Table 1.

FE properties of different morphologies of SnO₂nanostructures

Different morphologies	Turn-on field (Vμm−1)	Threshold field (Vμm−1)	Current density (at 5 Vμm−1) mA/cm2	References
Sallow-like	1.88	3.98	–	[9]
Fishbone-like	2.36	2.87	~1.0	[9]
Beaklike nanorods	5.8	–	–	[18]
Nanowhiskers	1.37	–	~0.1	[10]
Zigzag nanobelts	1.9	5.1	~0.9	[19]
As-grown nanowires	4.03	5.4	0.3	This paper
Nanowires post-annealed in O2at 1,000 °C	3.77	4.4	6.58	This paper