Figure 3
Top: technical drawing of the goniometric head. It is held by the diffractometer, and transfers the azimuthal ω rotation of the sample around its surface normal z into UHV. It holds a sample-heating stage consisting of the sample holder mounted on the heater with its support, shown at the bottom. The Mo sample holder is held in place thanks to the force exerted by a small bellows, which is also used to cool the whole heater assembly. |