Imaging flat band electron hydrodynamics in biased bilayer graphene

Canxun Zhang; Evgeny Redekop; Hari Stoyanov; Jack H. Farrell; Sunghoon Kim; Ludwig Holleis; David Gong; Aidan Keough; Youngjoon Choi; Takashi Taniguchi; Kenji Watanabe; Martin E. Huber; Ania C. Bleszynski Jayich; Andrew Lucas; Andrea F. Young

doi:10.48550/arXiv.2603.11175

Paper details

Research paper

Experimental CharacterizationComputational DFTComputed RamanTheoretical

Imaging flat band electron hydrodynamics in biased bilayer graphene

Canxun Zhang, Evgeny Redekop, Hari Stoyanov, Jack H. Farrell et al.

arXiv·2026·arXiv:2603.11175

Samples

Each sample groups how it was prepared, characterized, and measured. Click a card to expand.

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

1 characterization11 properties1 figure

ExperimentalCStudied MaterialBNSubstrate / DielectricCCapping Or Contact

Materials

bilayer graphene

Studied Material

Also known as

R₂GAB-stacked bilayer graphenegraphene multilayer

Variables

stacking= AB

studied material

Why these are connected

Related documents with shared materials, methods, properties, or citations.

Imaging flat band electron hydrodynamics in biased bilayer graphene | Matter42 Literature

Properties

Type	Label	Value	Material	Sample	Source
Device Channel Width	channel width	1.15um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Device Constriction Width	constriction width	1um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current	I₀	4.5uA	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current Density Ratio	channel concentration enhancement	30%	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	50nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	600nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	161nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	100000nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	4200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	18200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	29nm	C	Dual-gated bilayer graphene device with graphite top and bot	—

Properties

Type	Label	Value	Material	Sample	Source
Device Channel Width	channel width	1.15um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Device Constriction Width	constriction width	1um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current	I₀	4.5uA	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current Density Ratio	channel concentration enhancement	30%	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	50nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	600nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	161nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	100000nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	4200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	18200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	29nm	C	Dual-gated bilayer graphene device with graphite top and bot	—

Properties

Type	Label	Value	Material	Sample	Source
Device Channel Width	channel width	1.15um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Device Constriction Width	constriction width	1um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current	I₀	4.5uA	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current Density Ratio	channel concentration enhancement	30%	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	50nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	600nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	161nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	100000nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	4200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	18200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	29nm	C	Dual-gated bilayer graphene device with graphite top and bot	—

Properties

Type	Label	Value	Material	Sample	Source
Device Channel Width	channel width	1.15um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Device Constriction Width	constriction width	1um	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current	I₀	4.5uA	C	Dual-gated bilayer graphene device with graphite top and bot	—
Current Density Ratio	channel concentration enhancement	30%	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	50nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	600nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	161nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	100000nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	4200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	momentum-relaxation length	18200nm	C	Dual-gated bilayer graphene device with graphite top and bot	—
Scattering Length	electron-electron scattering length	29nm	C	Dual-gated bilayer graphene device with graphite top and bot	—

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Imaging flat band electron hydrodynamics in biased bilayer graphene

Samples

Dual-gated bilayer graphene device with graphite top and bottom gates separated from the bilayer graphene by hBN dielectrics, patterned into a channel with lateral chambers and constrictions for current-imaging measurements.

Materials

Why these are connected

Characterization

Properties

Simulations

Characterization

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Characterization

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Simulations

Characterization

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Simulations