Hena Das

Electronic Structure, Phonons and Dielectric Anomaly in Ferromagnetic Insulating Double Perovskite La2NiMnO6 (2008)

Das, Hena, Waghmare, Umesh V., Saha-Dasgupta, T., Sarma, D. D.

Using first-principles density functional calculations, we study the electronic and magnetic properties of ferromagnetic insulating double-perovskite compound La2NiMnO6, which has been reported to...

Effects of chemical pressure on the Fermi surface and band dispersion in the electron-doped high-Tc superconductors (2008)

Ikeda, M., Yoshida, T., Fujimori, A., Kubota, M., Ono, K., Das, Hena, ...

We have performed angle-resolved photoemission spectroscopy (ARPES) measurements and first-principles electronic structure calculations on the electron-doped high-Tc superconductors Ln1.85Ce0.15CuO4...

Electronic Structure, Phonons, and Dielectric Anomaly in Ferromagnetic Insulating Double Pervoskite $La_2NiMnO_6$ (2008)

Das, Hena, Waghmare, Umesh V, Dasgupta, Saha T, Sarma, DD

Using first-principles density functional calculations, we study the electronic and magnetic properties of the ferromagnetic insulating double perovskite compound La2NiMnO6, which has been reported...

Electronic Structure, Phonons, and Dielectric Anomaly in Ferromagnetic Insulating Double Pervoskite $La_2NiMnO_6$ (2008)

Das, Hena, Waghmare, Umesh V, Dasgupta, Saha T, Sarma, DD

Using first-principles density functional calculations, we study the electronic and magnetic properties of the ferromagnetic insulating double perovskite compound La2NiMnO6, which has been reported...

Proposed low energy model Hamiltonian for spin-gapped system CuTe2O5 (2007)

Das, Hena, Saha-Dasgupta, T., Gros, Claudius, Valenti, Roser

Using first-principles electronic structure calculations based on the Nth order muffin tin orbital (NMTO)-downfolding technique, we derived the low-energy spin model for CuTe2O5. Our study reveals...