Table 7 The spin–lattice relaxation times T (ms) for 1H of [NH3(CH2)nNH3]MCl4 (n = 2, 3, 4, 5, and 6; M = Mn, Co, Cu, Zn, and Cd) crystals.

From: Exploring the potential applications of lead-free organic–inorganic perovskite type [NH3(CH2)nNH3]MCl4 (n = 2, 3, 4, 5, and 6; M = Mn, Co, Cu, Zn, and Cd) crystals

M

Mn

Co

Cu

Zn

Cd

2

20.8

 

7.79 ~ 8.95

449

204 ~ 212

3

15.4

0.016

12.98 ~ 14.84

844

411 ~ 551

4

14.4

 

12.91 ~ 14.29

411

334 ~ 357

5

0.0088 ~ 0.094

0.017

12.16 ~ 14.07

360

502 ~ 761

6

20.8

 

12.87 ~ 15.75

255

32 ~ 45