32 citations · 48 across the 15 of their papers we have counts for
15 papers
High pressure ferroelectric-like semi-metallic state in doped
Mrinmay Sahu, Bishnupada Ghosh, Bobby Joseph +1
We have conducted a detailed high-pressure (HP) investigation on doped using angle-resolved x-ray diffraction, Raman spectroscopy, dielectric permittivity and dc res…
Synthesis and EOS study of orthorhombic (Fe,Ni)(C,Si) and its importance as a possible constituent of Earth's core
Bishnupada Ghosh, Mrinmay Sahu, Pinku Saha +2
We have synthesized an orthorhombic phase of nickel and silicon doped FeC at high-pressure and high temperature using a laser-heated diamond anvil cell. The synthesized…
Phonon anharmonicity and soft-phonon mediated structural phase transition in
Debabrata Samanta, Aritra Mazumder, Sonu Pratap Chaudhary +4
We have carried out temperature-dependent x-ray diffraction and Raman scattering experiments on powder . Trigonal to monoclinic structural transition at around 95 K i…
Role of electron and hole doping in NdNi1_xVxO3 Nanostructure
Raktima Basu, Reshma Kumawat, Mrinmay Sahu +3
Neodymium nickelate, NdNiO3 attracts attraction due to the simultaneous occurrence of several phase transitions around the same temperature. The electronic properties of NdNiO3 are…
Structural and electronic phase transitions in ZrSe at high pressure
Bishnupada Ghosh, Mrinmay Sahu, Debabrata Samanta +3
A detailed high pressure investigation is carried out using x-ray diffraction, Raman spectroscopy and low temperature resistivity measurements on hexagonal ZrSe having an exc…
Pressure induced emission enhancement and bandgap narrowing: experimental investigations and first principles theoretical simulations on a model halide perovskite
Debabrata Samanta, Sonu Pratap Chaudhary, Bishnupada Ghosh +3
We report high-pressure photoluminescence, Raman scattering, and x-ray diffraction measurements on a lead-free halide perovskite . At about 3 GPa, an electronic trans…
Thermal conductivity of iron and nickel during melting: Implication to Planetary liquid outer core
Pinku Saha, Goutam Dev Mukherjee
We report the measurements of the thermal conductivity () of iron (Fe) and nickel (Ni) at high pressures and high temperatures. values are estimated from the temperature mea…
Pressure induced emergence of visible luminescence in : Effect of structural distortion in optical behaviour
Debabrata Samanta, Pinku Saha, Bishnupada Ghosh +4
We report emergence of photoluminescence at room temperature in trigonal at high pressures. Enhancement in intensity with pressure is found to be driven by increase…
Anomalous structural behavior and antiferroelectricity in BiGdO: Detailed temperature and high pressure study
Rajesh Jana, Apurba Dutta, Pinku Saha +5
A detailed temperature and pressure investigation on BiGdO is carried out by means of dielectric constant, piezoelectric current, polarization-electric field loop, Raman scat…
High Pressure Structural Investigation on Lead-Free Piezoelectric -
Anshuman Mondal, Pinku Saha, Bishnupada Ghosh +4
The solid solution - (BCZT) has become a promising member of the lead-free piezoelectric materials because of its exceptiona…
Anomalous compressibility in 1T MoTe single crystal:High pressure Raman and structural studies
Bishnupada Ghosh, Pinku Saha, Goutam Dev Mukherjee
A detailed high pressure study is carried out on 1T MoTe using X-ray diffraction(XRD) and Raman spectroscopy measurements upto about 30.5 GPa. High pressure XRD meas…
High pressure anomalies in exfoliated : Resonance Raman and X-ray diffraction studies
Pinku Saha, Bishnupada Ghosh, Aritra Mazumder +1
Detailed high pressure Resonance Raman () Spectroscopy and X-ray diffraction () studies are carried out on 3-4 layered obtained by liquid exfoliation. Analysis of…
Synthesis and Compression study of orthorhombic : A possible constituent of the Earth's core
Pinku Saha, Konstantin Glazyrin, Goutam Dev Mukherjee
The orthorhombic phase of Si-doped Fe carbide is synthesized at high pressures and temperatures using laser-heated diamond anvil cell (LHDAC), followed by its characterization usin…
A new Measurement of Thermal Conductivity of Iron at high pressures and temperatures
Pinku Saha, Goutam Dev Mukherjee
Thermal conductivity of the most abundant element in the planetary core, Iron (Fe) is measured up to Earth's outer core pressure GPa. The measurements are carried out us…
Direct Observation of Re-entrant Multiferroic CuO at High Pressures
Rajesh Jana, Pinku Saha, Vivek Pareek +5
We have carried out a detailed experimental investigation on CuO using dielectric constant, ac resistance, Raman spectroscopy and X-ray diffraction measurements at high pressures a…