Ciencias de los Materiales

 
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Electric charge

 
Detalles

Num.Producto: P1432700

Dilatación térmica de sólidos y líquidos

Principle

The volume expansion of liquids and the linear expansion of various materials is determined as a function of temperature.

Tasks

  1. To determine the volume expansion of ethyl acetate (C4H8O2), methylated spirit, olive oil, glycerol and water as a function of temperature, ...
 
Detalles

Num.Producto: P2310100

Dilatación térmica de sólidos

Principio

Se determina la dilatación lineal de varios materiales en función de la temperatura.

 
Detalles

Num.Producto: P2310200

Magnetostricción con interferómetro de Michelson

Principle

With the aid of two mirrors in a Michelson arrangement, light is brought to interference. Due to the magnetostrictive effect, one of the mirrors is shifted by variation in the magnetic field applied to a sample and the change in the interference pattern ...

 
Detalles

Num.Producto: P2430800

Resolución atómica de la superficie de grafito con el micros copio de efecto túnel (STM)

Principle

Approaching a very sharp metal tip to an electrically conductive sample by applying a electrical field leads to a current between tip and sample without any mechanical contact. This so-called tunneling current is used to investigate the electronic topography on the sub nanometer ...

 
Detalles

Num.Producto: P2532000

Métodos básicos de visualización de micro y nanoescructuras con el microscopio de fuerza atómica (AFM)

Principio

Aproximando una punta aguda de silicona montada en un voladizo (cantilever) para tomar una muestra de una superficie se produce una interacción a escala  atómica. El resultado es que el voladizo se curva, lo cual se detecta con láser. En modo ...

 
Detalles

Num.Producto: P2538000

Estructura de monocristales NaCl con diferentes orientacio- nes

Principle

The spectra of the X-rays that are reflected with various different orientations by NaCl monocrystals are analysed. The associated interplanar spacings are determined based on the Bragg angles of the characteristic lines.

Tasks

  1. Determine the intensity of the X-rays that ...
 
Detalles

Num.Producto: P2541301

Investigación de estructuras cristalinas cúbicas / método Debye-Scherrer

Principle

When polycrystalline samples are irradiated with X-rays a characteristic diffraction pattern results. These Debye-Scherrer reflections are photographed and then evaluated.

Tasks

  1. Debye-Scherrer photographs are to be taken of powdered samples of sodium chloride and caesium ...
 
Detalles

Num.Producto: P2541401

Investigación de estructuras cristalinas hexagonales / méto- do 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 ...
 
Detalles

Num.Producto: P2541501

Investigación de estructuras cristalinas / método 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 ...

 
Detalles

Num.Producto: P2541601

Investigación de estructuras cristalinas / método Laue con sensor de rayos X digital

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 ...

 
Detalles

Num.Producto: P2541602

Determinación de la longitud y posición de un objeto oculto

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 ...

 
Detalles

Num.Producto: P2542001

Patrón de difracción Debye-Scherrer con tres redes cúbicasde Bravais (geometría 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 ...

 
Detalles

Num.Producto: P2542101

Patrón de difracción Debye-Scherrer de muestras de polvoscon estructura de diamante (geometría 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 ...

 
Detalles

Num.Producto: P2542201

Patrón de difracción Debye-Scherrer de muestras de polvoscon estructura cristalina hexagonal (geometría Bragg-Brenta- no)

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. ...

 
Detalles

Num.Producto: P2542301

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