Table 1 Seebeck coefficients of MTJs with different materials

From: Large magneto-Seebeck effect in magnetic tunnel junctions with half-metallic Heusler electrodes

Materials

V P(μV)

V AP(μV)

S P(μVK−1)

S AP(μVK−1)

TMS

Co40Fe40B20 a

90.6

93.2

−750

−770

2.8%

Co26Fe54B20 b

6.0

9.0

−545

−818

50%

Co2FeAlc

−227

−442

582

1133

−95%

Co2FeSid

−370

−664

948

1703

−80%

  1. The elliptical MTJs have diameters of 2 μm × 1 μm. The Seebeck voltages are obtained at 150 mW laser heating
  2. aCo40Fe40B20/MgO 1.5 nm/Co40Fe40B20, for more values see ref. 5
  3. bCo26Fe54B20/MgO 1.7 nm/Co26Fe54B20, for more values see refs 3, 6
  4. cCo2FeAl/MgO 2 nm/Co40Fe40B20
  5. dCo2FeSi/MgO 2 nm/Co70Fe30
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