A new belt-type apparatus for energy-dispersive x-ray diffraction under high pressure and temperature

doi:10.1016/0167-5087(83)91184-5

Nuclear Instruments and Methods in Physics Research

Volume 208, Issues 1–3, 15 April 1983, Pages 569-572

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Abstract

A belt-type high-pressure cell has been constructed for experiments with energy-dispersive X-ray diffraction. The time dependence of the KCl phase transition is given as an example for time resolved experiments using synchrotron radiation.

References (3)

G. Will
Fortschr. Miner.
(1981)

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Cited by (7)

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For energy-dispersive X-ray powder diffraction under high pressure and high temperature a multi-anvil-X-ray apparatus (MAX 80) has been installed at HASYLAB. This instrument allows to measure diffraction data at very short intervals and thus study time dependent phenomena. As an example we have investigated the kinetics of the α-quartz-coesite phase transformation. The kinetics was determined by in situ experiments between temperatures of 870 and 1170 K and in a pressure range of 30–50 kbar. The structural changes were directly imaged using synchrotron radiation. The experimental results yield the rate constant K_c for the growth of coesite from quartz as a starting material under dry conditions. For the transition three K_c values from 6.0 × 10⁴to 2.2 × 10⁴ s⁻¹ for different p/t-ranges were determined.
Application of X-ray energy-dispersive diffraction for characterization of materials under high pressure
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A unique high pressure apparatus for X-ray diffraction studies of phase transitions up to 5 kbar
1987, Nuclear Inst. and Methods in Physics Research, B
A new high pressure apparatus equipped with a beryllium pressure cell for X-ray diffraction experiments up to 5 kbar is described. The apparatus is especially designed for studying phase transitions in crystalline solids. The pressure generator has the capabilities of controlling pressure with precision of ± 2 bars and of performing a quick change in pressure applied to a sample. The beryllium miniature cell is press-fitted with a supporting jacket which has a large aperture for X-ray beams; therefore, a greater portion in reciprocal space can be surveyed. By using synchrotron radiation X-rays, we have carried out a test experiment on the incommensurate-commensurate phase transition in [N(CH₃)₄]₂MnCl₄.
Thirty years of energy-dispersive powder diffraction
2002, Crystallography Reviews
Kinetics of the pressure-induced first-order phase transformation of RbJ
2001, High Pressure Research
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1990, High Pressure Research

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Nuclear Instruments and Methods in Physics Research

A new belt-type apparatus for energy-dispersive x-ray diffraction under high pressure and temperature

Abstract

Fortschr. Miner.

Kinetic studies of the crystallisation of coesite using synchrotron radiation

Application of X-ray energy-dispersive diffraction for characterization of materials under high pressure

A unique high pressure apparatus for X-ray diffraction studies of phase transitions up to 5 kbar

Thirty years of energy-dispersive powder diffraction

Kinetics of the pressure-induced first-order phase transformation of RbJ

P-T diagram in the as-8 system