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Microfurnace for single‐crystal diffraction measurements
Author(s) -
Lissalde F.,
Abrahams S. C.,
Bernstein J. L.
Publication year - 1978
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889878012625
Subject(s) - goniometer , orthorhombic crystal system , reciprocal lattice , lattice constant , lattice (music) , power consumption , materials science , diffraction , analytical chemistry (journal) , power (physics) , physics , thermodynamics , chemistry , optics , chromatography , acoustics
A new furnace design, based on the air‐flow principle, is described. The furnace can operate to 400°C with a stability of ± 0.25°C for long time periods, gives access to about 91% of reciprocal space, and mounts on a standard goniometer head. The power consumption at 200°C is 26 W, at 400°C is 40 W. Higher temperatures are attainable. The optimum air flow is 2.5 l min −1 . A proportional temperature‐regulator circuit with self‐contained power supply for the furnace is presented. The lattice‐constant temperature dependence of K 2 Cd 2 (SO 4 ) 3 has been determined with the microfurnace, in the interval 14–207°C, through the phase transition from orthorhombic to cubic.