Electrical Transport — Electrical bistability around room temperature in an unprecedented one-dimensional coordination magnetic polymer

Measurement evidence

Electrical Transport

Electrical bistability around room temperature in an unprecedented one-dimensional coordination magnetic polymer · Amo-Ochoa P., Delgado E., Gomez-Garcia C.J. et al. · Inorganic Chemistry · 2013 · 5943-5950

2 measurement groups · 17 results

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

Two- or four-contact direct-current electrical conductivity/resistivity measurement

Ten contacted single crystals of compound 1 · Single Crystal

Ten single crystals measured from 400 to 2 K in Quantum Design PPMS-9 with Keithley 2400 source-meter and Keithley 6514 electrometer; 25 um Pt wires attached with graphite paste; 10 or 20 V constant voltage; 1 K/min cooling/warming cycles.

Temperature
400-2
Geometry
two- or four-contact single-crystal geometry with Pt wire/graphite-paste contacts
Context
pristine_framework
Measurement source
2 · Experimental Section - Materials and Methods · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
semiconducting activation energy reported in abstractMarked as a best value within this paperabout 290 meVText
Approximate
1 · Abstract
post-transition semiconducting activation energyabout 300 meVText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4
lower end of 300 K conductivity rangeabout 10^-6 S cm^-1Text
Approximate
5 · Results and Discussion - Electrical Properties · Figure S2 cited
upper end of 300 K conductivity rangeMarked as a best value within this paperabout 10^-5 S cm^-1Text
Approximate
5 · Results and Discussion - Electrical Properties · Figure S2 cited
conductivity after first-cooling transitionMarked as a best value within this paperabout 5 x 10^-5 S cm^-1Text
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4
nominal first-cooling conductivity change factorfactor of 2; can be as high as 2 orders of magnitude depending on crystalText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4; Figures S3-S5 cited
first-cooling metallic-like transition lower temperatureabout 280 KText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4
first-cooling metallic-like transition upper temperatureabout 310 KText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4
high-temperature transition hysteresisMarked as a best value within this paperabout 30 KText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4b
high-temperature bistability transition lower boundMarked as a best value within this paper350 KText
Range
1 · Abstract · Figure 4b
high-temperature resistivity jump magnitudeabout 2 orders of magnitudeText
Approximate
5 · Results and Discussion - Electrical Properties · Figure 4
high-temperature bistability transition upper boundMarked as a best value within this paper380 KText
Range
1 · Abstract · Figure 4b
low-temperature resistance detection limitabove 5 x 10^11 ohmText
Rounded Reported
5 · Results and Discussion - Electrical Properties · Figure 4
room-temperature transition hysteresisMarked as a best value within this paperabout 60 KText
Approximate
1 · Abstract
room-temperature bistability transition lower boundMarked as a best value within this paper260 KText
Range
1 · Abstract
room-temperature bistability transition upper boundMarked as a best value within this paper320 KText
Range
1 · Abstract

DC current-voltage trace from Supporting Information Figure S2

Ten contacted single crystals of compound 1 · Single Crystal

Single crystal of compound 1 at 300 K; bias swept from -10 to +10 V, showing linear Ohmic behaviour.

Temperature
300
Geometry
single-crystal two- or four-contact geometry with Pt wire/graphite-paste contacts
Context
pristine_framework
Measurement source
2 · Supporting Information · Figure S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
approximate current at +10 V in 300 K I-V traceapproximately +4.5 x 10^-8 A at +10 VFigure Axis
Approximate
2 · Supporting Information · Figure S2