1. W.F. Kuhs, R. Nitsche, K. Scheunemann, Vapour
growth and lattice data of new compounds with icosahedral structure of
the type Cu6PS5Hal (Hal = Cl, Br, I). Mat. Res. Bull. 11, p. 1115-1124
(1976). https://doi.org/10.1016/0025-5408(76)90010-6
2.
T. Nilges, A. Pfitzner, A structural differentiation of
quaternary copper argyrodites: Structure – property relations of high
temperature ion conductors. Z. Kristallogr. 220, p. 281-294 (2005). https://doi.org/10.1524/zkri.220.2.281.59142
3.
I.P. Studenyak, M. Kranjčec, Gy.Sh. Kovacs, I.D. Desnica, V.V.
Panko, V.Yu. Slivka, Influence of compositional disorder on optical
absorption processes in Cu6P(S1–xSex)5I crystals. J. Mat. Res. 16,
p.1600-1608 (2001). https://doi.org/10.1557/JMR.2001.0222
4.
I.P. Studenyak, M. Kranjčec, M.V. Kurik, Urbach rule and
disordering processes in Cu6P(S1–xSex)5Br1–yIy superionic conductors.
J. Phys. Chem. Solids, 67, p. 807-817 (2006). https://doi.org/10.1016/j.jpcs.2005.10.184
5.
A. Gagor, A. Pietraszko, D. Kaynts, Diffusion paths formation for
Cu+ ions in superionic Cu6PS5I single crystals studied in terms of
structural phase transition. J. Solid State Chem. 178, p. 3366-3375
(2005). https://doi.org/10.1016/j.jssc.2005.08.015
6.
I.P. Studenyak, V.O. Stefanovich, M. Kranjčec, D.I. Desnica,
Yu.M. Azhnyuk, Gy.Sh. Kovacs, V.V. Panko, Raman scattering studies of
Cu6PS5Hal (Hal = Cl, Br and I) fast-ion conductors. Solid State Ionics,
95, p. 221-225 (1997). https://doi.org/10.1016/S0167-2738(96)00477-8
7.
I.P. Studenyak, M. Kranjčec, Gy.Sh. Kovacs, V.V. Panko, D.I.
Desnica, A.G. Slivka, P.P. Gu-ranich, The effect of temperature and
pressure on the optical absorption edge in Cu6PS5X (X = Cl, Br, I)
crystals. J. Phys. Chem. Solids, 60, p. 1897-1904 (1999). https://doi.org/10.1016/S0022-3697(99)00220-6
8.
Gy.Sh. Kovacs, A.N. Borets, I.P. Studenyak, V.V. Panko, I.I.
Rosola, Optic-refractometric rela-tion and refraction index dispersion
in Cu6PS5Hal crystals. Ukr. Fiz. Zhurnal, 31, p. 1201-1204 (1986).
9.
A.L. Despotuli, A.V. Andreeva, B. Rambabu, Nanoionics of advanced
superionic conductors. Ionics, 11, p. 306-314 (2005). https://doi.org/10.1007/BF02430394
10.
I.P. Studenyak, M. Kranjčec, V.Yu. Izai, A.A. Cho-molyak, M.
Vorohta, V. Matolin, C. Cserhati, S. Kö-kényesi, Structural and
temperature-related disordering studies of Cu6PS5I amorphous thin
films. Thin Solid Films, 520, p. 1729-1733 (2012). https://doi.org/10.1016/j.tsf.2011.08.043
11.
I.P. Studenyak, M. Kranjčec, A.A. Chomolyak, M. Vorohta, V.
Matolin, Optical absorption and refractive properties of superionic
conductor Cu6PS5I thin films. Nanosystems, nanomaterials,
nanotechnologies, 10, p. 489-496 (2012).
12.
F. Urbach, The long-wavelength edge of photo-graphic sensitivity
and of the electronic absorption of solids. Phys. Rev. 92, p. 1324-1326
(1953). https://doi.org/10.1103/PhysRev.92.1324
14. M.V. Kurik, Urbach rule (Review). phys. status solidi (a), 8, p. 9-30 (1971).
15.
M. Beaudoin, A.J.G. DeVries, S.R. Johnson, H. Laman, T. Tiedje,
Optical absorption edge of semi-insulating GaAs and InP at high
temperatures. Appl. Phys. Lett. 70, p. 3540-3542 (1997). https://doi.org/10.1063/1.119226
16.
Z. Yang, K.P. Homewood, M.S. Finney, M.A. Har-ry, K.J. Reeson,
Optical absorption study of ion beam synthesized polycrystalline
semiconducting FeSi2. J. Appl. Phys.78, p. 1958-1963 (1995). https://doi.org/10.1063/1.360167
17.
G.D. Cody, T. Tiedje, B. Abeles, B. Brooks, Y. Goldstein,
Disorder and the optical-absorption edge of hydrogenated amorphous
silicon. Phys. Rev. Lett. 47, p. 1480-1483 (1981). https://doi.org/10.1103/PhysRevLett.47.1480