The calculated values boundary (τ) relaxation time of CETCo_x at different temperature for all compounds.

	x = 0.00			x = 0.05			x = 0.10
T (K)	M′′max (10−4)	f max (Hz)	τ (s) (10−5)	M′′max (10−4)	f max (Hz)	τ (s) (10−5)	M′′max (10−4)	f max (Hz)	τ (s) (10−5)
600	5.3876	20 260	78, 556	5.7917	7727	2, 0597	6.711	9652	1, 6489
620	5.2041	39 480	40, 312	6.0695	12 980	1, 2261	8.0635	15 060	1, 0568
640	5.2273	45 790	34, 757	5.9102	13 980	1, 1384	8.8870	27 250	0, 584
660	5.3369	49 310	32, 276	5.7489	13 980	1, 1384	7.4190	82 850	0, 1921
680	5.2223	57 190	27, 829	5.5156	15 060	1, 0568	6.9366	111 500	0, 1873
700	5.3866	61 590	25, 841	4.9890	16 220	0, 9812	6.1743	187 300	0, 0849