Electrical Transport — Electrical Conductivity in a Porous, Cubic Rare-Earth Catecholate

5 measurement groups · 11 results

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

Two-contact probe current-voltage measurement

Electrical conductivity

Activated Eu6HOTP2 pressed pellets, batch 1 · Pellet

Pressed pellets in dry nitrogen-filled glovebox; powder compressed between stainless-steel rods; voltage generally swept between -1 and +1 V.

Temperature: 302
Atmosphere: dry N2
Geometry: Pressed pellet between two stainless-steel current collectors
Context: pristine
Measurement source: SI pp.S13-S14 · Electrical conductivity measurements · Table S4; Fig. S7d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Representative Eu6HOTP2 batch 1 I-V fit conductivity	sigma = 1.7 x 10^-6 S/cm	—	—	Figure Axis Rounded Reported	SI p.S14 · Figure S7 · Fig. S7d
Eu6HOTP2 batch 1 average electrical conductivityMarked as a best value within this paper	1.48(15) x 10^-6 S/cm	—	(15) x 10^-6 S/cm	SI Table Exact Reported	SI p.S14 · Electrical conductivity measurements · Table S4

Repeated two-contact conductivity measurements over time

Electrical conductivity

Activated Y6HOTP2 pressed pellets, batch 1 · Pellet

Six Y6HOTP2 pellets measured over five days after activation; powder kept under dry dinitrogen throughout.

Atmosphere: dry N2
Geometry: Pressed pellets
Context: pristine
Measurement source: SI p.S17 · Figure S10 · Fig. S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Conductivity stability over five days under dry N2	No significant change in conductivity was observed over five days.	—	—	Caption Qualitative	SI p.S17 · Figure S10 caption · Fig. S10

Two-contact probe current-voltage measurement

Electrical conductivity

Activated Y6HOTP2 pressed pellets, batch 1 · Pellet

Pressed pellets in dry nitrogen-filled glovebox; powder compressed between stainless-steel rods; voltage generally swept between -1 and +1 V; resistance stabilised by repeated pressurised standing and retightening.

Temperature: 302
Atmosphere: dry N2
Geometry: Pressed pellet between two stainless-steel current collectors
Context: pristine
Measurement source: SI pp.S13-S14 · Electrical conductivity measurements · Table S4; Fig. S7a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Representative Y6HOTP2 batch 1 I-V fit conductivity	sigma = 5.2 x 10^-6 S/cm	—	—	Figure Axis Rounded Reported	SI p.S14 · Figure S7 · Fig. S7a
Y6HOTP2 batch 1 average electrical conductivity	9(5) x 10^-6 S/cm	—	(5) x 10^-6 S/cm	SI Table Exact Reported	SI p.S14 · Electrical conductivity measurements · Table S4

Two-contact probe current-voltage measurement

Electrical conductivity

Activated Y6HOTP2 pressed pellets, batch 2 · Pellet

Pressed pellets in dry nitrogen-filled glovebox; powder compressed between stainless-steel rods; voltage generally swept between -1 and +1 V.

Temperature: 302
Atmosphere: dry N2
Geometry: Pressed pellet between two stainless-steel current collectors
Context: pristine
Measurement source: SI pp.S13-S14 · Electrical conductivity measurements · Table S4; Fig. S7b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Overall reported conductivity order after activation	10^-6 to 10^-5 S/cm	—	range upper bound 1e-5 S/cm	Text Range	main p.6922 · Main text · Fig. 4
Representative Y6HOTP2 batch 2 I-V fit conductivity	sigma = 4.7 x 10^-5 S/cm	—	—	Figure Axis Rounded Reported	SI p.S14 · Figure S7 · Fig. S7b
Y6HOTP2 batch 2 average electrical conductivityMarked as a best value within this paper	5.1(21) x 10^-5 S/cm	—	(21) x 10^-5 S/cm	SI Table Exact Reported	SI p.S14 · Electrical conductivity measurements · Table S4
Representative Y6HOTP2 conductivity from main-text I-V fit	2.0 x 10^-5 S/cm	—	—	Caption Rounded Reported	main p.6922 · Figure 4 caption · Fig. 4

Two-contact probe current-voltage measurement

Electrical conductivity

Activated Y6HOTP2 pressed pellets, batch 3 · Pellet

Pressed pellets in dry nitrogen-filled glovebox; powder compressed between stainless-steel rods; voltage generally swept between -1 and +1 V.

Temperature: 302
Atmosphere: dry N2
Geometry: Pressed pellet between two stainless-steel current collectors
Context: pristine
Measurement source: SI pp.S13-S14 · Electrical conductivity measurements · Table S4; Fig. S7c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Representative Y6HOTP2 batch 3 I-V fit conductivity	sigma = 2.6 x 10^-5 S/cm	—	—	Figure Axis Rounded Reported	SI p.S14 · Figure S7 · Fig. S7c
Y6HOTP2 batch 3 average electrical conductivity	3.7(6) x 10^-5 S/cm	—	(6) x 10^-5 S/cm	SI Table Exact Reported	SI p.S14 · Electrical conductivity measurements · Table S4