Table 1 Comparison of sample sets

From: Collective magnetism in an artificial 2D XY spin system

 

Set 1

Set 2

Set 3

Properties of the magnetic nanodiscs

 d

70 nm

40 nm

35 nm

 h

2.7 nm

3.5 nm

6.0 nm

Properties of the strongly interacting samples

 a

100 nm

70 nm

55 nm

 TC

97.1 ± 1.0 K

106.0 ± 1.2 K

143.1 ± 4.0 K

 gfast

3.94%

6.85%

10.77%

Properties of the non-interacting samples

 a

200 nm

140 nm

110 nm

 TB

39.6 ± 6.3 K

49.1 ± 8.2 K

67.6 ± 12.5 K

  1. Given are nanodisc diameter and thickness, d and h, and the lattice periodicity a. Values for the single-particle blocking temperature TB, the critical temperature TC, and the magnitude of the fast fraction gfast are obtained from zero-field μSR measurements
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