Table 3. Dissociation temperatures of Ln₂O₃ · PdO compounds.

All radii of the rare earth cations taken from Arhens [16] with the exception of Y⁺³ which was taken from Roth and Schneider [8]. Parenthesis indicate decomposition temperatures of metastable 1:1 compounds.

SYSTEM	RADIUS OF Ln+3 Å	DISSOCIATION TEMP. °C
		2 Ln2O3 · PdO	Ln2O3 · PdO	Ln2O3 · 2 PdO
La2O3 - PdO	1.14	1190	—	1105
Nd2O3 - PdO	1.04	1135	(860)	1085
Sm2O3 - PdO	1.00	1115	(940)	1060
Eu2O3 - PdO	0.98	1085	(985)	1045
Gd2O3 - PdO	0.97	—	(1005)	1025
Dy2O3 - PdO	0.92	—	(1030)	—
Ho2O3 - PdO	0.91	—	—	—
Y2O3 - PdO	0.91	—	—	—
Er2 O3 - PdO	0.89	—	—	—
Tm2O3 - PdO	0.87	—	—	—
Yb2O3 - PdO	0.86	—	—	—
Lu2O3 - PdO	0.85	—	—	—