Measurement evidence
Topochemical conversion of a dense metal-organic framework from a crystalline insulator to an amorphous semiconductor · Tominaka S., Hamoudi H., Suga T. et al. · Chemical Science · 2015 · 1465-1473
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Compound 1 powder pellet · Pellet
Bode and complex-plane impedance plots of compound 1 pellet.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Compound 1 pellet ionic-conduction behaviour | pellet form is an ion conductor | — | — | Text Qualitative | S7 · Additional AC impedance data · Figure S6 |
Compound 3, 5-day ammonia-treatment replicate · Pellet
SI Figure S4 Arrhenius plot for sample treated for 5 days.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Activation energy for 5-day-treated compound 3 replicate | Ea = 0.57 eV | — | — | Figure Axis Rounded Reported | S5 · Additional AC impedance data · Figure S4d |
| Pre-exponential factor for 5-day-treated compound 3 replicate | sigma0 = 15.8 S cm^-1 K^-1 | — | — | Figure Axis Rounded Reported | S5 · Additional AC impedance data · Figure S4d |
Compound 3 powder pellet · Pellet
Gamry Interface1000, 1 MHz to 10 mHz, 100 mV AC amplitude; pellets measured under nitrogen after equilibration at 140 deg C for a day and cooling in 20 deg C intervals with >8 h equilibration.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Activation energy for compound 3 conductivityMarked as a best value within this paper | 0.59 eV | — | — | Text Exact Reported | 3 · Conductivity measurements · Figure 3b |
| Pre-exponential factor for compound 3 Arrhenius fit | 43.4 S cm^-1 K^-1 | — | — | Text Exact Reported | 3 · Conductivity measurements · Figure 3b |
| Conductivity of compound 3 at 140 deg CMarked as a best value within this paper | 7.6 x 10^-9 S cm^-1 at 140 deg C | 7.6e-7 S m^-1 | — | Text Exact Reported | 3 · Conductivity measurements · Figure 3 |
| Conductivity of compound 3 at 20 deg C | 4.2 x 10^-11 S cm^-1 at 20 deg C | 4.2e-9 S m^-1 | — | Text Exact Reported | 3 · Conductivity measurements · Figure 3 |
Compound 3 powder pellet · Pellet
Hokuto HZ5000 electrochemical system, scan rate 10 mV s-1, 25 deg C.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| DC conductivity of compound 3 at 0 V | 2.1 x 10^-11 S cm^-1 at 0 V | 2.1e-9 S m^-1 | — | Text Exact Reported | 4 · Conductivity measurements · Figure 3c |
| Voltage-dependent conductivity increase | ca. 50% increase from 0 to 4 V | — | — | Text Approximate | 4 · Conductivity measurements · Figure 3c |
Compound 1 reddish-orange octahedral crystals · Single Crystal
Crystal mounted on a quartz chip with 80 um gap microelectrodes; temperature controlled from 20 to 140 deg C.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Compound 1 single-crystal electronic conductivity classification | insulator | — | — | Text Qualitative | 3 · Conductivity measurements · Figures S5 and S6 |
Compound 3 single monolith on microelectrodes · Single Crystal
Monolith mounted on quartz chip with 80 um gap microelectrodes; geometry used only to distinguish conductor from non-conductor.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Single-monolith conductivity estimate for compound 3 at 140 deg C | ca. 1 x 10^-8 S cm^-1 at 140 deg C | 0.000001 S m^-1 | — | Caption Approximate | S6 · Additional AC impedance data · Figure S5 |