Growth and Characterization of ULMA Single Crystals Doped with Ammonium Chloride

Table 1

Wave numbers of the absorption band maxima in the FTIR spectra of the grown samples.

Ammonium chloride concentration in the ULMA single crystal	Wave number and assignments, (cm^−1)
	Stretching vibration from amino groups	Carbonyl stretching vibrations
0 wt%	3489.77	1637.45
5 wt%	3459.75	1643.42
10 wt%	3468.79	1641.45
15 wt%	3474.73	1645.42