Electrical Transport — Structural, Thermodynamic, and Transport Properties of the Small-Gap Two-Dimensional Metal-Organic Kagomé Materials Cu3(hexaiminobenzene)2and Ni3(hexaiminobenzene)2

2 measurement groups · 8 results

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

Four-point probe temperature-dependent resistivity in PPMS with dilution refrigerator

Electrical conductivity

Cu3(HIB)2 densified pellet · Pellet

Measured at mu0H = 0, 3 and 5 T; specimen densified at >1000 bar; Pt wire and silver-paste contacts; contact resistance estimated <100 ohm per contact.

Temperature: temperature dependent; room-temperature value reported at 300 K
Geometry: Approximately rectangular pellet, 1-2 mm length and about 0.1 mm2 cross-sectional area, four-probe contacts.
Context: pristine framework pellet
Measurement source: p003-p004 / 6482-6483 · Physical Property Measurement · Figure 3a,c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Arrhenius transport bandgapMarked as a best value within this paper	103 meV	0.103 eV	—	Text Exact Reported	p004 / 6483 · Results and Discussion · Figure 3c
Positive magnetoresistance onset	modest (~10%) positive magnetoresistance below 120 K	—	—	Text Approximate	p004 / 6483 · Results and Discussion · Figure 3a
Room-temperature resistivityMarked as a best value within this paper	5 x 10^5 ohm cm	—	—	Text Rounded Reported	p004 / 6483 · Results and Discussion · Figure 3a
Transport behaviour	Semiconducting; resistivity increases with decreasing temperature	—	—	Text Qualitative	p004 / 6483 · Results and Discussion · Figure 3a

Four-point probe temperature-dependent resistivity in PPMS with dilution refrigerator

Electrical conductivity

Ni3(HIB)2 densified pellet · Pellet

Measured at mu0H = 0, 3 and 5 T; specimen densified at >1000 bar; Pt wire and silver-paste contacts; contact resistance estimated <100 ohm per contact.

Temperature: temperature dependent; room-temperature value reported at 300 K
Geometry: Approximately rectangular pellet, 1-2 mm length and about 0.1 mm2 cross-sectional area, four-probe contacts.
Context: pristine framework pellet
Measurement source: p003 / 6482 · Physical Property Measurement · Figure 3b,c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Arrhenius transport bandgapMarked as a best value within this paper	22.2 meV	0.0222 eV	—	Text Exact Reported	p004 / 6483 · Results and Discussion · Figure 3c
Positive magnetoresistance onset	modest (~10%) positive magnetoresistance below 20 K	—	—	Text Approximate	p004 / 6483 · Results and Discussion · Figure 3b
Room-temperature resistivityMarked as a best value within this paper	30 ohm cm	—	—	Text Rounded Reported	p004 / 6483 · Results and Discussion · Figure 3b
Transport behaviour	Semiconducting; resistivity increases with decreasing temperature	—	—	Text Qualitative	p004 / 6483 · Results and Discussion · Figure 3b