Other — Facile Preparation of Polymorphic Metal–Organic Framework Nanostructures as Microwave Absorbers via One-Pot Hydrothermal Reaction

10 measurement groups · 24 results

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

Cole-Cole analysis

Paraffin-based Cu-TCNQ composite · Pellet

Cole-Cole curves of pure and paraffin-based Cu-TCNQ; comparison with Fe/Ni in SI.

Geometry: VNA-derived dielectric response
Context: pristine/composite
Measurement source: S10-S12 · Figures S9-S11 · Figures S9-S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TCNQ Cole-Cole behaviour	multiple semicircles and tail-like linear response	—	—	Qualitative Qualitative	1683 · 3.2 · Figure S9
Cu-TCNQ conduction/polarisation loss partition	interfacial polarisation dominates at 2-8 GHz; conduction loss becomes more significant at 12-18 GHz	—	—	Text Qualitative	1684 · 3.2 · Figure S11

Vibrating sample magnetometer M-H curves

Magnetometry and magnetic susceptibility

Cu-TCNQ powder · Powder

Magnetisation measured from -1 to 1 T for M-TCNQ complexes.

Geometry: powder
Context: pristine series
Measurement source: 1681 · 3.1 · Figure 3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
M-TCNQ magnetisation	below 0.4 emu g^-1	—	upper bound	Text Rounded Reported	1681 · 3.1 · Figure 3c

Thermogravimetric analysis

Cu-TCNQ powder · Powder

449C Jupiter analyser, N2 flow 30 mL/min, room temperature to 800 deg C at 10 deg C/min.

Atmosphere: nitrogen
Geometry: powder
Context: pristine
Measurement source: 1678-1681 · 2.3 / 3.1 · Figure 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TCNQ weight loss at 800 deg CMarked as a best value within this paper	27% at 800 deg C	—	—	Text Rounded Reported	1681 · 3.1 · Figure 3b
Cu-TCNQ stable temperatureMarked as a best value within this paper	stable up to 400 deg C	—	—	Text Rounded Reported	1681 · 3.1 · Figure 3b

Thermogravimetric analysis

Fe-TCNQ powder · Powder

449C Jupiter analyser, N2 flow 30 mL/min, room temperature to 800 deg C at 10 deg C/min.

Atmosphere: nitrogen
Geometry: powder
Context: pristine
Measurement source: 1681 · 3.1 · Figure 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fe-TCNQ thermal stability	no clear stable plateau; progressive weight loss	—	—	Qualitative Qualitative	1681 · 3.1 · Figure 3b

Thermogravimetric analysis

Ni-TCNQ powder · Powder

449C Jupiter analyser, N2 flow 30 mL/min, room temperature to 800 deg C at 10 deg C/min.

Atmosphere: nitrogen
Geometry: powder
Context: pristine
Measurement source: 1681 · 3.1 · Figure 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-TCNQ weight loss at 800 deg C	62% at 800 deg C	—	—	Text Rounded Reported	1681 · 3.1 · Figure 3b
Ni-TCNQ rapid decomposition onset	beginning at 255 deg C	—	—	Text Rounded Reported	1681 · 3.1 · Figure 3b

Vector network analyser electromagnetic parameters

Paraffin-based Cu-TCNQ composite · Pellet

Anritsu VNA, 2-18 GHz, 50 wt% M-TCNQ/paraffin unless stated; permittivity, attenuation constant, RL calculated.

Geometry: concentric ring
Context: composite
Measurement source: 1678-1682 · 2.3 / 3.2 · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Paraffin-based Cu-TCNQ EAB from Table S1Marked as a best value within this paper	5.44 GHz at 3.0 mm, 50 wt%	—	—	SI Table Exact Reported	S13 · Table S1 · Table S1
Paraffin-based Cu-TCNQ EAB from main textMarked as a best value within this paper	5.44 GHz (12.56-18 GHz) at 2.5 mm	—	—	Text Exact Reported	1683 · 3.2 · Figure 4e
Cu-TCNQ imaginary permittivity rangeMarked as a best value within this paper	epsilon'' 5.83-1.78	—	range	Text Range	1682 · 3.2 · Figure 4b
Cu-TCNQ real permittivity rangeMarked as a best value within this paper	epsilon' 8.27-4.08	—	range	Text Range	1682 · 3.2 · Figure 4a
Paraffin-based Cu-TCNQ minimum reflection lossMarked as a best value within this paper	-48 dB at 4.2 mm	—	—	Text Exact Reported	1676 · Abstract
Cu-TCNQ composite loading in Table S1	50 wt%	—	—	SI Table Exact Reported	S13 · Table S1 · Table S1
Cu-TCNQ dielectric loss tangent rangeMarked as a best value within this paper	tan delta_e 0.78 to 0.41	—	range	Text Range	1683 · 3.2 · Figure 4f

Vector network analyser RL calculation

Paraffin-based Fe-TCNQ composite · Pellet

Fe-TCNQ/paraffin 50 wt% composite, 2-18 GHz.

Geometry: concentric ring
Context: composite
Measurement source: 1682-1683 · 3.2 · Figure 4h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fe/Ni-TCNQ imaginary permittivity upper bound	epsilon'' <0.39	—	upper bound	Text Rounded Reported	1682 · 3.2 · Figure 4b
Fe-TCNQ real permittivity upper bound	epsilon' <3.4	—	upper bound	Text Rounded Reported	1682 · 3.2 · Figure 4a
Fe-TCNQ reflection loss	RL can reach -15 dB at 4.2-5.0 mm	—	thickness range 4.2-5.0 mm	Text Rounded Reported	1683 · 3.2 · Figure 4h

Vector network analyser RL calculation

Paraffin-based Ni-TCNQ composite · Pellet

Ni-TCNQ/paraffin 50 wt% composite, 2-18 GHz.

Geometry: concentric ring
Context: composite
Measurement source: 1682-1683 · 3.2 · Figure 4i

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-TCNQ real permittivity upper bound	epsilon' <3.08	—	upper bound	Text Rounded Reported	1682 · 3.2 · Figure 4a
Ni-TCNQ reflection loss upper performance	RL and EAB values cannot exceed -10 dB	—	threshold statement	Text Rounded Reported	1683 · 3.2 · Figure 4i

Vector network analyser RL calculation

Pure Cu-TCNQ pressed ring · Pellet

Pure Cu-TCNQ pressed ring, no paraffin; RL and EAB from 2-18 GHz data.

Geometry: concentric ring
Context: pristine
Measurement source: 1682-1683 · 3.2 · Figure 4d,g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pure Cu-TCNQ EABMarked as a best value within this paper	5.4 GHz (12.4-17.9 GHz, below -10 dB) at 2.5 mm	—	—	Text Rounded Reported	1683 · 3.2 · Figure 4d,g
Pure Cu-TCNQ minimum reflection loss	-17 dB at 2.0 mm	—	—	Text Rounded Reported	1683 · 3.2 · Figure 4d

2D reflection-loss mapping

TCNQ powder control · Powder

TCNQ powder/control RL mapping from Figure S8, 2-18 GHz and 1-5 mm.

Geometry: powder/ring not fully specified
Context: ligand control
Measurement source: S9 · Figure S8 · Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ real permittivity upper bound	epsilon' <2.8	—	upper bound	Text Rounded Reported	1682 · 3.2 · Figure 4a
TCNQ reflection-loss map approximate range	approximately 0 to -2 dB over most of 2-18 GHz and 1-5 mm	—	visual estimate	Visual Estimate Approximate	S9 · Figure S8 · Figure S8