Table 1 Total energy of different slab structures before and after Pt doping.

From: Improved magnetostriction in Galfenol alloys by aligning crystal growth direction along easy magnetization axis

 

Surface

No

1

2

3

4

Average E

\({\stackrel{-}{E}}_{s}\)(eV/Å2)

Fe–Ga

(1 0 0)

E (eV)

− 379.5764

− 382.6708

− 384.1361

− 380.7047

− 381.7720

0.1320

S (Å2)

68.1251

69.2346

69.2287

68.1038

68.6730

(1 1 0)

E (eV)

− 773.8652

− 773.6429

− 773.8266

 

− 773.7782

0.1274

S (Å2)

102.2652

102.3563

101.9178

 

102.1798

Fe–Ga–Pt

(1 0 0)

E (eV)

− 382.9563

− 384.4188

− 386.0369

− 382.5636

− 383.9939

0.1259

S (Å2)

8.2348

8.3234

8.3195

8.2650

8.2857

(1 1 0)

E (eV)

− 775.7081

− 775.3140

− 775.8527

 

− 775.6249

0.1319

S (Å2)

102.4392

102.7928

102.3055

 

102.5125