Hou Zhi-Peng, Ding Bei, Li Hang, Xu Gui-Zhou, Wang Wen-Hong, Wu Guang-Heng. Observation of new-type magnetic skymrions with extremerely high temperature stability and fabrication of skyrmion-based race-track memory deviceJ. Acta Physica Sinica, 2018, 67(13): 137509. DOI: 10.7498/aps.67.20180419