Table 8 The spin–lattice relaxation times T1ρ (ms) for 13C 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

  

1.41

8.18

27.67

3

 

0.025

38.11

18 ~ 21

29.13 ~ 37.13

4

  

32.36

24 ~ 29

13.90 ~ 14.06

5

1 ~ 19.14

0.038

60 ~ 150

7.7 ~ 10.9

40.11 ~ 43.83

6

  

37 ~ 112

39.53

48.40 ~ 54.55

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