Table 2 Selected properties of (Ga,Mn)As, Li(Zn,Mn)As and (Ba,K)(Zn,Mn)2As2.

From: New diluted ferromagnetic semiconductor with Curie temperature up to 180 K and isostructural to the ‘122’ iron-based superconductors

 

(Ga,Mn)As

Li(Zn,Mn)As

(Ba,K)(Zn,Mn) 2 As 2

Valence before doping

III–V

I–II–V

II–II2–V2

Maximum FM temperature

185 K (ref.21)

50 K

180 K

Coercive field

<100 Oe (5 K)

30–100 Oe (2 K)

10000 Oe (2 K)

Saturation moment per Mn

5 μB

2.9 μB

2 μB

Sample form

Epitaxial thin film

Bulk specimen

Bulk specimen

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