16 citations · 71 across the 19 of their papers we have counts for
20 papers
Overdoping YBa2Cu3O7 via a heterostructure with La0.67Sr0.33MnO3
Ankita Singh, Sawani Datta, Ram Prakash Pandeya +3
YBa2Cu3Ox, the first superconductor discovered with Tc higher than 77 K, is among the most complex cuprates having both CuO chains and plains in the structure. YBa2Cu3O7 (YBCO) exh…
Molecular order induced charge transfer in a C-topological insulator moiré heterostructure
Ram Prakash Pandeya, Konstantin P. Shchukin, Yannic Falke +9
We synthesize and spectroscopically investigate monolayer C on the topological insulator (TI) BiTe. This C/BiTe heterostructure is characterized by ex…
Evidence of electron correlation and unusual spectral evolution in an exotic superconductor, PdTe
Ram Prakash Pandeya, Arindam Pramanik, Pramita Mishra +3
We study the electronic structure of an exotic superconductor, PdTe employing depth-resolved high resolution photoemission spectroscopy and density functional theory. The valence b…
Evidence of charge transfer in a bilayer film, LaSrMnO3/YBa2Cu3O7
Ankita Singh, Sawani Datta, Ram Prakash Pandeya +2
We study the growth and electronic properties of a high temperature superconductor, YBaCuO (YBCO) in proximity of a magnetic material, LaSrMnO (LS…
Layer-resolved electronic behavior in a Kondo lattice system, CeAgAs2
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of an antiferromagnetic Kondo lattice system CeAgAs2 employing hard x-ray photoemission spectroscopy. CeAgAs2, an orthorhombic variant of Hf…
Complexity in the hybridization physics revealed by depth-resolved photoemission spectroscopy of single crystalline novel Kondo lattice systems, CeCuX (X = As/Sb)
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of a novel Kondo lattice system CeCuX2 (X = As/Sb) employing high resolution depth-resolved photoemission spectroscopy of high quality singl…
Giant spectral renormalization and complex hybridization physics in a Kondo lattice system, CeCuSb2
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of a Kondo lattice system, CeCuSb2 exhibiting significant mass enhancement and Kondo-type behavior. We observe multiple features in the hard…
Anomalies in the electronic structure of a 5 transition metal oxide, IrO
Swapnil Patil, Aniket Maiti, Surajit Dutta +7
Ir-based materials have drawn much attention due to the observation of insulating phase believed to be driven by spin-orbit coupling while Ir 5 states are expected to be weakly…
Emergence of well screened states in a superconducting material of the CaFeAs family
Ram Prakash Pandeya, Anup Pradhan Sakhya, Sawani Datta +10
Coupling among conduction electrons (e.g. Zhang-Rice singlet) are often manifested in the core level spectra of exotic materials such as cuprate superconductors, manganites, etc. T…
Behavior of gapped and ungapped Dirac cones in an antiferromagnetic topological metal, SmBi
Anup Pradhan Sakhya, Shiv Kumar, Arindam Pramanik +10
We studied the behavior of nontrivial Dirac fermion states in an antiferromagnetic metal SmBi using angle-resolved photoemission spectroscopy (ARPES). The experimental results exhi…
Anomalies in the temperature evolution of the Dirac states in a topological crystalline insulator SnTe
Ayanesh Maiti, Ram Prakash Pandeya, Bahadur Singh +3
Discovery of topologically protected surface states, believed to be immune to weak disorder and thermal effects, opened up a new avenue to reveal exotic fundamental science and adv…
Exceptional Dirac states in a non-centrosymmetric superconductor, BiPd
Arindam Pramanik, Ram Prakash Pandeya, D. V. Vyalikh +9
Quantum materials having Dirac fermions in conjunction with superconductivity is believed to be the candidate materials to realize exotic physics as well as advanced technology. An…
Preparation, Characterization and electronic structure of Ti-doped BiSe
Sawani Datta, Arindam Pramanik, Ram Prakash Pandeya +3
We report the preparation of high-quality single crystal of BiSe, a well-known topological insulator and its Ti-doped compositions using Bridgeman technique. Prepared singl…
Preparation, characterization and X-ray photoemission spectroscopy study of a correlated semimetal, SmBi
Anup Pradhan Sakhya, Arindam Pramanik, Ram Prakash Pandeya +4
We report high quality single crystalline growth of SmBi using flux method. The compound crystallizes in the simple rock salt structure with space group Fm3m. The cubic structure o…
Anomalous spectral evolution with bulk sensitivity in BiPd
Arindam Pramanik, Ram Prakash Pandeya, Khadiza Ali +7
We investigate the electronic structure of a noncentrosymmetric superconductor, BiPd using photoemission spectroscopy with multiple photon energies ranging from ultraviolet to hard…
Unusual role of ligand states in the electronic properties of a parent Fe-based superconductor, CaFe2As2
Ram Prakash Pandeya, Arindam Pramanik, A. Thamizhavel +1
We investigate the role of ligand states in the electronic properties of CaFe2As2 using high-resolution hard x-ray photoemission spectroscopy (HAXPES) at different sample temperatu…
Structural anomaly in superconductivity of CaFe2As2 class of materials
Ram Prakash Pandeya, Arindam Pramanik, Anup Pradhan Sakhya +5
Quantum transitions in Fe-based systems are believed to involve spin, charge and nematic fluctuations. Complex structural phase diagram in these materials often emphasizes importan…
On-demand local modification of high- superconductivity in few unit-cell thick BiSrCaCuO
Sanat Ghosh, Jaykumar Vaidya, Sawani Datta +6
High-temperature superconductors (HTS) are important for potential applications and for understanding the origin of strong correlations. BiSrCaCuO (BSCCO), a va…
Complex hybridization physics and evidence of structural anomaly to be a bulk property in an exotic Fe-based compound, CaFe2As2
Ram Prakash Pandeya, Arindam Pramanik, Anup Pradhan Sakhya +2
Surface of quantum materials often exhibits significantly different behavior than the bulk due to changed topologies and symmetry protections. The outstanding problem is to find ou…
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…