnFe0.5Co0.5O3 (Ln = Eu and Dy)
Ashish Shukla, Oleg I. Lebedev, Md. Motin Seikh +1
The mixed ferrite-cobaltites LnFe0.5Co0.5O3, with Ln = Eu & Dy have been prepared by a sol-gel method and the samples have been characterized using X-ray diffraction and electron m…
Nanoscale ordered Layered-Segregation of Cobalt and Iron in the Perovskite SmFe0.5Co0.5O3
Nathalia E. Mordvinova, Ashish Shukla, Asish K. Kundu +4
The possibility to segregate cobalt and iron in a single perovskite, at a nanoscale in the form of layers has been investigated, using sol gel technic synthesis. Quite remarkably,…
Incoherent Effect of Fe and Ni Substitutions in the Ferromagnetic-Insulator La0.6Bi0.4MnO3+d
Asish K. Kundu, Md. Motin Seikh, Akhilesh Srivastava +4
A comparative study of the effect of Fe and Ni doping on the bismuth based perovskite La0.6Bi0.4MnO3.1, a projected spintronics magnetic semiconductor has been carried out. The dop…
Magnetic and Electronic properties of Eu0.9Ca0.1BaCo2O5.5+? with the disparity of Oxygen Stoichiometry
Md. Motin Seikh, Asish K. Kundu, V. Caignaert +2
The effect of oxygen content on the magnetic and transport properties of the ferromagnetic Eu0.9Ca0.1BaCo2O5.5+δ has been carried out. Unlike the increase in TC with calcium conten…
Structural, Magnetic and Electron Transport Properties of Ordered-Disordered Perovskite Cobaltites
Asish K. Kundu, B. Raveau
Rare earth perovskite cobaltites are increasingly recognized as materials of importance due to rich physics and chemistry in their ordered-disordered structure for the same composi…
Magnetic and Electrical Properties of Ordered 112-type Perovskite LnBaCoMnO5+δ(Ln = Nd, Eu)
Asish K. Kundu, V. Pralong, B. Raveau +1
Investigation of the oxygen-deficient 112-type ordered oxides of the type LnBaCoMnO5+δ(Ln = Nd, Eu) evidences certain unusual magnetic behavior at low temperatures, compared to the…
A Multiferroic Ceramic with Perovskite Structure: La0.5Bi0.5Mn0.5Fe0.5O3.09
Asish K. Kundu, R. Ranjith, V. Pralong +5
ABO3 perovskite multiferroic La0.5Bi0.5Mn0.5Fe0.5O3.09 where the B-site cations is responsible for the magnetic properties and the A-site cation with lone pair electron is responsi…
Interfacial contribution to the dielectric response in semiconducting LaBiMn4/3Co2/3O6
M. Filippi, B. Kundys, R. Ranjith +2
Impedance measurements have been performed on a sintered polycrystalline sample of the perovskite LaBiMn4/3Co2/3O6. Colossal dielectric permittivity often is measured in this class…
Electron transport and thermoelectric properties of layered perovskite LaBaCo2O5.5
Asish K. Kundu, B. Raveau, V. Caignaert +2
We have investigated the systematic transport properties of the layered 112-type cobaltite LaBaCo2O5.5 by means of electrical resistivity, magnetoresistance, electroresistance and…