fig3
Figure 3. Auxiliaries for enabling cryogenic APT specimen transfer. (A) Glovebox with a dewar (blue arrow) and a loadlock (green arrow) with a cooling stage and turbo pump. The inset shows a specimen-transfer suitcase (by Ferrovac) equipped with a cooling finger connecting to a dewar (blue arrow). Red circles show the docking port connecting the loadlock and the suitcase. (B) Cryo-puck with a thermo-insulating washer (red arrow). (C) Cryo-carousel compatible with commercial APT system (LEAP by CAMECA) with a slot dedicated to cryo-specimen (red arrow), which is distinct from a normal metallic slot (blue arrow). (D) Commercial APT instrument (LEAP 4000 XS) with a suitcase attached.