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Related Concept Videos

The Hall Effect01:30

The Hall Effect

Edwin H. Hall, in the year 1879, devised an experiment that could be used to identify the polarity of the predominant charge carriers in a conducting material. From a historical perspective, this experiment was the first to demonstrate that the charge carriers in most metals are negative.
Temperature and Thermal Equilibrium01:11

Temperature and Thermal Equilibrium

Heat and temperature are essential concepts for everyone every day. The study of heat and temperature is part of an area of physics known as thermodynamics. It is not always easy to distinguish heat and temperature.
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Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
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Atomic Spectroscopy: Effects of Temperature

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Updated: Jun 28, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Room-Temperature Intrinsic Nonlinear Planar Hall Effect in TaIrTe_{4}.

Chang Jiang1,2, Fan Yang3, Yu Zhao4,5

  • 1Fudan University, State Key Laboratory of Surface Physics and Department of Physics, Shanghai 200433, China.

Physical Review Letters
|June 26, 2026
PubMed
Summary
This summary is machine-generated.

Researchers discovered a new intrinsic nonlinear planar Hall effect in TaIrTe4. This quantum geometry-driven response persists to room temperature, paving the way for novel electronic devices.

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Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

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Last Updated: Jun 28, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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Published on: April 16, 2017

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Area of Science:

  • Condensed Matter Physics
  • Quantum Materials
  • Solid-State Physics

Background:

  • Intrinsic responses reveal fundamental material properties, independent of external factors.
  • Quantum geometry of band structures offers insights into material behavior.
  • Topological semimetals like TaIrTe4 are promising for novel electronic phenomena.

Purpose of the Study:

  • To experimentally discover and characterize a new intrinsic charge transport response.
  • To investigate the nonlinear planar Hall effect in the topological semimetal TaIrTe4.
  • To explore the role of band geometry and orbital mechanisms in this effect.

Main Methods:

  • Experimental measurement of charge transport in TaIrTe4.
  • Application of electric fields and in-plane magnetic fields.
  • Theoretical calculations to model the observed response and elucidate underlying mechanisms.

Main Results:

  • Experimental discovery of the intrinsic nonlinear planar Hall effect in TaIrTe4.
  • The effect is quadratic in electric field and linear in magnetic field.
  • The response coefficient is linked to the Berry-connection polarizability dipole.
  • The phenomenon is observed to persist up to room temperature.

Conclusions:

  • TaIrTe4 exhibits a novel intrinsic nonlinear planar Hall effect.
  • Band geometry and a previously unrecognized orbital mechanism are crucial.
  • This discovery opens avenues for room-temperature nonlinear electronic devices.