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A new radiative microfurnace for X-ray single-crystal diffractometry

¹ Centro di Studio per la Geodinamica Alpina $CNR, c/o Dipartimento di Mineralogia e Petrologia, Università degli Studi di Padova, Corso Garibaldi 37, I-35100 Padova, Italy
² Dipartimento di Mineralogia e Petrologia, Università degli Studi di Padova, Corso Garibaldi 37, I-35100 Padova, Italy

View larger version (99K): [in this window] [in a new window]   Fig. 1a. Photograph of F1 microfurnace attached to circle of SIEMENS AEDII 4-circle diffractometer during data collection at high temperature.

View larger version (26K): [in this window] [in a new window]   Fig. 1b. Sketch of furnace: A, modified goniometer head; B, mobile heating body; PBN, pyrolitic boron nitride cylinder.

View larger version (148K): [in this window] [in a new window]   Fig. 1c. Detail of goniometer head with thermocouple, thermal shields and heating body with Pt winding on alumina ceramic support.

View larger version (13K): [in this window] [in a new window]   Fig. 2a. Plot of a cell parameter vs. T. Error bars represent one standard deviation.

View larger version (13K): [in this window] [in a new window]   Fig. 2b. Variations in periclase isotropic temperature factors U (Å2) vs. T.