Reciprocal and non-reciprocal energy and momentum drag between 1D and 2D conductors
ORAL
Abstract
Double-layer drag experiments are an exceptionally sensitive tool for studying interactions in low-dimensional systems, since the drag response depends on long-range Coulomb interactions rather than particle exchange. Graphene in particular has exhibited unusual drag effects near charge neutrality that have been attributed to competing energy and momentum transfer between the layers. We have performed measurements of 1D-2D drag resistance between a single carbon nanotube (CNT) and monolayer graphene separated by a few-layer boron nitride flake. At high temperatures, the drag response is symmetric under interchange of the drive and drag layers, and resembles momentum transfer from drive to drag layer. This layer reciprocity is broken near the charge neutrality point of graphene at lower temperatures, which can be attributed to energy transfer or thermoelectric effects. Intriguingly, the high-temperature drag response decays with distance from the CNT slower than expected from the Ohmic diffusive current distribution. This suggests additional electron interactions coming into play near charge neutrality in the graphene layer.
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Presenters
Laurel Anderson
Harvard University
Authors
Laurel Anderson
Harvard University
Austin K Cheng
Harvard University
Kenji Watanabe
National Institute for Materials Science, Japan
National Institute for Material Science
National Institute for Materials Science
National Institute for Materials Science, Tsukuba
Research Center for Functional Materials, NIMS
nims
Advanced Materials Laboratory, National Institute for Materials Science
National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
NIMS
National Institute for Material Science - Japan
NIMS Tsukuba
National Institute for Materials Science, Namiki 1-1, Ibaraki 305-0044, Japan.
National Institute for Materials Science (NIMS)
National Institute for Materials Science,Tsukuba, Ibaraki 305-0047, Japan
Advanced Materials Laboratory, NIMS, Japan
National Institute for Materials Science,1-1 Namiki, Tsukuba, 305-0044, Japan
National Institute of Materials Science
National Institute for Materials Science, University of Tsukuba
National Institute for Materials Science, Tsukuba, Japan
National Institute for Material Science, Japan
National Institue for Material Science, Tsukuba
Advanced Materials Laboratory, NIMS
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba 305-0044, Japan
Advanced Matrials Lab, NIMS
National Institute for Material Science, Tsukuba, Japan
National institute for materials science
NIMS-Tsukuba
NIMS, Japan
National Institute for Materials Science, Namiki Tsukuba Ibaraki, Japan
NIRM
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Japan
NIMS Japan
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Ibaraki, Japan
Advanced Materials Laboratory, National Institute of Materials Science
Advanced Materials Laboratory, National Institute for Materials Science 1-1 Namiki, Tsukuba, 305-0044, Japan
National Institute of Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
National Institute for Material Science (Japan)
Physics, NIMS
National Institute of Materials Science, Japan
National Institute of Materials Science (NIMS)
National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan
NIMS - Tsukuba
Takashi Taniguchi
National Institute for Materials Science, Japan
National Institute for Material Science
National Institute for Materials Science
National Institute for Materials Science, Tsukuba
Research Center for Functional Materials, NIMS
nims
Advanced Materials Laboratory, National Institute for Materials Science
National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
NIMS
National Institute for Material Science - Japan
NIMS Tsukuba
National Institute for Materials Science, Namiki 1-1, Ibaraki 305-0044, Japan.
National Institute for Materials Science (NIMS)
National Institute for Materials Science,Tsukuba, Ibaraki 305-0047, Japan
Advanced Materials Laboratory, NIMS, Japan
National Institute for Materials Science,1-1 Namiki, Tsukuba, 305-0044, Japan
National Institute of Materials Science
National Institute for Materials Science, University of Tsukuba
National Institute for Materials Science, Tsukuba, Japan
National Institue for Material Science, Tsukuba
Advanced Materials Laboratory, NIMS
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba 305-0044, Japan
Advanced Matrials Lab, NIMS
National Institute for Material Science, Tsukuba, Japan
National institute for materials science
NIMS-Tsukuba
NIMS, Japan
National Institute for Materials Science, Namiki Tsukuba Ibaraki, Japan
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Japan
NIMS Japan
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Ibaraki, Japan
Advanced Materials Laboratory, National Institute of Materials Science
Advanced Materials Laboratory, National Institute for Materials Science 1-1 Namiki, Tsukuba, 305-0044, Japan
National Institute of Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
National Institute for Material Science (Japan)
Physics, NIMS
National Institute of Materials Science, Japan
National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan