Publication

Inelastic neutron polarization analysis

2003
Journal Articles

Abstract

We will review recent results obtained by longitudinal polarization analysis (LPA) and spherical neutron polarimetry (SNP) on typical "low-dimensional" strongly correlated electronic systems (spin-Peierls CuGeO3, High-T-c YBa2Cu3O6+x...), which all demonstrate the importance of polarized neutrons for studies of the magnetic and structural inelastic contributions. In such systems, the hybridization between the structural and magnetic degrees of freedom is expected to give rise to non-negligible "hybrid" correlation functions, which can be detected and investigated accurately by neutron polarimetry. The interest of the SNP in inelastic scattering will be discussed through measurements on CuGeO3.

Official source

https://infoscience.epfl.ch/entities/publication/39f61126-d951-4d09-822a-284e54852de4

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2003
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/39f61126-d951-4d09-822a-284e54852de4

About this result

Related concepts (32)

Raman scattering

Raman scattering or the Raman effect (ˈrɑːmən) is the inelastic scattering of photons by matter, meaning that there is both an exchange of energy and a change in the light's direction. Typically this effect involves vibrational energy being gained by a molecule as incident photons from a visible laser are shifted to lower energy. This is called normal Stokes Raman scattering. The effect is exploited by chemists and physicists to gain information about materials for a variety of purposes by performing various forms of Raman spectroscopy.

Scattering

Scattering is a term used in physics to describe a wide range of physical processes where moving particles or radiation of some form, such as light or sound, are forced to deviate from a straight trajectory by localized non-uniformities (including particles and radiation) in the medium through which they pass. In conventional use, this also includes deviation of reflected radiation from the angle predicted by the law of reflection.

Neutron scattering

Neutron scattering, the irregular dispersal of free neutrons by matter, can refer to either the naturally occurring physical process itself or to the man-made experimental techniques that use the natural process for investigating materials. The natural/physical phenomenon is of elemental importance in nuclear engineering and the nuclear sciences. Regarding the experimental technique, understanding and manipulating neutron scattering is fundamental to the applications used in crystallography, physics, physical chemistry, biophysics, and materials research.

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Inelastic neutron polarization analysis

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