Electrical Transport — 2D Conductive Iron-Quinoid Magnets Ordering up to Tc = 105 K via Heterogenous Redox Chemistry

Measurement evidence

Electrical Transport

2D Conductive Iron-Quinoid Magnets Ordering up to Tc = 105 K via Heterogenous Redox Chemistry · DeGayner J.A., Jeon I.-R., Sun L. et al. · Journal of the American Chemical Society · 2017 · 4175-4184

7 measurement groups · 8 results

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

two-probe dc current-voltage conductivity

compound 1 pressed pellet · Pellet

Ambient-temperature pressed pellet conductivity in dinitrogen-filled glovebox using home-built press and Keithley 6517B electrometer

Temperature
300
Atmosphere
dinitrogen glovebox
Geometry
pressed powder pellet between two steel rods of 2 mm diameter inside glass capillary
Context
solvated pristine Fe-quinoid framework
Measurement source
3 · Electrical Conductivity Measurements · Figure S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ambient-temperature conductivity of compound 1Marked as a best value within this papersigma = 1.4(7) x 10^-2 S/cm0.014 S/cm(7) x 10^-2 S/cmText
Exact Reported
7 · Electrical Conductivity · Figure 8; Figure S12

two-probe dc current-voltage conductivity

compound 1a pressed pellet · Pellet

Ambient-temperature pressed pellet conductivity in dinitrogen-filled glovebox

Temperature
300
Atmosphere
dinitrogen glovebox
Geometry
pressed powder pellet between steel rods or screws
Context
activated pristine Fe-quinoid framework
Measurement source
3 · Electrical Conductivity Measurements · Figure S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ambient-temperature conductivity of compound 1asigma = 1.0(3) x 10^-3 S/cm0.001 S/cm(3) x 10^-3 S/cmText
Exact Reported
7 · Electrical Conductivity · Figure 8; Figure S12

two-probe dc current-voltage conductivity

compound 2 pressed pellet · Pellet

Ambient-temperature pressed pellet conductivity; CHI 760c or Keithley methods described

Temperature
300
Atmosphere
dinitrogen glovebox / protected transfer
Geometry
pressed pellet in Garolite or capillary cell
Context
reduced guest-loaded Fe-quinoid framework
Measurement source
3 · Electrical Conductivity Measurements · Figure S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ambient-temperature conductivity of compound 2sigma = 5.1(3) x 10^-4 S/cm0.00051 S/cm(3) x 10^-4 S/cmText
Exact Reported
7 · Electrical Conductivity · Figure 8; Figure S12

two-probe dc current-voltage conductivity

compound 3 pressed pellet · Pellet

Ambient-temperature pressed pellet I-V measurement for Zn analogue

Temperature
300
Atmosphere
not separately specified; conductivity methods general to 1, 1a, 2, and 3
Geometry
pressed pellet
Context
closed-shell Zn analogue comparison
Measurement source
S14 · Supporting Information · Figure S13
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ambient-temperature conductivity of compound 3sigma = 1.5(3) x 10^-9 S/cm1.5e-9 S/cm(3) x 10^-9 S/cmText
Exact Reported
7 · Electrical Conductivity · Figure S13

variable-temperature two-probe dc conductivity and Arrhenius fit

compound 1 pressed pellet · Pellet

Variable-temperature dc conductivity between 110 and 300 K, dark, ca. 1e-5 Torr for 1 and 1a

Temperature
110-300
Atmosphere
vacuum ca. 1e-5 Torr after glovebox preparation
Geometry
pressed pellet in home-built two-screw press
Context
solvated pristine Fe-quinoid framework
Measurement source
3 · Electrical Conductivity Measurements · Figure 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
activation energy for compound 1 conductivityEa = 0.26(1) eV0.26 eV(1)Text
Exact Reported
8 · Electrical Conductivity · Figure 8

variable-temperature two-probe dc conductivity and Arrhenius fit

compound 1a pressed pellet · Pellet

Variable-temperature dc conductivity between 110 and 300 K, dark, ca. 1e-5 Torr

Temperature
110-300
Atmosphere
vacuum ca. 1e-5 Torr after glovebox preparation
Geometry
pressed pellet in home-built two-screw press
Context
activated pristine Fe-quinoid framework
Measurement source
3 · Electrical Conductivity Measurements · Figure 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
activation energy for compound 1a conductivityMarked as a best value within this paperEa = 0.19(1) eV0.19 eV(1)Text
Exact Reported
8 · Electrical Conductivity · Figure 8

variable-temperature two-probe dc conductivity and Arrhenius fit

compound 2 pressed pellet · Pellet

Variable-temperature dc conductivity between 300 and 160 K for 2

Temperature
160-300
Atmosphere
SQUID chamber after protected sample preparation
Geometry
pressed pellet in Garolite cell attached to SQUID sample rod
Context
reduced guest-loaded Fe-quinoid framework
Measurement source
7 · Electrical Conductivity · Figure 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
activation energy for compound 2 conductivityEa = 0.34(1) eV0.34 eV(1)Text
Exact Reported
8 · Electrical Conductivity · Figure 8
temperature dependence of conductivitylinear log(conductivity) versus inverse temperature; thermally activated transportText
Qualitative
8 · Electrical Conductivity · Figure 8