[1] Backus J[J]. Commun. ACM, 21, 513(1978).

[2] Wang J, Zhuge F[J]. Adv. Mater. Technol., 4, 1800544(2019).

[3] Murre J M, Sturdy D P[J]. Biol. Cybern., 73, 529(1995).

[4] Braitenberg V, Schuz A A[J]. J. Anat., 179, 203(1991).

[5] Sporns O, Tononi G, Kötter R[J]. PLoS Comput. Biol., 1, 42(2005).

[6] Hebb D O[J]. Am. J. Psychol., 63, 633(1949).

[7] Wixted J T, Ebbesen E B[J]. Psychol. Sci., 2, 409(1991).

[8] Douglas R, Mahowald M, Mead C[J]. Annu. Rev. Neurosci., 18, 255(1995).

[9] Jürgen S[J]. Neural Networks, 61, 85(2015).

[10] Dean J, Corrado G S, Monga R, Chen K, Devin M, Le Q V, Mao M Z, Ranzato M A, Senior A, Tucker P, Yang K, Ng A Y[J]. Advances in Neural Information Processing Systems, 1232(2012).

[11] Rachmuth G, Poon C S[J]. Hfsp Journal, 2, 156(2008).

[12] Liu Y H, Zhu L Q, Feng P, Shi Y, Wan Q[J]. Adv. Mater., 27, 5599(2015).

[13] Lont J B, Guggenbuhl W[J]. IEEE Trans. Neural Networks, 3, 457(1992).

[14] Dmitri B S, Gregory S S, Duncan R S, Williams R S[J]. Nature, 453, 80(2008).

[15] Jeong H, Shi L P[J]. J. Phys. D: Appl. Phys., 52, 023003(2019).

[16] Waser R, Aono M[J]. Nat. Mater., 6, 833(2007).

[17] Hirose Y, Hirose H[J]. J. Appl. Phys., 47, 2767(1976).

[18] Yu Z Q, Liu M L, Lang J X, Qian K, Zhang C H[J]. Acta Phys. Sin., 67, 157302(2018).

[19] Hui Q H, Zhao L, Wang X P[J]. Neurocomputing, 330, 11(2019).

[20] Daniele I[J]. Semicond. Sci. Technol., 31, 063002(2016).

[21] Wu L, Liu H X, Li J B, Wang S L, Wang X[J]. Nanoscale Res. Lett., 14, 184(2019).

[22] Gurme S T, Dongale T D, Surwase S N, Kumbhar S D, More G M, Pati V L, Patil P S, Kamat R K, Jadhav J P[J]. Phys. Status Solidi., 215, 1800550(2018).

[23] Ling Z, Ren C E, Zhao M Q, Yang J, Giammarco J M, Qiu J, [J]. PNAS, 111, 16676(2014).

[24] Lei J C, Zhang X, Zhou Z, Lei J C, Zhang X, Zhou Z[J]. Front. Phys. Beijing, 10, 276(2015).

[25] Yan X B, Wang K Y, Zhao J H, Zhou Z Y, Wang H, Wang J J, Zhang L, Li X Y, Xiao Z A, Zhao Q L, Pei Y F, Wang G, Qin C Y, Li H, Lou J Z, Liu Q, Zhou P[J]. Small, 15, 1900107(2019).

[26] Li D, Wu B, Zhu X, Wang J, Ryu B, Lu W D, Lu W, Liang X[J]. ACS Nano, 12, 9240(2018).

[27] Zhou L, Yang S W, Ding G Q, Yang J Q, Ren Y, Zhang S R, Mao J Y, Yang Y C, Zhou Y, Han S T[J]. Nano Energy, 58, 293(2019).

[28] Radtke P K, Schimansky G L[J]. AIP Adv., 6, 055119(2016).

[29] Dickinson A[J]. Br. Med. Bull., 37, 165(1981).

[30] Zhang M C, Wang Y Q, Gao F, Wang Y, Shen X Y, He N, Zhu J L, Chen Y H, Wan X, Lian X J, Hu E T, Xu J G, Tong Y[J]. Ceram. Int., 45, 19467(2019).

[31] Chen Y H, Xu W, Wang Y Q, Wan X, Li Y F, Liang D K, Lu L Q, Liu X W, Lian X J, Hu E T, Guo Y F, Xu J G, Tong Y, Xiao J[J]. Acta Phys. Sin., 68, 098501(2019).

[32] McAndrew C C, Coram G J, Gullapalli K K, Jones J B, Nagel L W, Roy A S, Roychowdhury J, Scholten A J, Smit G D J, Wang X, Yoshitomi S[J]. IEEE J. Electron Dev., 3, 383(2017).

[33] Messaris I, Serb A, Stathopoulos S, Khiat A, Nikolaidis S, Prodromakis T[J]. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 37, 3151(2018).

[34] McDonald N R, Pino R E, Rozwood P J, Wysocki B T[J]. IEEE International Joint Conference on Neural Networks, 1(2010).

[35] Dongale T D, Patil P J, Desai N K, Chougule P P, Kumbhar S M, Waifalkar P P, Patil P B, Vhatkar R S, Takale M V, Gaikwad P K, Kamat R K[J]. Nano Convergence, 3, 16(2016).

[36] Hu X, Feng G, Duan S, Liu L[J]. IEEE T. Neur. Net. Lear., 28, 1889(2016).

[37] Zhao J, Zhou Z, Zhang Y, Wang J, Zhang L, Li X, Zhao M, Wang H, Pei Y, Zhao Q, Xiao Z, Wang K, Qin C, Wang G, Li H, Ding B, Yan F, Wang K, Ren D, Liu B, Yan X[J]. J. Mater. Chem. C, 7, 1298(2019).

[38] Pan Y, Wan T, Du H, Qu B, Wang D, Ha T J, Chu D[J]. J. Alloys Compd., 757, 496(2018).

[39] Hong X L, Loy J J, Dananjaya P A, Tan F, Ng C M, Lew W S[J]. J. Mater. Sci., 53, 8720(2018).

[40] Wan X, Liang D K, Gao Fei, Lian X J, Tong Y[J]. Appl. Phys. Express, 11, 114601(2018).

[41] Yakopcic C, Tarek T M[J]. International Joint Conference on Neural Networks, 8489252(2018).