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90th anniversary of Czochralski pulling method

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Compound<br />

X (IIIA group) group<br />

dρ ph /dT(µΩcm/K)<br />

0.6<br />

0.4<br />

0.2<br />

Al<br />

Si<br />

Crystal<br />

structure<br />

V (Å ( 3 )<br />

GdPdAl (143pm) TiNiSi<br />

240.4<br />

GdPdGa (135pm) Co 2 Si<br />

240.3<br />

GdPdIn (167pm) Co 2 Si<br />

223.0<br />

Ga<br />

Ge<br />

Sn<br />

y=Bexp(-d)<br />

B=83<br />

0<br />

4.5 5.0 5.5 6.0 6.5 7.0<br />

d<br />

Pd 4d<br />

ΓFWHM FWHM (eV eV)<br />

In<br />

Compound<br />

X (IVA group) group<br />

Crystal<br />

structure<br />

V (Å ( 3 )<br />

2.2 GdPdSi (118 pm) pm β – GdPdSi<br />

455.0<br />

1.7 GdPdGe (122 pm) pm β – GdPdGe<br />

471.6<br />

1.3 GdPdSn (140 pm) pm Co 2 Si<br />

264.9<br />

d = M·n/V<br />

Pd 4d<br />

ΓFWHM FWHM<br />

2.4<br />

2.1<br />

1.9<br />

(M – molecular mass <strong>of</strong> the<br />

GdPdX compound,<br />

n – number <strong>of</strong> molecules per<br />

unit cell volume,<br />

V- unit cell volume)<br />

(eV eV)

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