Electrical Transport — Two one-dimensional germanium(IV) coordination polymers based on macrocyclic tetraaza[14]annulene with notable semiconducting property

Measurement evidence

Electrical Transport

Two one-dimensional germanium(IV) coordination polymers based on macrocyclic tetraaza[14]annulene with notable semiconducting property · Wang X., Shen X., Zhang Y.-J. et al. · Inorganic Chemistry Communications · 2013 · 45-49

2 measurement groups · 6 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Four-probe direct-current electrical conductivity

pressed-pellet powder compaction of compound 1 · Pellet

Pressed-pellet powder compaction measured from 200 to 300 K; Fig. 4 plots conductivity versus temperature.

Temperature
200-300; room-temperature value reported at 293
Geometry
Pressed-pellet powder compaction; four-probe geometry
Context
pristine
Measurement source
2 · Conductivity discussion · Fig. 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
low-temperature electrical conductivity of compound 1approximately 2 x 10^-11 S cm^-1 at 200 K from Fig. 42e-9 S m^-1Figure Axis
Approximate
4 · Figure · Fig. 4
room-temperature electrical conductivity of compound 11.52 x 10^-8 S cm^-1 at 293 K0.00000152 S m^-1Text
Exact Reported
2 · Conductivity discussion · Fig. 4
semiconductor-like temperature coefficientconductivity increases with increasing temperatureText
Qualitative
2 · Conductivity discussion · Fig. 4

Four-probe direct-current electrical conductivity

pressed-pellet powder compaction of compound 2 · Pellet

Pressed-pellet powder compaction measured from 200 to 300 K; Fig. 4 plots conductivity versus temperature.

Temperature
200-300; room-temperature value reported at 293
Geometry
Pressed-pellet powder compaction; four-probe geometry
Context
pristine
Measurement source
2 · Conductivity discussion · Fig. 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
low-temperature electrical conductivity of compound 2approximately 1 x 10^-8 S cm^-1 at 200 K from Fig. 40.000001 S m^-1Figure Axis
Approximate
4 · Figure · Fig. 4
room-temperature electrical conductivity of compound 2Marked as a best value within this paper1.18 x 10^-5 S cm^-1 at 293 K0.00118 S m^-1Text
Exact Reported
2 · Conductivity discussion · Fig. 4
semiconductor-like temperature coefficient for compound 2conductivity increases with increasing temperature from 200 to 300 KText
Qualitative
2 · Conductivity discussion · Fig. 4