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Analyse d'une structure de cristal hexagonale - Méthode des poudres selon Debye-Scherrer

Principle

A polycrystalline zirconium foil is irradiated with X-rays. The resulting Debye-Scherrer reflections are photographed and then evaluated.

Tasks

  1. Take Debye-Scherrer photographs of the zirconium sample.
  2. Evaluate the Debye-Scherrer rings and assign them to ...
 
Détails

Numéro d´article: P2541501

Détermination de structures cristallines par rayonnement X méthode de Laue

Principle

Laue diagrams are produced when monocrystals are irradiated with polychromatic X-rays. This method is primarily used for the determination of crystal symmetries and the orientation of crystals. When a LiF monocrystal is irradiated with polychromatic X-rays, a characteristic ...

 
Détails

Numéro d´article: P2541601

Investigation de structures cristallines par rayons X / méthode de Laue avec détecteur digital (XRIS)

Principle

Laue diagrams are produced when monocrystals are irradiated with polychromatic X-rays. This method is primarily used for the determination of crystal symmetries and the orientation of crystals. When a LiF monocrystal is irradiated with polychromatic X-rays, a characteristic ...

 
Détails

Numéro d´article: P2541602

Détermination de la longueur et de la position d'un objet invisible à l'?il nu

Principle

This experiment provides training in determining the length and position of an object based on an X-ray image. A metal pin that is embedded in a wooden block is used as the model. This experiment is also an excellent preparatory exercise for demonstrating the principle of computed ...

 
Détails

Numéro d´article: P2542001

Etude de la diffraction par des poudres cristallines en réseaux de Bravais (géométrie Bragg-Brentano)

Principle

Polycrystalline powder samples, which crystallize in the three cubic Bravais types, simple, face-centered and body-centered, are irradiated with the radiation from a Roentgen tube with a copper anode. A swivelling Geiger-Mueller counter tube detects the radiation that is ...

 
Détails

Numéro d´article: P2542101

Etude de la diffraction par des poudres cristallines avec structure diamant

Principle

Polycrystalline powder samples, which crystallize in the three cubic Bravais types, simple, face-centered and body-centered, are irradiated with the radiation from a Roentgen tube with a copper anode. A swivelling Geiger-Mueller counter tube detects the radiation that is ...

 
Détails

Numéro d´article: P2542201

Etude de la diffraction par des poudres cristallines avec structure hexagonale

Principle

A polycrystalline powder sample of zinc is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the crystallites. ...

 
Détails

Numéro d´article: P2542301

Etude de la diffraction par des poudres cristallines avec structure tétragonale

Principle

A polycrystalline powder sample of lead dioxide is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the ...

 
Détails

Numéro d´article: P2542401

Etude de la diffraction par des poudres cristallines avec structure cubique

Principle

A cubic crystalline powder sample is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the crystallites. The ...

 
Détails

Numéro d´article: P2542501

Mesures de l'intensité de diffraction des figures de Debeye-Scherrer utilisant une poudre à structure cubique

Principle

A polycrystalline, cubic face-centered crystallizing powder sample is irradiated with the radiation from a Roentgen tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice ...

 
Détails

Numéro d´article: P2542601

Mesures par diffraction de Debye-Scherrer des paramètres de structure de feuilles laminées

Principle

A polycrystalline, cubic face-centered crystallizing copper powder sample and a thin copper sheet are separately irradiated with the radiation from a Roentgen tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is ...

 
Détails

Numéro d´article: P2542701

Spectroscopie de fluorescence X - calibration du détecteur

Principle

Various metal samples are subjected to polychromatic X-rays. The resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multi-channel analyser. The maxima of intensity of the corresponding characteristic X-ray lines are determined. The ...

 
Détails

Numéro d´article: P2544001

Résolution de l'énergie du détecteur d'énergie de rayons X

Principle

Various metal samples are subjected to polychromatic X-rays. The resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multichannel analyser. The energy of the characteristic X-ray lines and their full widths at half maximum are determined. ...

 
Détails

Numéro d´article: P2544101

Fluorescence interne du détecteur d'énergie

Principle

Fluorescence radiation of the elements of a sample can cause fluorescence radiation inside the detector and its housing if the energy is sufficiently high. As a result, the spectrum may include lines that are not caused by the sample. For the detection of potential additional ...

 
Détails

Numéro d´article: P2544201

Spectroscopie de fluorescence X qualitativedes métaux - la loi de Moseley

Principle

Various metal samples are subjected to polychromatic X-rays. The energy of the resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multi channel analyser. The energy of the corresponding characteristic X-ray lines is determined and the ...

 
Détails

Numéro d´article: P2544501

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