An instrument with very high energy resolution in X-ray scattering

Dörner, B.; Peisl, H.

doi:10.1016/0167-5087(83)91187-0

Cited by 36 publications

(23 citation statements)

References 4 publications

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“…Therefore, the fabrication of analyzers for meV spectroscopy has been a challenge. Several developments have taken place (Graeff & Materlik, 1982;Dorner & Peisl, 1983;Burkel et al, 1987;Sinn et al, 2002;Verbeni et al, 2005;Collart et al, 2005;Masciovecchio et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

New developments in fabrication of high-energy-resolution analyzers for inelastic X-ray spectroscopy

2011

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In this work new improvements related to the fabrication of spherical bent analyzers for 1 meV energy-resolution inelastic X-ray scattering spectroscopy are presented. The new method includes the use of a two-dimensional bender to achieve the required radius of curvature for X-ray analyzers. The advantage of this method is the ability to monitor the focus during bending, which leads to higher-efficiency analyzers.

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Section: Introductionmentioning

confidence: 99%

New developments in fabrication of high-energy-resolution analyzers for inelastic X-ray spectroscopy

2011

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“…They were developed by DuMond and Kirkpatrick [3,4] as early as 1930, using the Rowland geometry [5,6]. However, the relative energy resolution of 10 −7 was only achieved recently, starting from the pioneering idea of Dorner and co-workers [7][8][9] and then pushed to the sub-THz range by Sette and co-workers [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

High resolution inelastic X-ray scattering from thermal collective excitations

d’Astuto

Krisch

2010

JDN 16 – Diffusion Inélastique Des Neutrons Pour l'Etude Des Excitations Dans La Matiére Condensée

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Abstract. In this lecture we will introduce the general characteristics of non-resonant X-ray inelastic scattering, in particular its scattering and absorption cross-section as well as its kinematic conditions. We will then present how it is possible to achieve meV energy resolution with keV X-rays, hence performing light inelastic scattering of thermal excitations with a wavelength of the order of inter-atomic spacing in liquids and solids. We will describe the perfect crystal monochromator back-scattering experimental set-up and the resulting instrumental function in energy and momentum space. We will then discuss the consequence of the above mentioned experimental characteristics, in particular for the application of the technique to phonon dispersion measurements in crystals, in comparison with triple axes inelastic neutron scattering and Raman experiments.

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“…More recent technical advances are the extension of neutron scattering to lower Q (down to Q ∼ 0.2 nm −1 ) [32][33][34], the advent of high-resolution x-ray scattering [35][36][37], widening the energy window at a given Q due to the absence of the intrinsic kinematic limitations of neutron scattering, and, finally, the application of UV spectroscopy [38] to cover the Q gap between light scattering and the other techniques.…”

Section: Introductionmentioning

confidence: 99%

Collective dynamics in noble-gas and other very simple classical fluids

Bafile¹,

Barocchi²,

Guarini³

2008

Condens. Matter Phys.

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Rare gases and their liquids are the simplest systems to study for accurate investigations of the collective dynamics of fluid matter. Much work has been done using different spectroscopic techniques, moleculardynamics simulations, and theoretical developments, in order to gain insight into the microscopic processes involved, in particular, in the propagation of acoustic excitations in gases and liquids. Here we briefly review the interpretation schemes currently applied to the characterization of such excitations, and recall a few results obtained from the analysis of rare-gas fluids and other very simple systems.

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An instrument with very high energy resolution in X-ray scattering

Cited by 36 publications

References 4 publications

New developments in fabrication of high-energy-resolution analyzers for inelastic X-ray spectroscopy

New developments in fabrication of high-energy-resolution analyzers for inelastic X-ray spectroscopy

High resolution inelastic X-ray scattering from thermal collective excitations

Collective dynamics in noble-gas and other very simple classical fluids

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