Measurement evidence
Porous lanthanide metal–organic frameworks with metallic conductivity · Skorupskii G., Le K.N., Cordova D.L.M. et al. · Proceedings of the National Academy of Sciences of the United States of America · 2022 · e2205127119
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Nd1.5HOTP single-crystal room-temperature conductivity devices · Single Crystal
Wide current-density range; linear fit shown in Fig. 3B
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| I-V linearity fit quality | R2 = 0.999 | — | — | Caption Exact Reported | p004 · Fig. 3 caption · Fig. 3B |
La1.5HOTP single-crystal conductivity devices · Single Crystal
Air; generally 21 degC; 10-20% relative humidity; only Ohmic devices included; graphite adhesive and copper wires
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Overall room-temperature conductivity range | 170 to 1,080 S/cm | — | — | Caption Range | p004 · Fig. 3 caption · Fig. 3A |
| LA1.5HOTP conductivity, batch 1, device C1 terminals 2-3 | length 150 um; diameter 7.5 um; resistance 205 ohm; conductivity 200 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 1, device C1 terminals 2-4 | length 340 um; diameter 7.5 um; resistance 460 ohm; conductivity 202 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 1, device C2 | length 246 um; diameter 8.6 um; resistance 173 ohm; conductivity 296 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 1, device C4 terminals 2-3 | length 95 um; diameter 8.3 um; resistance 124 ohm; conductivity 171 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 1, device C4 terminals 3-4 | length 90 um; diameter 8.3 um; resistance 100 ohm; conductivity 201 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 1, device C4 terminals 2-4 | length 280 um; diameter 8.3 um; resistance 230.5 ohm; conductivity 271 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 14 | length 36 um; diameter 12 um; resistance 19 ohm; conductivity 203 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 12 | length 175 um; diameter 7.6 um; resistance 58.5 ohm; conductivity 797 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 2-BCMarked as a best value within this paper | length 233 um; diameter 8.6 um; resistance 54 ohm; conductivity 898 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 2-BD | length 431 um; diameter 8.6 um; resistance 103.5 ohm; conductivity 867 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 15v2 | length 27.8 um; diameter 15.2 um; resistance 7.4 ohm; conductivity 250 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 2, device 17 | length 281 um; diameter 9.5 um; resistance 77.6 ohm; conductivity 618 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 3, device 1 | length 73 um; diameter 5 um; resistance 59 ohm; conductivity 763 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| LA1.5HOTP conductivity, batch 3, device 2 | length 28.5 um; diameter 14 um; resistance 7.6 ohm; conductivity 295 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| La1.5HOTP maximum room-temperature conductivity reported in main text | reaching 900 S/cm | — | — | Text Rounded Reported | p003 · Results and Discussion · Fig. 3A |
Nd1.5HOTP single-crystal room-temperature conductivity devices · Single Crystal
Air; generally 21 degC; 10-20% relative humidity; only Ohmic devices included; graphite adhesive and copper wires
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| ND1.5HOTP conductivity, batch 1, device G11 | length 70 um; diameter 54.6 um; resistance 1.2 ohm; conductivity 301 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 1, device G4 | length 57.5 um; diameter 29 um; resistance 1.28 ohm; conductivity 822 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 1, device G10 | length 77.5 um; diameter 47.7 um; resistance 1.3 ohm; conductivity 403 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 1, device G1 | length 72.3 um; diameter 44 um; resistance 0.9 ohm; conductivity 639 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 1, device G2 | length 41.4 um; diameter 30 um; resistance 1.6 ohm; conductivity 443 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 2, device C4 | length 170 um; diameter 13.5 um; resistance 16.1 ohm; conductivity 892 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 2, device C6 | length 62 um; diameter 18.3 um; resistance 13.1 ohm; conductivity 218 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 2, device C7 | length 180 um; diameter 15.3 um; resistance 13.4 ohm; conductivity 883 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 2, device Si-1 | length 150 um; diameter 26 um; resistance 13 ohm; conductivity 263 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 2, device G2 | length 122.5 um; diameter 12.9 um; resistance 20.6 ohm; conductivity 550 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 3, device C1 | length 168 um; diameter 7.3 um; resistance 53.8 ohm; conductivity 902 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 3, device C5Marked as a best value within this paper | length 122.5 um; diameter 11.8 um; resistance 12.5 ohm; conductivity 1084 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| ND1.5HOTP conductivity, batch 3, device C9 | length 214 um; diameter 14.8 um; resistance 16.9 ohm; conductivity 890 S/cm | — | — | SI Table Exact Reported | p019 · Table S2 · Table S2 |
| Nd1.5HOTP maximum room-temperature conductivity reported in main text | 1,080 S/cm | — | — | Text Rounded Reported | p003 · Results and Discussion · Fig. 3A |
Nd1.5HOTP variable-temperature single-crystal devices · Single Crystal
Low-pressure He, 5-10 torr; 0.3-3 Hz; excitation amplitudes 0.05-0.2 mA; cool-heat cycles from 260-270 K to 330-350 K
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Nd1.5HOTP resistivity near 350 K | about 1.03-1.05 mOhm cm | — | — | Figure Axis Approximate | p004 · Fig. 3C · Fig. 3C |
| Nd1.5HOTP resistivity near 250 K | about 0.78-0.80 mOhm cm | — | — | Figure Axis Approximate | p004 · Fig. 3C · Fig. 3C |
| Nd1.5HOTP variable-temperature transport range | between 250 and 350 K | — | — | Caption Range | p004 · Fig. 3 caption · Fig. 3C |
Ln1.5HOTP pressed pellet trial devices · Pellet
Attempted pellet measurements; grain-boundary resistance dominated
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Pressed-pellet conductivity caveat | at least four orders of magnitude lower | — | — | Text Qualitative | p006 · Electrical Conductivity Measurements |