[1] S L Zhang, S Y Guo, Z F Chen, Y L Wang, H J Gao, J Gomez-Herrero, P Ares, F Zamora, Z Zhu, H B Zeng. Chem. Soc. Rev, 47, 982(2018).

[2] B J Feng, J Zhang, Q Zhong, W B Li, S Li, H Li, P Cheng, S Meng, L Chen, K H Wu. Nat. Chem, 8, 563(2016).

[3] Z H Qin, J B Pan, S Z Lu, S Yan, Y L Wang, S X Du, H J Gao, G Y Cao. Adv. Mater, 29(2017).

[4] L Meng, Y L Wang, L Z Zhang, S X Du, R T Wu, L F Li, Y Zhang, G Li, H T Zhou, W A Hofer, H J Gao. Nano Lett, 13, 685(2013).

[5] J L Zhang, S T Zhao, C Han, Z Z Wang, S Zhong, S Sun, R Guo, X Zhou, C D Gu, K D Yuan, Z Y Li, W Chen. Nano Lett, 16, 4903(2016).

[6] N D Lu, L F Wang, L Li, M Liu. Chin. Phys. B, 26(2017).

[7] J Yang, Y R Lu. Chin. Phys. B, 26(2017).

[8] X C Huang, J Q Guan, Z J Lin, B Liu, S Y Xing, W H Wang, J D Guo. Nano Lett, 17, 4619(2017).

[9] X Wu, Y Shao, H Liu, Z Feng, Y L Wang, J T Sun, C Liu, J O Wang, Z L Liu, S Y Zhu, Y Q Wang, S X Du, Y G Shi, K Ibrahim, H J Gao. Adv. Mater, 29(2017).

[10] F Reis, G Li, L Dudy, M Bauernfeind, S Glass, W Hanke, R Thomale, R Schafer, R Claessen. Science, 357, 287(2017).

[11] K L Li, Y J Yu, G J Ye, Q Q Ge, X D Ou, H Wu, D L Feng, X H Chen. Nat. Nanotechnol, 9, 372(2014).

[12] K Sugawara, T Sato, S Souma, T Takahashi, M Arai, T Sasaki. Phys. Rev. Lett, 96(2006).

[13] D Hsieh, Y Xia, L Wray, D Qian, A Pal, J H Dil, J Osterwalder, F Meier, G Bihlmayer, C L Kane, Y S Hor, J R Cava, M Z Hasan. Science, 323, 919(2009).

[14] J Seo, P Roushan, H Beidenkopf, Y S Hor, J R Cava, A Yazdani. Nature, 466, 343(2010).

[15] P F Zhang, Z Liu, W H Duan, F Liu, J Wu. Phys. Rev. B, 85(2012).

[16] P Ares, F Zamora, J Gomez-Herrero. Acs Photon, 4, 600(2017).

[17] C Gibaja, D Rodriguez-San-Miguel, P Ares, J Gomez-Herrero, M Varela, R Gillen, J Maultzsch, F Hauke, A Hirsch, G Abellan, F Zamora. Angew. Chem. Int. Edit, 55(2016).

[18] X Sun, Z H Lu, Y Xiang, Y P Wang, J Shi, G C Wang, M A Washington, M T Lu. ACS Nano, 12, 6100(2018).

[19] X Y Dai, G Q Jin, J Q Dong, C B Wang, X Zhao, Y P Chu, P C Xi, W H Deng, H M Zhang, Y He. Acta Phys. Sin, 60(2011).

[20] Y F Qiu, H W Du, B Wang. Acta Phys. Sin, 60(2011).

[21] N Panahi, M T Hosseinnejad, M Shirazi, M Ghoranneviss. Chin. Phys. Lett, 33(2016).

[22] S J Liu, Y F He, H Y Wei, P Qiu, W M Song, Y L An, A Rehman, M Z Peng, X H Zheng. Chin. Phys. Lett, 28(2019).

[23] W Lan, G M Tang, W L Cao, X Q Liu, Y Y Wang. Acta Phys. Sin, 58, 8501(2009).

[24] L H Yu, A J Xue, S T Dong, J H Xu. Acta Phys. Sin, 59, 4150(2010).

[25] B Sun, H D Chang, L Lu, H G Liu, D X Wu. Chin. Phys. Lett, 29(2012).

[26] S J Su, W Wang, G Z Zhang. Acta Phys. Sin, 60(2011).

[27] T Lei, C Liu, J L Zhao, J M Li, Y P Li, J O Wang, R Wu, H J Qian, H Q Wang, K Ibrahim. J. Appl. Phys, 119(2016).

[28] M Fortin-Deschenes, O Waller, T O Mentes, A Locatelli, S Mukherjee, F Genuzio, P L Levesque, A Hebert, R Martel, O Moutanabbir. Nano Lett, 17, 4970(2017).

[29] Y Shao, Z L Liu, C Cheng, X Wu, H Liu, C Liu, J O Wang, S Y Zhu, Y Q Wang, D X Shi, K Ibrahim, J T Sun, Y L Wang, H J Gao. Nano Lett, 18, 2133(2018).

[30] G G Yao, Z Y Luo, F Pan, W T Xu, P Y Feng, X S Wang. Sci. Rep, 3, 2010(2013).

[31] S H K Kim, K H Jin, J Park, J S Kim, S H Jhi, H W Yeom. Sci. Rep, 6(2016).

[32] Z F Luo, Z M Wu, X D Xu, T Wang, X D Jiang. Acta Phys. Sin, 60(2011).

[33] X Q Meng, Y Z Fang, F M Wu. Chin. Phys. Lett, 29(2012).

[34] X J Liu, W Q Cao, Z H Huang, J Yuan, X Y Fang, M S Gao. Chin. Phys. Lett, 32(2015).

[35] J J Yang, Q Q Fang, W H Du, K K Zhang, D S Dong. Chin. Phys. B, 27(2018).

[36] C F Zhu, X Sha, X Y Chu, J H Li, M Z Xu, F J Jin, Z K Xu. Chin. Phys. B, 27(2018).

[37] X M He, Z M Chen, L B Li. Chin. Phys. Lett, 32(2015).

[38] X M Shi, G Y Wang, R F Wang, X Y Zhou, J T Xu, J Tang, R Ang. Chin. Phys. B, 27(2018).

[39] M R Tan, Q H Liu, N Sui, Z H Kang, L Q Zhang, H Z Zhang, W Q Wang, Q Zhou, Y H Wang. Chin. Phys. B, 28(2019).

[40] K C Shen, C Q Hua, Z F Liang, Y Wang, H L Sun, J P Hu, H Zhang, H Y Li, Z Jiang, H Huang, P Wang, Z Sun, E Wahlström, Y H Lu, F Song. ACS Appl. Electron. Mater, 1, 1817(2019).

[41] F Song, J W Wells, Z Jiang, M Saxegaard, . EACS Appl. Mater. Interfaces, 7, 8525(2015).

[42] Z Q Yang, J F Jia, D Dong Qian. Chin. Phys. B, 25(2016).

[43] G X Wang, P Pandey, S P Karna. Acs Appl. Mater. Inter, 7(2015).

[44] T Märkl, P J Kowalczyk, M L Ster, I V Mahajan, H Pirie, Z Ahmed, G Bian, X Wang, T C Chiang, S A Brown. 2D Mater, 5(2018).

[45] B Stegemann, C Ritter, B Kaiser, K Rademann. J. Phys. Chem. B, 108(2004).

[46] B Kaiser, B Stegemann, H Kaukel, K Rademann. Surf. Sci, 496, L18-L22(2002).

[47] K C Shen, C Q Hua, Z F Liang, Y Wang, H L Sun, J P Hu, H Zhang, H Y Li, Z Jiang, H Huang, P Wang, Z Sun, E Wahlstrom, Y H Lu, F Son. ACS Appl. Electron. Mater, 1, 1817(2019).

[48] X X Feng, N X Liu, N Zhang, T B Wei, J X Wang, J M Li. Chin. Phys. Lett, 31(2014).

[49] J X Luo, J Chen, Z Chai, K Lv, W W He, Y Yang, X Wang. Chin. Phys. Lett, 31(2014).

[50] Y Liu, Y Y Li, S Rajput, D Gilks, L Lari, P L Galindo, M Weinert, V K Lazarov, L Li. Nat. Phys, 10, 294(2014).