Electrical Transport — Electronic Conductivity, Ferrimagnetic Ordering, and Reductive Insertion Mediated by Organic Mixed-Valence in a Ferric Semiquinoid Metal-Organic Framework

Measurement evidence

Electrical Transport

Electronic Conductivity, Ferrimagnetic Ordering, and Reductive Insertion Mediated by Organic Mixed-Valence in a Ferric Semiquinoid Metal-Organic Framework · Darago L.E., Aubrey M.L., Yu C.J. et al. · Journal of the American Chemical Society · 2015 · 15703-15711

2 measurement groups · 8 results

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

Two-point dc pressed-pellet conductivity

Pressed pellet of 1 · Pellet

Home-built two-electrode screw cell, contact area 0.04757 cm2; I-V profiles collected with Bio-Logic SP200; Ohm's law used to determine sigma.

Temperature
70-300
Atmosphere
airtight sealed cell prepared in Ar glovebox
Geometry
Pressed pellet between polished copper rods; +/-1 V window
Context
Pristine framework 1
Measurement source
S-5 · Variable Temperature Two-Point Electronic Conductivity · Figures 7, S7, S8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Room-temperature conductivity of 1Marked as a best value within this paper0.16(1) S/cm at 298 K(1)Text
Exact Reported
5 · Electronic Conductivity · Figure 7
Arrhenius activation energy of 1Marked as a best value within this paper110 meVText
Rounded Reported
6 · Electronic Conductivity · Figures 7, S7, S8
Approximate low-temperature conductivity of 1log10(sigma) about -9.1 at 70 Kvisual estimate from Figure 7Figure Axis
Approximate
6 · Electronic Conductivity · Figure 7
Ohmic I-V range for 1Ohmic between +1 and -1 V; similar linearity down to 60 KCaption
Exact Reported
S-16 · Figure S8 caption · Figure S8

Two-point dc pressed-pellet conductivity

Pressed pellet of 2 · Pellet

Home-built two-electrode screw cell, contact area 0.04757 cm2; I-V profiles collected with Bio-Logic SP200; Ohm's law used to determine sigma.

Temperature
90-300
Atmosphere
airtight sealed cell prepared in Ar glovebox
Geometry
Pressed pellet between polished copper rods; +/-1 V window
Context
Na-inserted reduced framework 2
Measurement source
S-5 · Variable Temperature Two-Point Electronic Conductivity · Figures 7, S7, S9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Room-temperature conductivity of 20.0062(1) S/cm at 298 K(1)Text
Exact Reported
5 · Electronic Conductivity · Figure 7
Arrhenius activation energy of 2180 meVText
Rounded Reported
6 · Electronic Conductivity · Figures 7, S7-S9
Approximate low-temperature conductivity of 2log10(sigma) about -9.1 at 90 Kvisual estimate from Figure 7Figure Axis
Approximate
6 · Electronic Conductivity · Figure 7
Ohmic I-V range for 2Ohmic between +1 and -1 V; similar linearity down to 90 KCaption
Exact Reported
S-17 · Figure S9 caption · Figure S9