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Single Crystal X-Ray Laboratory  

Responsabile /
  Gatta Diego    email    diego.gatta@unimi.it  telefono   +39 02 503 15607
Personale di
riferimento /
  Rotiroti Nicolaemail    nicola.rotiroti@unimi.it   telefono   +39 02 503 15604
Attrezzature /
  XRD_1             XRD_2

The single-crystal X-ray lab is equipped with two diffractometers and a series of devices which allow
to perform in-situ experiment under extreme conditions.

Two 4-circle kappa diffractometers are available: 1) Xcalibur - Oxford Diffraction,  equipped with both
point and CCD detector, and 2) KM4 KUMA equipped with a point detector. This two diffractometers
allow to obtain accurate and precise unit-cell parameters of the crystals under investigation, along
with a good integrated intensity of the Bragg reflections. Driving software and data reduction are
governed by CrysAlis, an all-in-one crystallographic software package.

As we are also interested in experiments under extreme conditions, the laboratory is equipped with
a series of devices and facilities devoted to in-situ high-pressure experiments: ETH-type diamond anvil cells, mini-spectrophotometer for pressure calibration by fluorescence methods, spark eroder and mechanical

Weissenberg and precession cameras have to be mentioned in order to complete the instrument list.

Attività di Ricerca
svolta dal
laboratorio /
Research activities

Attività di Ricerca - Research

Crystallography: Structure analysis

Mineral physics: Equation of State, Elastic properties, Phase stability

The materials under investigation are usually minerals, or their synthetic analogues.
Beyond the mineralogy, the laboratory provided experimental data used in solid-state chemistry,
pharmaceutical, forensic, and archaeological applications.

Didattica svolta dal laboratorio - Teaching

Bachelor, master and PhD students are educated to the use of the diffractometers and of the
high-pressure devices. Courses devoted to the data treatment and structure refinement are provided.



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