The structure and magnetic properties of sputtered La-Co alloy films have been studied.Less than 10A/m(100mOe)coercivity can be obtained in amorphous La_(100-x)Co_(x) films around x=80 and the coercivity of amorphous ...The structure and magnetic properties of sputtered La-Co alloy films have been studied.Less than 10A/m(100mOe)coercivity can be obtained in amorphous La_(100-x)Co_(x) films around x=80 and the coercivity of amorphous La^(20)Co_(80) film depends on the thickness of the film.The magnetization behaviour has been examined for the films with different compositions through magnetic hysteresis loops.An excellent rectangular magnetic hysteresis loop was obtained for films with thickness less than 60nm.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos.59471018 and 59392800the U.S.National Science Foundation Grant DMR-9222976 and OSR-1255255.
文摘The structure and magnetic properties of sputtered La-Co alloy films have been studied.Less than 10A/m(100mOe)coercivity can be obtained in amorphous La_(100-x)Co_(x) films around x=80 and the coercivity of amorphous La^(20)Co_(80) film depends on the thickness of the film.The magnetization behaviour has been examined for the films with different compositions through magnetic hysteresis loops.An excellent rectangular magnetic hysteresis loop was obtained for films with thickness less than 60nm.
基金Supported by the National Science Foundation of USA ( the most recent one being num bered PHY- 970 4 5 2 0 ) and by the U niversities of Missouri and Nebraska ( U SA )
