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EELS: A tool for investigating biological materials

Methods

Electron energy loss spectroscopy (EELS) is the analysis of the energy distribution of the electrons that have passed through a thin sample and have interacted with it inelastically. . . .
Fast simultaneous acquisition of low- and core-loss regions in the EELS spectrum from catalyst particles containing the heavy metals Au and Pd using the GIF Quantum system

Methods

Metals such Pd and Pt have been extensively used in the automotive industry as exhaust gas catalyst for pollution control. . . .
STEM alignment for EELS analysis

Media Video

Electron energy loss spectroscopy (EELS) tutorial for STEM alignment.
Gigahertz dielectric polarization of substitutional single niobium atoms in defective graphitic layers

Publication

Physical Review Letters

Zhang, X.; Guo, J.; Guan, P.; Qin, G.; Pennycook, S. J.

We synthesize two Nb/C composites with an order of magnitude difference in the density of single niobium atoms substituted into defective graphitic layers.
Surface segregation of Fe in Pt–Fe alloy nanoparticles: Its precedence and effect on the ordered-phase evolution during thermal annealing

Publication

ChemCatChem

Prabhudev, S.; Bugnet, M.; Zhu, G. -Z.; Bock, C.; Botton, G. A.

Coupling electron microscopy techniques with in situ heating ability allows us to study phase transformations on the single-nanoparticle level.
Crack healing induced electrical and mechanical properties recovery in a Ti2SnC ceramic

Publication

Journal of the European Ceramic Society

Li, S.; Bei, G.; Chen, X.; Zhang, L.; Zhou, Y.; Mačković, M.; Spiecker, E.; Greil, P.

Ceramics are able to heal cracks and flaws by triggering local sintering (internal cracks) or oxidation reaction (surface cracks) which may induce the recovery of mechanical strength.
Chemical and compositional analysis of 3D NAND and FinFET devices

Media Video

Learn how the complementary nature of electron energy loss spectroscopy (EELS) and energy dispersive spectroscopy (EDS) signals makes it highly desirable to acquire both during transmission electron microscope (TEM) investigations of materials.
Unravelling structural ambiguities in lithium- and manganese-rich transition metal oxides

Publication

Nature Communications

Shukla, A. K.; Ramasse, Q. M.; Ophus, C.; Duncan, H.; Hage, F.; Chen, G.

Although Li- and Mn-rich transition metal oxides have been extensively studied as high-capacity cathode materials for Li-ion batteries, the crystal structure of these materials in their pristine state is not yet fully understood.
Exploring the single atom spin state by electron spectroscopy

Publication

Physical Review Letters

Lin,Y. -C.; Teng, P. -Y.; Chiu, P, -W.; Suenaga, K.

To control the spin state of an individual atom is an ultimate goal for spintronics. A single atom magnet, which may lead to a supercapacity memory device if realized, requires the high-spin state of an isolated individual atom.
Formation of nanocrystallized structure in worn surface layer of T10 steel against 20CrMnTi steel during dry rubbing

Publication

Journal of Nanomaterials

Wang, X.; Wei, X.; Zhang, J.; Li, R.; Hua, M.; Wang, W.

T10 steel slid against 20CrMnTi steel on a pin-on-discwear test rig.OpticalMicroscope (OM), scanning electron microscope (SEM),

and High Resolution Transmission ElectronMicroscope (HRTEM) methods were used to analyze the microstructures in the worn

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