Effect of transition metals (MO-TiO<inf>2</inf>, MnO<inf>2</inf>, Fe<inf>2</inf>O<inf>3</inf>, and ZnO) on crystallization and electrical conductivity of SiO<inf>2</inf>–CaO–Na<inf>2</inf>O–P<inf>2</inf>O<inf>5</inf>-based glass-ceramics
Influence of TiO <inf>2</inf> and thermal processing on morphological, structural and magnetic properties of Fe <inf>2</inf> O <inf>3</inf> /MnO <inf>2</inf> modified glass-ceramics