JEOL GrandARM

Manufacturer:
JEOL

Model name:
JEM-ARM300F Grand ARM "Vortex"

Location:
HPM A 66

Phone:
3 33 12

Price category:
TEM and APT / Large Scale Frontiers

external pageDirect booking link to PPMS

Instrument contact:

Dr. Milivoj Plodinec

ScopeM
Otto-Stern-Weg 3
8093 Zürich
Switzerland

Brief description

The GrandARM is a high-end electron microscope for experienced users. It has a cold field emission gun (Cold FEG) and a Cs corrector that compensates for higher order aberrations. These enable atomic-resolution imaging at 300 kV as well as at 80 kV accelerating voltage.

Technical details

Camera / detectors:

Gatan 1View (16 M pixel CMOS Camera, 25 fps @ 4k×4k)
HAADF, ADF, BF, SE Detectors for STEM
Dual EDS system
Model 965 GIF Quantum ER EELS Spectrometer/Imaging Filter
NanoMEGAS DigiSTAR P2000 with ASTAR 2.0 software

Key features:

High voltage: 80 kV, 300 kV
Emitter: cold-field emission gun, energy spread ≤ 0.35 eV
Double CS corrected (TEM&STEM) instrument
TEM information limit < 80 pm
DF STEM resolution 63 pm
Two large area SDD EDX detectors with 100 mm² active area; total solid angle: 1.6 sr energy resolution: ≤ 133 eV for Mn-Ka
Piezo-stage
Orientation mapping and diffraction-tomography

Holders:

Single tilt
Low background double tilt (maximum tilt angle ±30º)
Protochips “Fusion” heating holder
Protochips “Poseidon” liquid cell holder with electrochemical set-up
DENSsolutions “Climate” gas & heating holder

Booking rules

The following general booking rules apply (exceptions may exist):

Registered expert users can book 2 weeks in advance (exceptions can be discussed)
In-situ sessions have to be discussed with team members of ScopeM