Electrical Transport — CO2-Sensitive Porous Magnet: Antiferromagnet Creation from a Paramagnetic Charge-Transfer Layered Metal-Organic Framework

Measurement evidence

Electrical Transport

CO2-Sensitive Porous Magnet: Antiferromagnet Creation from a Paramagnetic Charge-Transfer Layered Metal-Organic Framework · Zhang J., Kosaka W., Liu Q. et al. · Journal of the American Chemical Society · 2023 · 26179-26189

1 measurement group · 11 results

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

In situ DC electrical resistivity/conductivity, two-probe

Electrical conductivity

Pelletized compound 1 for DC conductivity · Pellet

Pellet of compound 1 between stainless-steel plates; dried under high vacuum <1e-2 Pa at 353 K for 5 h; measured under controlled CO2 pressure using 0.1 V source and 1 K min-1 temperature sweep.

Temperature: 200-310 for sigma-T traces; 230, 240, 250 for time switching
Atmosphere: vacuum/<0.1 kPa CO2 and CO2 up to 100 kPa
Geometry: parallel-plate pellet capacitor, two-probe, Au wires/Au paste, stainless-steel plates
Context: pristine framework pellet switching to guest-loaded CO2 state
Measurement source: p009 · In Situ DC Conductivity Measurements under CO2 · Figure 6; Figure S24

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DC conductivity source voltage	0.1 V	—	—	Text Exact Reported	p009 · In Situ DC Conductivity Measurements under CO2
Conductivity reverse transition on heating at 100 kPa CO2	293 K	100 kPa CO2	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
Conductivity reverse transition on heating at 10 kPa CO2	255 K	10 kPa CO2	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
Conductivity reverse transition on heating at 32 kPa CO2	271 K	32 kPa CO2	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
Conductivity jump temperature on cooling at 100 kPa CO2	sudden increase in sigma at 263 K	100 kPa CO2	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
Conductivity jump temperature on cooling at 32 kPa CO2	sudden increase in sigma at 240 K	32 kPa CO2	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
CO2 pressure cycle period for conductivity switching	<0.1 and 100 kPa every 10 min	100 kPa high pressure	—	Caption Exact Reported	p007 · Figure caption · Figure 6b
Approximate conductivity range in sigma-T traces	approximately 1e-8 to 5e-11 S cm-1 across 310-200 K depending on CO2 pressure and cooling/heating branch	5e-11 S cm-1 lower bound	visual estimate from log-axis plot	Figure Axis Approximate	p007 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6a
Conductivity switching fluctuation at 230 KMarked as a best value within this paper	31.8%	230 K	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6b
Conductivity switching fluctuation at 240 K	25.3%	240 K	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6b
Conductivity switching fluctuation at 250 K	18.8%	250 K	—	Text Exact Reported	p008 · Electrical Conductivity Variation under a CO2 Atmosphere · Figure 6b