Is graphene the best quantum resistance standard?
New research from NPL's Quantum Detection Group presents the most precise measurements of the quantum Hall effect ever made, using the two-dimensional material graphene.
New research from NPL's Quantum Detection Group presents the most precise measurements of the quantum Hall effect ever made, using the two-dimensional material graphene.
Quantum Physics
Sep 19, 2011
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Scientists in Japan have shown that the properties of a recently discovered state of mattera chiral spin liquidcan be controlled by applying a magnetic field1, a concept that could be harnessed for low-energy-consumption ...
General Physics
Sep 9, 2011
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The Quantum Hall effect (QHE) is one of the most important discoveries in physical sciences. Due to the one-dimensional (1-D) dissipationless edge states, QHE exhibits exotic transport properties with quantized Hall resistance ...
Quantum Physics
Jun 2, 2020
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In a recent article published in Science Bulletin, researchers developed an effective organic-cation intercalation strategy to manipulate the interlayer coupling of layered materials, and obtain a class of organic-inorganic ...
Materials Science
Feb 18, 2020
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Limiting quantum particles to move in one, two, or three dimensions has led to the observation of many striking phenomena. A prime example is the quantization of the Hall conductance measured in 2-D materials in a strong ...
Quantum Physics
Oct 3, 2019
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Scientists at the University of Hong Kong and Hunan Normal University showed that, in homobilayer transition metal dichalcogenides, the real-space Berry phase from moiré patterns manifests as a periodic magnetic field. The ...
Quantum Physics
Sep 30, 2019
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Iron-based superconductors (IBSCs) have attracted sustained research attention over the past decade, partly because new IBSCs were discovered one after another in the earlier years. At present, however, exploration of IBSCs ...
Superconductivity
May 16, 2019
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The prestigious Reviews of Modern Physics has just published a review paper on Spin Hall effects.
General Physics
Nov 16, 2015
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The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by ...
Quantum Physics
Jan 6, 2015
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Toyohashi Tech researchers have fabricated Hall effect magnetic field sensors operable at least 400 C and in extreme radiation conditions using gallium nitride-based heterostructures a with two-dimensional electron gas.
General Physics
Mar 22, 2012
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