Física Ciencias Exactas Ab initio Electronic structure Hyperfine interactions AB-INITIO CALCULATIONS ANTIFERROMAGNETISM ANTIFERROMAGNETISMO Ab-initio calculations CALCULOS AB-INITIO Condensed matter physics DFT Diluted magnetic semiconductors Electronic Structure Calculations FERRITA DE MAGNESIO FERRITE HYPERFINE INTERACTIONS Ingeniería Other inorganic compounds PROPIEDADES HIPERFINAS Thin films electronic structure energy 181Hf-Impurity Implantation Ab initio calculations Acceso a la Información Alimentos Anisotropy Antiferromagnetism Antiferromagnetismo