Contribution from f orbitals to the Density of States of NdBa2Cu3O7 and SmBa2Cu3O7 superconductors. Superficies y Vacio [Internet]. 2013 Sep. 15 [cited 2025 Apr. 24];26(3):84-9. Available from: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/159