the beam has been focused at the center of a 30 nm tube in diameter. Similar data has been acquired at the B-K edge and for a different orientation Analyst: Odile Stephan, Raul Arenal de la Concha. Temperature: Room. BEAM/Crystal: Beam perpendicular to the planes.
Use in HyperSpy
import exspy
spectra = exspy.data.eelsdb(title="Boron Nitride multiwall nanotube", formula="BN")
s = next(sp for sp in spectra if sp.original_metadata.json.id == 21703)
s.plot(plot_edges=True)
Specimen
Formula
BN
Elements
B, N
Edges
N K
Energy range
373.34 – 747.94 eV
Step
0.477 eV
Keywords
imported from old site
Treatment
Dark current corrected
Yes
Gain variation corrected
No
Acquisition
Microscope
STEM-VG
Gun
Cold FEG
Beam energy
100 kV
Convergence semi-angle
15 mrad
Collection semi-angle
24 mrad
Resolution
0.7 eV
Mode
STEM
Detector
Parallel: 666 Gatan
Probe size
1 nm²
Reference
Raul Arenal de la Concha,PhD thesis,2005 (http://lem.onera.fr/download/These_Raul-Arenal.pdf)