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HALL EFFECT [19 records]

Record 1 2022-10-17

English

Subject field(s)
  • Atomic Physics
CONT

The fractional quantum Hall effect(FQHE) arises from strong correlations between electrons when they are confined to two dimensions and exposed to a strong magnetic field. The underlying physics is the formation of topological particles called composite fermions(CFs), electron-vortex bound states whose integer quantum Hall effect explains a large majority of the observed FQHE states.

French

Domaine(s)
  • Physique atomique
CONT

Les protons, les neutrons et les noyaux atomiques de nombre atomique impair sont des fermions composés [...]

Spanish

Save record 1

Record 2 2018-08-10

English

Subject field(s)
  • Atomic Physics
CONT

The quantum Hall effect(or integer quantum Hall effect) is a quantum-mechanical version of the Hall effect, observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields...

French

Domaine(s)
  • Physique atomique
CONT

L'effet Hall quantique (en général) n'existe pas en dimension 3.

Spanish

Save record 2

Record 3 2018-08-10

English

Subject field(s)
  • Atomic Physics
CONT

The fractional quantum Hall effect(FQHE) is a collective behaviour in a two-dimensional system of electrons.

French

Domaine(s)
  • Physique atomique
CONT

La découverte de l'effet Hall quantique fractionnaire date de plus de vingt ans et a été couronnée d'un prix Nobel en 1998.

Spanish

Save record 3

Record 4 2017-06-07

English

Subject field(s)
  • Electrokinetics
DEF

In a current-carrying semiconductor bar located in a magnetic field that is perpendicular to the direction of the current, the production of a voltage perpendicular to both the current and the magnetic field.

OBS

Hall effect : term officially approved by the Lexicon Project Committee(New Brunswick).

PHR

quantized Hall effect

French

Domaine(s)
  • Électrocinétique
DEF

Production d'un champ électrique proportionnel au produit vectoriel de la densité de courant par l'induction magnétique.

OBS

effet Hall : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Campo(s) temático(s)
  • Electrocinética
PHR

Efecto Hall cuántico.

Save record 4

Record 5 2016-07-21

English

Subject field(s)
  • Ignition Systems (Motor Vehicles)
DEF

An ignition system in which [the] ignition timing signal is produced by [a] "Hall effect" switch.

OBS

When [a] magnetic field is applied to the conductor material with passing current in one direction, at a right angle to its surface, [a] small voltage is generated in the material. This effect is called "Hall effect" after the discoverer of this phenomenon.

OBS

Hall type ignition system; Hall type electronic ignition system: terms standardized by ISO.

French

Domaine(s)
  • Allumage (Véhicules automobiles)
DEF

Système d'allumage dans lequel le signal d'avance à l'allumage est généré par un commutateur à «effet Hall».

OBS

Lorsque le champ magnétique est appliqué au matériau conducteur en faisant passer le courant électrique dans un seul sens, à angle droit de sa surface, une faible tension est générée dans le matériau. Ce phénomène, une fois découvert, a été baptisé «effet Hall».

OBS

système d'allumage de type Hall; système d'allumage électronique de type Hall : termes et définition normalisés par l'ISO.

Spanish

Save record 5

Record 6 2013-12-12

English

Subject field(s)
  • Electrokinetics
  • Electronics
CONT

Hall effect devices when appropriately packaged are immuned to dust, dirt, mud, and water. These characteristics make Hall effect devices better for position sensing than alternative means such as optical and electromechanical sensing.

French

Domaine(s)
  • Électrocinétique
  • Électronique

Spanish

Save record 6

Record 7 2011-08-23

English

Subject field(s)
  • Chemistry
Universal entry(ies)
DEF

A crystalline solid having photoconductive, photoelectromagnetic and magnetoresistive properties which is prepared by melting together stoichiometric amounts of indium and antimony in evacuated ampuls, has a melting point of 535°C, and is used for semiconductor devices, infrared detectors and in computer technology(Hall effect).

French

Domaine(s)
  • Chimie
Entrée(s) universelle(s)
OBS

antimonure : Combinaison binaire de l'antimoine avec un autre corps simple.

OBS

L'Union internationale de chimie pure et appliquée (UICPA) recommande l'emploi d'«antimonure» à la place d'«antimoniure».

Spanish

Save record 7

Record 8 2009-05-28

English

Subject field(s)
  • Audio Technology
  • Audiovisual Techniques and Equipment

French

Domaine(s)
  • Électroacoustique
  • Audiovisuel (techniques et équipement)

Spanish

Save record 8

Record 9 2008-01-15

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Electrical Engineering
  • Printed Circuits and Microelectronics
DEF

The mobility of electrons or holes in a semiconductor as measured by the Hall effect.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Électrotechnique
  • Circuits imprimés et micro-électronique
DEF

Mobilité des électrons ou des trous dans un semiconducteur, mesurée par l'effet de Hall.

Spanish

Save record 9

Record 10 2004-11-09

English

Subject field(s)
  • Launchers (Astronautics)
DEF

A type of Hall effect thruster.

CONT

This plasma thruster relies on the "Hall effect" to accelerate xenon ions to speed up to 16, 000 km/hour. It is able to deliver 70 mN of thrust with a specific impulse(the ratio between thrust and propellant consumption) 5 to 10 times better than traditional chemical thrusters and for mush longer durations(months or even years, compared to the few minutes’ operating times typical of traditional chemical engines).

French

Domaine(s)
  • Lanceurs (Astronautique)
DEF

Moteur en cours de développement (Russie, France, USA) pour la propulsion et le contrôle des gros satellites et des sondes interplanétaires dans lequel le carburant est remplacé par un gaz rare.

Spanish

Save record 10

Record 11 2004-05-04

English

Subject field(s)
  • Missiles and Rockets
  • Launchers (Astronautics)
CONT

In Electro-Static thrusters, the propellant is ionized and the resulting ions are accelerated through an electric potential. Common examples include Hall effect and Kaufmann type thrusters. Electro-Magnetic thrusters utilize electric and magnetic body forces to accelerate ions. The most common type of electromagnetic thruster is the magnetoplasmadynamic thruster, or MPD.

French

Domaine(s)
  • Missiles et roquettes
  • Lanceurs (Astronautique)

Spanish

Save record 11

Record 12 2004-05-04

English

Subject field(s)
  • Missiles and Rockets
  • Launchers (Astronautics)
DEF

A form of electric propulsion in which the propellant is accelerated after having been heated to a plasma state. There are several subcategories of electromagnetic propulsion, including magnetoplasmadynamic thrusters, pulsed-plasma thrusters, and Hall effect thrusters.

French

Domaine(s)
  • Missiles et roquettes
  • Lanceurs (Astronautique)
CONT

[...] les recherches en propulsion électromagnétique pour le transport à grande vitesse, une technologie qui servira [...] le véhicule électromagnétique devant voyager dans l'espace.

PHR

Propulsion électromagnétique antigravitationnelle, linéaire, pulsée.

Spanish

Save record 12

Record 13 2004-05-04

English

Subject field(s)
  • Launchers (Astronautics)
CONT

The Hall thruster is an electric rocket engine, which accelerates ions in crossed electric and magnetic fields in a quasineutral plasma.

CONT

In Electro-Static thrusters, the propellant is ionized and the resulting ions are accelerated through an electric potential. Common examples include Hall effect and Kaufmann type thrusters.

French

Domaine(s)
  • Lanceurs (Astronautique)
CONT

Étude expérimentale dans différents régimes de fonctionnement du comportement de 2 types de propulseurs à effet Hall pour les sondes spatiales : un propulseur à forte puissance et un propulseur bi-étage en utilisant principalement la fluorescence induite par laser comme diagnostic.

Spanish

Save record 13

Record 14 2004-05-04

English

Subject field(s)
  • Missiles and Rockets
  • Launchers (Astronautics)
CONT

In Electro-Static thrusters, the propellant is ionized and the resulting ions are accelerated through an electric potential. Common examples include Hall effect and Kaufmann type thrusters. Electro-Magnetic thrusters utilize electric and magnetic body forces to accelerate ions. The most common type of electromagnetic thruster is the magnetoplasmadynamic thruster, or MPD.

PHR

High-power electromagnetic thruster.

French

Domaine(s)
  • Missiles et roquettes
  • Lanceurs (Astronautique)
CONT

[...] dans le propulseur électromagnétique, le projectile (un morceau de résine isolante) porte sur sa face arrière de minces feuilles de cuivre, qui fondent rapidement et se vaporisent lorsque elles sont traversées par un courant de très forte intensité ; on est alors en présence d'un plasma (gaz ionisé conducteur, localement neutre). La température de ce plasma est suffisamment élevée pour que tous les atomes de cuivre soient ionisés [...]

Spanish

Save record 14

Record 15 2002-10-10

English

Subject field(s)
  • Information Processing (Informatics)
  • Television (Radioelectricity)
  • Audiovisual Techniques and Equipment
CONT

Surround modes for music. Many surround decoders provide processing modes other than Dolby Surround, variously called "Hall, ""Stadium, ""Jazz Club, "etc. These attempt to recreate the effect of hearing music performed in their namesake environments. A "Matrix" mode may also be provided to give either mono or conventional stereo programs added spatial dimensionality.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Télévision (Radioélectricité)
  • Audiovisuel (techniques et équipement)
CONT

[Dolby Surround Pro Logic II]. Un mode matrix optionnel permet de produire du son enveloppant à partir d'une source monophonique.

Spanish

Save record 15

Record 16 2002-09-10

English

Subject field(s)
  • Electronic Measurements
DEF

A semiconductor chip that senses magnetic flux changes when passing over magnets.

French

Domaine(s)
  • Mesures électroniques
DEF

[Capteur qui] donne un signal lorsqu'il détecte un champ magnétique ou une pièce métallique. La tension de Hall (du nom de celui qui remarqua le phénomène en 1879) est amplifiée dans le capteur.

OBS

L'utilisation d'une minuscule cellule de Hall permet de capter aisément des inductions magnétiques. Les applications sont nombreuses, des touches de clavier à la mesure d'une intensité en courant continu ou alternatif, ou encore au positionnement précis de mobiles divers.

Spanish

Save record 16

Record 17 2001-04-11

English

Subject field(s)
  • Atomic Physics
OBS

The basic physical principle underlying the Hall effect is the Lorentz force. When an electron moves along a direction perpendicular to an applied magnetic field, it experiences a force acting normal to both directions, and moves in response to this force and the force effected by the internal electric field.

French

Domaine(s)
  • Physique atomique

Spanish

Campo(s) temático(s)
  • Física atómica
CONT

Los alones aparecen directamente en el EHCF. Según la construcción cuyo esquema me he limitado a describir, en el EHCF los electrones son, en cierta manera, "superfermiones".

Save record 17

Record 18 1985-08-12

English

Subject field(s)
  • Energy Transformation
  • Chemistry
OBS

... it is possible to demonstrate that the intact chloroplasts of the green plant, when light of the proper wavelength is shone on them, do indeed behave as though they were "conduction electrons" developed by incident light. It has been possible to demonstrate a Hall effect in illuminated chloroplasts.

French

Domaine(s)
  • Transformation de l'énergie
  • Chimie

Spanish

Save record 18

Record 19 1984-11-26

English

Subject field(s)
  • Machinery

French

Domaine(s)
  • Machines

Spanish

Save record 19

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