Table 1.

Switching materials and SET/RESET current in published literature

RRAM materials with structure	Switching mode	Current		References
		SET	RESET
Pt/NiO/Pt	Unipolar	1 mA	>1 mA	Kim et al. [74]
Pt/NiO/W	Unipolar	~20 μA	~500 μA	Ielmini et al. [75]
Pt/NiO/Pt	Bipolar	3 mA	~3 mA	Jousseaume et al. [76]
Pt/TiO2/TiO2-x/Pt	Bipolar	<200 μA	<200 μA	Yang et al. [77]
Pt/Ti/TiO2/W and Pt/W/TiO2/W	Bipolar	500 μA	0.5 and 3 mA	Harmes et al. [78]
Ir/TiOx/TiN	Bipolar	1 mA	~2 mA	Park et al. [79]
TiN/TiOx/HfOx/TiN	Bipolar	40-200 μA	40-200 μA	Lee & Chen et al. [29,38]
Pt/ZrOx/HfOx/TiN	Bipolar	<200 μA	~200 μA	Lee et al. [83]
TiN/Ti/HfO2/TiN	Bipolar	150 μA	~100 μA	Walczyk et al. [84]
Ta/HfO2/TiN	Bipolar	100 μA	--	Chen et al. [85]
TiN/TiON/HfOx/Pt	Bipolar	50 μA	3050 μA	Yu et al. [86]
Ni or Co/Cu2O/Cu	Unipolar	~80 μA	~100 μA	Chen et al. [87]
Au or Pt/SrTiO3/Au or Pt	Bipolar	2.8 ± 0.8 mA	2.5 ± 0.5 mA	Szot et al. [43]
Au/SrTiO3/Ti	Bipolar	10 mA	~2 mA	Sun et al. [88]
Ti/ZrO2/Pt	Bipolar	30 mA (self)	~30 mA	Lin et al. [89]
Cu/ZrO2:Ti/Pt	Bipolar	1 mA	~10 mA	Liu et al. [90]
Ti/ZrO2/Pt	Bipolar	5 mA	~4 mA	Wang et al. [91]
Ti/Mo:ZrO2/Pt	Bipolar	<20 mA	<30 mA	Wang et al. [92]
TiON/WOx/W/TiN	Bipolar	100 nA	1 μA	Ho et al. [28]
TiN/WOx/W	Unipolar	--	--	Chien et al. [93]
Pt/WOx/W	Bipolar	10 mA	~10 mA	Kim et al. [30]
Ti/Al2O3/Pt	Bipolar	>1 mA	~7 mA	Lin et al. [94]
Pt/Al2O3/TiN	Bipolar	20 μA	~20 μA	Wu et al. [96]
IrOx/Al2O3/IrOxND/Al2O3/IrOx	Bipolar	500 μA	>1 mA	Banerjee et al. [97]
Cu/ZnO/n+	Unipolar	~500 μA	~3 mA	Qinan et al. [39]
Pt/Mn:ZnO/Pt	Unipolar	5 mA	~17 mA	Peng et al. [98]
Ti/ZnO/Ti	Nonpolar	20 mA	--	Andy et al. [99]
Pt/ZnO/Pt	Bipolar	3 mA	~3 mA	Chiu et al. [100]
Au/ZnO/Au	Bipolar	10 mA	~10 mA	Peng et al. [101]
TiW/SiOx/TiW	Unipolar	~100 μA	~200 μA	Yao et al. [102]
n-Si/SiOx/p-Si	Bipolar	2 μA	~100 μA	Mehonic et al. [103]
Pt/Gd2O3/Pt	Unipolar	10 mA	~30 mA	Cao et al. [104]
IrOx/GdOx/WOx/W	Bipolar	1 mA	~1 mA	Jana et al. [105]
Pt/Al/Pr0.7Ca0.3MnO3/Pt	Bipolar	1 mA	~10 μA	Seong et al. [106]
Ni/GeOx/HfON/TaN	Bipolar	0.1 μA (self)	0.3 nA	Cheng et al. [107]
IrOx/Al2O3/GeNWs/SiO2/p-Si	Bipolar	20 μA	22 μA	Prakash et al. [108]
Pt/TaOx/Pt	Bipolar	<170 μA	<170 μA	Wei et al. [109]
IrOx/TaOx/WOx/W	Bipolar	1 mA	627 μA	Prakash et al. [116]
Ta/TaOx/Pt	Bipolar	100 μA	~100 μA	Yang et al. [110]
Pt/Ta2O5-x/TaO2-x/Pt	Bipolar	200 μA	~200 μA	Lee et al. [31]