Iron Oxide Siderite Formula: FeCO3 Core Loss

Submitted by Alex Gloter, February 8, 2008.

Source / Purity: Natural sample, strongly substituted (Fe0.79Mn0.12Mg0.07Ca0.02CO3)

Author Comments: The energy calibration have been done by measuring the EELS spectra of this phase with respect to the EELS spectra of an Hematite sample. The Hematite and siderite samples beeing deposited onto the same grid. The hematite O-K prepeak maxima have been set at 529.4 and 530.6 eV. Energy resolution improved by Richardson-Lucy deconvolution Analyst: A. Gloter, A. Chen. Temperature: Room.

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Spectrum Metadata

Specimen Name
STEM-VG
Spectrum Type
Core Loss
Specimen Formula
FeCO3
Data Range
525.95 eV - 556.15 eV
Source and Purity
Natural sample, strongly substituted (Fe0.79Mn0.12Mg0.07Ca0.02CO3)
Elemental Edges
O_K
Keywords
imported from old site
Alternative URL
Old EELS DB
Microscope Name / Model
STEM-VG
Gun Type
Cold FEG
Incident Beam Energy
100 kV
Monochromated
No
Dispersion
0.05 eV/pixel
Convergence Semi-angle
7.5 mrad
Collection Semi-angle
24 mrad
Detector
Parallel: 666 Gatan
Dark Current Correction
No
Gain Variation Spectrum
No

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