The Vibrational Spectroscopy of the Valence Bonds of Cu-Doped TiO₂ Using Electronegativity Principle Quantitative Calculations

Table 1

Instrument parameters.

Equipment name	Parameters
FT-IR (Fourier transform infrared spectroscopy)	Spectral range: 4000–400 cm^−1
	Max resolution ratio: 0.0035 cm^−1
	SNR (Signal to Noise Ratio): 50000 : 1
XRD	The sample size: φ ≤ 350 mm
	Export: asc, raw, dat, and so on.
TEM	Magnification times: 80∼1000k times
	Resolution ratio: 0.15∼0.18 nm
	Acceleration voltage: 200 kV