[1] A Brataas, K M D Hals. Nat. Nanotechnol, 9, 86(2014).

[2] P Gambardella, I M Miron. Philos. Trans. A. Math. Phys. Eng. Sci, 369, 3175(2011).

[3] P M Haney, H W Lee, K J Lee, A Manchon, M D Stiles. Phys. Rev. B, 87(2013).

[4] D Ralph, M Stiles. J. Magn. Magn. Mater, 320, 1190(2008).

[5] A Brataas, Y Tserkovnyak, G E W Bauer, P J Kelly. Spin Pumping and Spin Transfer in Spin Current, 87(2012).

[6] I M Miron, K Garello, G Gaudin, P J Zermatten, M V Costache, S Auffret, S Bandiera, B Rodmacq, A Schuhl, P Gambardella. Nature, 476, 189(2011).

[7] L Liu, C F Pai, Y Li, H W Tseng, D C Ralph, R A Buhrman. Science, 336, 555(2012).

[8] G Yu, P Upadhyaya, Y Fan, J G Alzate, W Jiang, K L Wong, S Takei, S A Bender, L T Chang, Y Jiang, M Lang, J Tang, Y Wang, Y Tserkovnyak, P K Amiri, K L Wang. Nat. Nanotechnol, 9, 548(2014).

[9] X Y Feng, Q H Zhang, H W Zhang, Y Zhang, R Zhong, B W Lu, J W Cao, X L Fan. Chin. Phys. B, 28(2019).

[10] R Ramaswamy, J M Lee, K Cai, H Yang. Appl. Phys. Rev, 5(2018).

[11] Y C Zhao, G Yang, B W Dong, S G Wang, C Wang, Y Sun, J Y Zhang, G H Yu. Chin. Phys. B, 25(2016).

[12] C O Avci, E Rosenberg, M Baumgartner, L Beran, A Quindeau, P Gambardella, C A Ross, G S D Beach. Appl. Phys. Lett, 111(2017).

[13] M Gabor, T Petrisor, R B Mos, A Mesaros, M Nasui, M Belmeguenai, F Zighem, C Tiusan. J. Phys. D: Appl. Phys, 49(2016).

[14] W H Hsu, R Bell, R H Victora. IEEE Trans. Magn, 54(2018).

[15] K Garello, I M Miron, C O Avci, F Freimuth, Y Mokrousov, S Blügel, S Auffret, O Boulle, G Gaudin, P Gambardella. Nat. Nanotechnol, 8, 587(2013).

[16] I M Miron, G Gaudin, S Auffret, B Rodmacq, A Schuhl, S Pizzini, J Vogel, P Gambardella. Nat. Mater, 9, 230(2010).

[17] P P J Haazen, E Muré, J H Franken, R Lavrijsen, H J M Swagten, B Koopmans. Nat. Mater, 12, 299(2013).

[18] L Q Liu, O J Lee, T J Gudmundsen, D C Ralph, R A Buhrman. Phys. Rev. Lett, 109(2012).

[19] J Kim, J Sinha, M Hayashi, M Yamanouchi, S Fukami, T Suzuki, S Mitani, H Ohno. Nat. Mater, 12, 240(2013).

[20] Z C Zheng, Q X Guo, D Jo, D Go, L H Wang, H C Chen, W Yin, X M Wang, G H Yu, W He, H W Lee, J Teng, T Zhu. Phys. Rev. Res, 2(2020).

[21] X P Qiu, P Deorani, K Narayanapillai, K S Lee, K J Lee, H W Lee, H S Yang. Sci. Rep, 4, 4491(2015).

[22] S Emori, T X Nan, A M Belkessam, X J Wang, A D Matyushov, C J Babroski, Y Gao, H Lin, N X Sun. Phys. Rev. B, 93(2016).

[23] X Fan, J Wu, Y Chen, M J Jerry, H Zhang, J Q Xiao. Nat. Commun, 4, 1799(2013).

[24] X Zhou, M Tang, X L Fan, X P Qiu, S M Zhou. Phys. Rev. B, 94(2016).

[25] L Wang, R J H Wesselink, Y Liu, Z Yuan, K Xia, R J Kelly. Phys. Rev. Lett, 116(2016).

[26] S F Li, T Zhu. Jpn. J. Appl. Phys, 59(2020).

[27] N T Thanh, M G Chun, J Schmalhorst, G Reiss, K Y Kim, C G Kim. J. Magn. Magn. Mater, 304, e84(2006).

[28] G H Li, T Yang, Q Hu, W Y Lai. Appl. Phys. Lett, 77, 1032(2000).

[29] A Manchon, H C Koo, J Nitta, S M Frolov, R A Duine. Nat. Mater, 14, 871(2015).

[30] I M Miron, T Moore, H Szambolics, L D Buda, S Auffret, B Rodmacq, S Pizzini, J Vogel, M Bonfim, A Schuhl, G Gaudin. Nat. Mater, 10, 419(2011).

[31] X P Qiu, K Narayanapillai, Y Wu, P Deorani, D H Yang, W S Noh, J H Park, K J Lee, H W Lee, H Yang. Nat. Nanotechnol, 10, 333(2015).

[32] R W Greening, D A Smith, Y M Lin, Z J Jiang, J Barber, S Dail, J J Heremans, S Emori. Appl. Phys. Lett, 116(2020).