Figure 1

(a) XRD patterns of as-grown VCMT crystals and standard card with No. 65-8867, (b) typical IR transmittance spectrum of sample 5-D, (c) typical UV-VIS-NIR spectrum, and (d) derivative curve of UV-VIS-NIR spectrum.

(a) XRD patterns of as-grown VCMT crystals and standard card with No. 65-8867, (b) typical IR transmittance spectrum of sample 5-D, (c) typical UV-VIS-NIR spectrum, and (d) derivative curve of UV-VIS-NIR spectrum.