Supporting Information Downscaling Effect on Superconductivity in ...
Supporting Information
Downscaling Effect on Superconductivity in Pd3Bi2X2 (X = S, Se) Nanoparticles Prepared by Microwave-assisted Polyol Synthesis Maria Roslova*†, Lars Opherden‡|, Igor Veremchukǁ, Lena Spillecke‡|, Holm Kirmse§, Thomas Herrmannsdörfer|, Joachim Wosnitza‡|, Thomas Doert† and Michael Ruck†ǁ †
Department of Chemistry and Food Chemistry, Technische Universität Dresden, 01062
Dresden, Germany ‡
|
Institut für Festkörperphysik, Technische Universität Dresden, 01062 Dresden, Germany Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-
Rossendorf, 01314 Dresden, Germany ǁ
Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
§
Institute of Physics, Humboldt University of Berlin, 12489, Berlin, Germany
S1
Table S1. Crystallographic data for the Pd3Bi2X2 (X = S, Se) compounds Sample
Pd3Bi2S2
Pd3Bi2Se2
Crystal system
cubic
monoclinic
Space group
I213 (199)
C2/m (12)
Z
2
4
Cell parameters (Å)
a = 8.3096(1)
a = 11.741(1), b = 8.429(1), c = 8.423(1), β = 133.96(1)°
Cell volume (Å3)
573.77(1)
599.9 (1)
Calculated density (g/cm3)
9.2762
9.9116
2θ range
10.02 – 99.98
10.01 – 99.99
Rp
0.032
0.052
Rwp
0.044
0.071
Rexp
0.045
0.054
R(F)
0.011
0.022
GOF
0.941
1.769
Largest peak/hole (e/Å3 )
0.32/-0.25
1.28/-0.85
R values:
Table S2. Atomic coordinates and displacement parameters for Pd3Bi2S2 x
y
z
Uiso
Bi1
-0.00329 (18)
-0.00329 (18)
-0.00329 (18)
0.0312 (11)
Pd1
-0.25
-0.2752 (3)
0
0.0303 (12)
S1
-0.2811 (6)
-0.2811 (6)
-0.2811 (6)
0.021 (3)
Table S3. Atomic coordinates and displacement parameters for Pd3Bi2Se2 x
y
z
Uiso
Bi1
0.2226 (8)
0
0.2083 (5)
0.0347 (10)
Bi2
0.7472 (7)
0
0.2390 (7)
0.0347 (10)
Pd1
0.25
0.25
0
0.0376 (12)
Pd2
0.0305 (15)
0
0.3048 (11)
0.0376 (12)
Pd3
0
0.2733 (13)
0
0.0376 (12)
S2
Se1
0.0307 (10)
0.2944 (7)
0.3142 (8)
0.0258 (19)
Figure S1. Resistivity over temperature at different applied fields for the sintered Pd3Bi2Se2 sample. Inset: Resistivity up to 300 oC without an external field.
S3
Figure S2. SEM images representing the morphology of the (a) Pd3Bi2S2 and (b) Pd3Bi2Se2 samples after the spark plasma sintering procedure.
S4
Downscaling Effect on Superconductivity in Pd3Bi2X2 (X = S, Se) Nanoparticles Prepared by Microwave-assisted Polyol Synthesis Maria Roslova*†, Lars Opherden‡|, Igor Veremchukǁ, Lena Spillecke‡|, Holm Kirmse§, Thomas Herrmannsdörfer|, Joachim Wosnitza‡|, Thomas Doert† and Michael Ruck†ǁ †
Department of Chemistry and Food Chemistry, Technische Universität Dresden, 01062
Dresden, Germany ‡
|
Institut für Festkörperphysik, Technische Universität Dresden, 01062 Dresden, Germany Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-
Rossendorf, 01314 Dresden, Germany ǁ
Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
§
Institute of Physics, Humboldt University of Berlin, 12489, Berlin, Germany
S1
Table S1. Crystallographic data for the Pd3Bi2X2 (X = S, Se) compounds Sample
Pd3Bi2S2
Pd3Bi2Se2
Crystal system
cubic
monoclinic
Space group
I213 (199)
C2/m (12)
Z
2
4
Cell parameters (Å)
a = 8.3096(1)
a = 11.741(1), b = 8.429(1), c = 8.423(1), β = 133.96(1)°
Cell volume (Å3)
573.77(1)
599.9 (1)
Calculated density (g/cm3)
9.2762
9.9116
2θ range
10.02 – 99.98
10.01 – 99.99
Rp
0.032
0.052
Rwp
0.044
0.071
Rexp
0.045
0.054
R(F)
0.011
0.022
GOF
0.941
1.769
Largest peak/hole (e/Å3 )
0.32/-0.25
1.28/-0.85
R values:
Table S2. Atomic coordinates and displacement parameters for Pd3Bi2S2 x
y
z
Uiso
Bi1
-0.00329 (18)
-0.00329 (18)
-0.00329 (18)
0.0312 (11)
Pd1
-0.25
-0.2752 (3)
0
0.0303 (12)
S1
-0.2811 (6)
-0.2811 (6)
-0.2811 (6)
0.021 (3)
Table S3. Atomic coordinates and displacement parameters for Pd3Bi2Se2 x
y
z
Uiso
Bi1
0.2226 (8)
0
0.2083 (5)
0.0347 (10)
Bi2
0.7472 (7)
0
0.2390 (7)
0.0347 (10)
Pd1
0.25
0.25
0
0.0376 (12)
Pd2
0.0305 (15)
0
0.3048 (11)
0.0376 (12)
Pd3
0
0.2733 (13)
0
0.0376 (12)
S2
Se1
0.0307 (10)
0.2944 (7)
0.3142 (8)
0.0258 (19)
Figure S1. Resistivity over temperature at different applied fields for the sintered Pd3Bi2Se2 sample. Inset: Resistivity up to 300 oC without an external field.
S3
Figure S2. SEM images representing the morphology of the (a) Pd3Bi2S2 and (b) Pd3Bi2Se2 samples after the spark plasma sintering procedure.
S4
