Electrical Transport — A semiconducting layered metal-organic framework magnet

5 measurement groups · 14 results

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

compressed K3Fe2[PcFe-O8] pellet · Pellet

Hall resistance measured under magnetic field at 300 K.

Temperature: 300
Geometry: pressed pellet, van der Pauw pattern
Context: pristine target MOF pellet
Measurement source: p005 · Charge transport and magnetotransport · Supplementary Figure 22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hole concentrationMarked as a best value within this paper	about 2.4 x 10^14 cm-3	—	about	Text Approximate	p005 · Charge transport and magnetotransport · Supplementary Figure 22
Hall mobility	~0.1 cm2 V-1 s-1	—	~	Text Approximate	p005 · Charge transport and magnetotransport · Supplementary Figure 22

compressed K3Fe2[PcFe-O8] pellet · Pellet

Resistance change measured under applied magnetic field from -6 to 6 T at 150, 200 and 300 K.

Temperature: 150, 200, 300
Geometry: pressed pellet
Context: pristine target MOF pellet
Measurement source: p005 · Charge transport and magnetotransport · Figure 3d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
magnetoresistance at 150 K and 6 T	approximately -0.5% at +/-6 T from Figure 3d	—	visual estimate	Figure Axis Uncertain	p005 · Figure 3 · Figure 3d
magnetoresistance at 300 K and 6 T	approximately -0.13 to -0.18% at +/-6 T from Figure 3d	—	visual estimate	Figure Axis Uncertain	p005 · Figure 3 · Figure 3d

air-oxidised K3Fe2[PcFe-O8] · Pellet

K3Fe2[PcFe-O8] aged in air for one week; conductivity remeasured and compared with pristine.

Temperature: 250-350
Atmosphere: air oxidation for one week
Geometry: pressed pellet
Context: oxidised redox-state control
Measurement source: p029 · Supplementary Figure 21 · Supplementary Figure 21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
oxidised conductivity at 350 KMarked as a best value within this paper	3 x 10-5 S m-1 at 350 K after oxidation	—	—	Caption Rounded Reported	p029 · Supplementary Figure 21 · Supplementary Figure 21
oxidised Fe2+/Fe3+ ratio	~1/3 Fe2+/Fe3+ after oxidation	—	~	Caption Approximate	p029 · Supplementary Figure 21 · Supplementary Figure 21

K3Fe2[PcFe-O8] optical pump-THz probe sample · Thin Film

Optical pump-THz probe; 800 nm excitation, 300 uJ cm-2 pump fluence, ~1 THz centre frequency/bandwidth probe; nitrogen environment.

Temperature: 300
Atmosphere: nitrogen
Geometry: 210 micron thick sample between fused silica substrates
Context: pristine target MOF
Measurement source: p005 · Charge transport and magnetotransport · Figure 3b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Drude-Smith backscattering parameter	-0.69 +/- 0.02	—	+/- 0.02	Text Exact Reported	p005 · Charge transport and magnetotransport · Figure 3c
photoexcited DC conductivity from Drude-Smith fit	DC conductivity 0.14 S m-1	—	—	Caption Exact Reported	p005 · Figure 3 caption · Figure 3c
TRTS mobilityMarked as a best value within this paper	15 +/- 2 cm2 V-1 s-1	—	+/- 2	Text Exact Reported	p001 · Abstract · Figure 3c; Supplementary Table 4
Drude-Smith scattering time	53 +/- 8 fs	—	+/- 8	Text Exact Reported	p005 · Charge transport and magnetotransport · Figure 3c

compressed K3Fe2[PcFe-O8] pellet · Pellet

Four-probe silver-wire contacts on compressed pellet; I-V curves from 10 nA to 100 uA; temperature range 5-400 K by helium cooling.

Temperature: 140-350
Atmosphere: air during paste drying; measurement atmosphere not otherwise specified
Geometry: pressed pellet, van der Pauw pattern
Context: pristine target MOF pellet
Measurement source: p004-p005 · Charge transport and magnetotransport · Figure 3a; Supplementary Figures 18-20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
high-temperature activation energy	~261 meV	—	~	Text Approximate	p004 · Charge transport and magnetotransport · Figure 3a; Supplementary Figure 20
low-temperature activation energy	~115 meV	—	~	Text Approximate	p004 · Charge transport and magnetotransport · Supplementary Figure 20
low-temperature conductivity endpoint	approximately 1 x 10-7 S m-1 near 140 K from Figure 3a axis	—	visual estimate	Figure Axis Uncertain	p005 · Figure 3 · Figure 3a
electrical conductivity at 350 KMarked as a best value within this paper	2 x 10-3 S m-1 at 350 K	—	—	Text Rounded Reported	p004 · Charge transport and magnetotransport · Figure 3a