We exploit the recoil loop measurements to study La0.07 Sr0.33 Mn O3/La0.33 Ca0.67 Mn O3 bilayer film. the asymmetric magnetization reversal in an exchange-biased It is found that the recoil curve encloses a marked ar...We exploit the recoil loop measurements to study La0.07 Sr0.33 Mn O3/La0.33 Ca0.67 Mn O3 bilayer film. the asymmetric magnetization reversal in an exchange-biased It is found that the recoil curve encloses a marked area only in the second quadrant of the hysteresis loop, and the recoil susceptibility in the descending branch of the major loop is evidently higher than that in the ascending branch. The study indicates that the exchange anisotropy of a unidirectional nature and an orientation deviated from the easy axis of the ferromagnetic layer plays a crucial role in creating the reversal asymmetry.展开更多
In this paper,we briefly report the property diference of La_(1-x)Sr_(x)MnO_(3)(x=0.1)ultra—thin films(^([001])orientation)at diferent thickness grown on SrTiO_(3)(100)substrate.It is found that the magnetic interact...In this paper,we briefly report the property diference of La_(1-x)Sr_(x)MnO_(3)(x=0.1)ultra—thin films(^([001])orientation)at diferent thickness grown on SrTiO_(3)(100)substrate.It is found that the magnetic interaction is greatly enhanced when film thickness is between 5nm-10nm.展开更多
Both tensile strain and compressive strain effects on the properties of La_(1-x)Sr_(x)MnO_(3)(x=0.1)films were investigated.The films on SrTiO_(3)(100)display’unusual’tensile strain⋯。which supports a ferro-magnetic...Both tensile strain and compressive strain effects on the properties of La_(1-x)Sr_(x)MnO_(3)(x=0.1)films were investigated.The films on SrTiO_(3)(100)display’unusual’tensile strain⋯。which supports a ferro-magnetic metallic behavior when film thickness is larger than lOnm.The films on NdGaO_(3)(100)presenting compressive strain,on the other hand,demonstrate strongly enhanced insulating behavior.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No 10774173.
文摘We exploit the recoil loop measurements to study La0.07 Sr0.33 Mn O3/La0.33 Ca0.67 Mn O3 bilayer film. the asymmetric magnetization reversal in an exchange-biased It is found that the recoil curve encloses a marked area only in the second quadrant of the hysteresis loop, and the recoil susceptibility in the descending branch of the major loop is evidently higher than that in the ascending branch. The study indicates that the exchange anisotropy of a unidirectional nature and an orientation deviated from the easy axis of the ferromagnetic layer plays a crucial role in creating the reversal asymmetry.
基金This work is supported by National Natural Science Foundation of China under contract number of 10274026Yunnan Natural Science Fondation of China under contract number of 2003E0019M
文摘In this paper,we briefly report the property diference of La_(1-x)Sr_(x)MnO_(3)(x=0.1)ultra—thin films(^([001])orientation)at diferent thickness grown on SrTiO_(3)(100)substrate.It is found that the magnetic interaction is greatly enhanced when film thickness is between 5nm-10nm.
基金This work is supported by National Natural Science Foundation of China under contract number of 10274026Yunnan Natural Science Foundation of China under contract number of 2003E0019M
文摘Both tensile strain and compressive strain effects on the properties of La_(1-x)Sr_(x)MnO_(3)(x=0.1)films were investigated.The films on SrTiO_(3)(100)display’unusual’tensile strain⋯。which supports a ferro-magnetic metallic behavior when film thickness is larger than lOnm.The films on NdGaO_(3)(100)presenting compressive strain,on the other hand,demonstrate strongly enhanced insulating behavior.
