The magnetic properties of single crystals Si,Sr Ti O_(3),La Al O_(3),Mg O,and(La,Sr)(Al,Ta)O_(3)were investigated systematically.Three origins of the magnetizations of these crystals,namely,an intrinsic diamagnetic,a...The magnetic properties of single crystals Si,Sr Ti O_(3),La Al O_(3),Mg O,and(La,Sr)(Al,Ta)O_(3)were investigated systematically.Three origins of the magnetizations of these crystals,namely,an intrinsic diamagnetic,a paramagnetic,and a ferromagnetic contribution,have been found to influence the magnetic signals measured on the crystals,in some important application scenarios such crystals being served as substrates with the magnetic thin film epitaxially grown on.Quantitative analyses methodologies were developed and thorough investigations were performed on the crystals with the intrinsic materials parameters thus revealed,especially that the intrinsic diamagnetic susceptibility differential dχdia/d T were identified quantitatively for the first time in Sr Ti O_(3),La Al O_(3),Mg O,and(La,Sr)(Al,Ta)O_(3).The paramagnetic contribution is found to be the key in terms of the magnetic properties of the crystals,which in turn is in fact a consequence of the 3d impurities doping inside the crystal.All the intrinsic materials parameters are given in this paper as datasets,the datasets are openly available at https://www.doi.org/10.57760/sciencedb.j00113.00028.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.61974161 and 11474324)。
文摘The magnetic properties of single crystals Si,Sr Ti O_(3),La Al O_(3),Mg O,and(La,Sr)(Al,Ta)O_(3)were investigated systematically.Three origins of the magnetizations of these crystals,namely,an intrinsic diamagnetic,a paramagnetic,and a ferromagnetic contribution,have been found to influence the magnetic signals measured on the crystals,in some important application scenarios such crystals being served as substrates with the magnetic thin film epitaxially grown on.Quantitative analyses methodologies were developed and thorough investigations were performed on the crystals with the intrinsic materials parameters thus revealed,especially that the intrinsic diamagnetic susceptibility differential dχdia/d T were identified quantitatively for the first time in Sr Ti O_(3),La Al O_(3),Mg O,and(La,Sr)(Al,Ta)O_(3).The paramagnetic contribution is found to be the key in terms of the magnetic properties of the crystals,which in turn is in fact a consequence of the 3d impurities doping inside the crystal.All the intrinsic materials parameters are given in this paper as datasets,the datasets are openly available at https://www.doi.org/10.57760/sciencedb.j00113.00028.