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Recombination of a Dislocation Dipole in Ti2N

Shot peening of Ti-45Al-10Nb in air leads to partial amorphisation of the outermost layer and to the formation of a contaminant nanocrystalline (T, Al)N phase, presumably Ti2N. The figure shows dislocation recovery within a nano-crystalline grain embedded into the amorphous phase of the shot peened surface layer, as observed in situ. Three dislocations are marked by symbols. Stage (i): The isolated dislocation on the left hand side is relatively immobile. The two other dislocations are in a dipole configuration and propagate towards each other and are about to annihilate in stage (ii). Stage (iii) shows the situation after annihilation of the dipole dislocations; this is indicated by the continuous trace of the lattice planes. Observations made at room temperature with an acceleration voltage of 300 kV. It should be noted that the micrographs were sligthly compressed along the vertical direction in order to make the dislocations readily visible. The figure demonstrates the high electrical, thermal and mechanical stability of the instrument.

Courtesy of Fritz Appel

Taken by Tecnai microscope

Magnification: 800,000x
Sample: Ti-45Al-10Nb, shot peened in air, outermost peened layer
Voltage: 300 kV
Vacuum: 10-6
Horizontal Field Width: about 35 nm
Spot: 2

Guitar Chord

A rope of toy guitar.

Courtesy of Dr. Maria Carbajo , UNIVERSIDAD DE EXTREMADURA

Taken by Quanta SEM microscope

Magnification: 150x
Sample: A rope of toy guitar
Detector: SE
Voltage: 30 kV
Vacuum: 2x10e-3 Pa
Horizontal Field Width: 2 mm
Working Distance: 16.8 mm
Spot: 5.0

Skeleton Starfish mouth

Skeleton Starfish mouth

Courtesy of Mrs. Merce Moncusi Mercade , Universitat Rovira i Virgili

Taken by Quanta SEM microscope

Magnification: x24
Sample: skeleton
Detector: LFD

Biogenic Silica

Search for biogenic silica in ash and pumice; Pyrite filled diatoms and likely Foraminifera.

Courtesy of Circe Verba

Taken by Inspect microscope

Magnification: 1300x
Sample: ash
Detector: BSE
Voltage: 20 kV
Horizontal Field Width: 100 micron
Working Distance: 9.1
Spot: 5

Volcano eruption

During failure analysis of light emitting diode (LED), an awesome volcano-eruption-like image was captured. The vivid red lava is erupted from the powerful volcano.

Courtesy of En-Chiang Lin

Taken by Quanta 3D microscope

Magnification: 5000X
Horizontal Field Width: 80 um

Grouphug

100 nm Plasma-enhanced chemical vapor deposition (PECVD)oxide depostion upon untwanted microstructures. These unwanted microstructures appeared as a result of micro-masking during 1 um SiO2 dry etch.

Courtesy of Frans Holthuysen

Taken by Nova NanoSEM microscope

Magnification: 40.000x
Sample: Si
Detector: SE
Voltage: 7 kV
Horizontal Field Width: 6.0 µm
Working Distance: 5 mm
Spot: 3.2 nA

Leaf

Image of a leaf acquired and colorized by high school student Chiara Ferrari-Wong.

Courtesy of Mrs. Alyssa Waldron , Bergen County Technical Schools

Taken by Quanta SEM microscope

Diatome

Diatome

Courtesy of Gokhan ERDOGAN

Taken by Quanta SEM microscope

Magnification: 4888x
Sample: Diatome
Detector: ETD
Voltage: 3.0kV
Vacuum: 9.01e-6mbar
Horizontal Field Width: 60.93μm
Working Distance: 8.2mm
Spot: 2.5

Etching Pits in Alumina Layer

Etching pits and caves in an alumina layer.

Courtesy of Stefan Ostendorp

Taken by Nova NanoSEM microscope

Magnification: 8000
Detector: vCD
Voltage: 7kV
Vacuum: 0.0000180957mbar
Horizontal Field Width: 37 µm
Working Distance: 6,9 mm
Spot: 5 nA

Magnetic field of earth perturbed by a sun storm

The picture was taken after the growth by CVD of silicon nanowires on a copper foil with gold on top. When I saw it I remembered the perturbation caused by sun storms on magnetic field of the earth. These nanowires will be used to manufacture anodes of ion-Li batteries.

Courtesy of Isidoro Ignacio Poveda Barriga

Taken by SEM microscope

Magnification: 20,000x
Sample: Cu, Au, silicon nanowires
Detector: SE
Voltage: 10 kV
Working Distance: 5,2

Woven Daisy Basket

Image of a daisy petal taken in ESEM mode and false colored.

Courtesy of Craig Queenan

Taken by Quanta 3D microscope

Magnification: 1500x
Sample: Daisy Petal
Detector: GSED
Voltage: 30KV
Horizontal Field Width: 99.5μm
Working Distance: 18.3 mm
Spot: 3.0 nA

Crystal Ball

Zinc Oxide Crystals on carbon tape

Courtesy of Mrs. DUYGU OGUZ KILIC , Izmir Institute of Technology- Center for Materials Research

Taken by Quanta SEM microscope

Magnification: 50000x
Sample: Zinc Oxide
Detector: SE
Voltage: 5 kV
Vacuum: 2.5 e-4 Pa
Working Distance: 10.4mm
Spot: 3

Platinum Surface

Surface of a platinum aperture, imaged at 2kV with the DBS detector to reveal the grains with strong material contrast Product: Helios NanoLab DualBeam

Taken by Helios NanoLab microscope

Dandelions

Hybrid inorganic/polymer based photovoltaic nanodevices offer the promise of low cost large area conversion of solar energy to electricity. Nanostructures of zinc oxide have shown supreme capabilities in emerging technologies ranging from solar energy harvesting to biosensing. However, the ability to control the size and position of these nanostructures is crucial for fabricating nanodevices with remarkable properties and astonishing solar energy conversion efficiencies. Herein, we present a collection of scanning electron micrographs of zinc oxide nanostructures prepared by low temperature hydrothermal methods Image taken and Processed by Luisa Whittaker PhD.

Courtesy of Gerald Poirier

Taken by Quanta SEM microscope

Magnification: 25000x
Sample: ZnO nano wires
Detector: SE
Voltage: 15Kev
Vacuum: -5 torr
Working Distance: 10mm
Spot: 3

Opposing Fronts

Image of a felt marker tip; courtesy of student Maria Mendoza.

Courtesy of Alyssa Calabro

Taken by Quanta 3D microscope

Bacteria and EPC

1-micron bacteria and EPC from copper ore leaching process (SE image treated on Picasa)

Courtesy of Mr. Rogerio Kwitko , VALE

Taken by Inspect microscope

Magnification: 24000
Sample: copper ore leaching product
Detector: SE
Voltage: 5 kV
Vacuum: 7 e-4 Pa
Horizontal Field Width: 12 microns
Working Distance: 10.8
Spot: 3

3 Slice Surface 2 - VolumeScope

3 Slice Surface 2 - VolumeScope

Taken by Teneo VolumeScope microscope

Bimith Oxide Flower

The image is taken by Quanta 450 FEG. Image is of Bismith Oxide , for photo catalysis application.

Courtesy of Dr. Rehan Ahmad , King adbul aziz University

Taken by Quanta SEM microscope

Magnification: 60000
Sample: Bismith Oxide
Detector: ETD
Voltage: 30 KV
Working Distance: 9.0
Spot: 305

Metallic Nanowires

Anchored carbon nanotubes encapsulating Metallic nanowires

Courtesy of Giovanni Desiderio

Taken by Quanta SEM microscope

Magnification: 150000x
Sample: Carbon, Sn
Detector: ETD
Voltage: 15.0 kV
Vacuum: HV
Horizontal Field Width: 500.0nm
Working Distance: 9.2 mm
Spot: 3.0 nA

ZnO Nanoparticles

ZnO nanoparticles obtained by hydrothermal synthesis using microwave heating.

Courtesy of FRANCISCO RANGEL

Taken by Quanta SEM microscope

Magnification: 20000x
Sample: ZnO
Detector: LFD
Voltage: 20 kV
Vacuum: 80 Pa
Horizontal Field Width: 14.9 μm
Working Distance: 14.9 mm
Spot: 3.0 nA

Sugarcane

Sugarcane

Courtesy of Fernanda Santos

Taken by Inspect microscope

Magnification: 120x
Sample: Sugarcane
Detector: SE
Voltage: 15 kV
Working Distance: 43.5
Spot: 4.0

Electroplated Tin

Electroplated Tin Deposit

Courtesy of Lisa Gamza

Taken by Quanta 3D microscope

Magnification: 1000x
Detector: ETD
Voltage: 30 kV
Horizontal Field Width: 298 µm
Working Distance: 15.0 mm
Spot: 5.0 nA

Platinum Nanorods on Silicon

The image shows an array of freestanding Pt nanorods on silicon fabricated by electron beam induced deposition from the gas phase. The individual rods reveal a base diameter of about 80 nm and a hight of 1 µm. The wavy appearance was actually an artifact but too nice to be ignored. Image was post-colorized by Margit Wallner (FELMI).

Courtesy of Harald Plank

Taken by Nova NanoSEM microscope

Magnification: 50,000x
Detector: TLD
Voltage: 5 keV
Vacuum: 8x10^-6 mbar
Horizontal Field Width: 5.12 µm
Working Distance: 5.2 mm
Spot: 98 pA

Argos Software

Argos Software

Taken by Argos microscope

Crystalline rainbow

Crystals of dyes adsorbed on the surface of a biopolymer after a process of water purification. One of the most common and undesirable contaminants in the wastewater are the dyes. They are highly visible, stable and difficult to biodegrade. For removal of such contaminants are commonly used adsorption techniques.

Courtesy of Dr. Maria Carbajo , UNIVERSIDAD DE EXTREMADURA

Taken by Quanta SEM microscope

Magnification: 8000x
Sample: Crystals of dyes
Detector: SE
Voltage: 15 kV
Vacuum: 1e-4 Pa
Horizontal Field Width: 37 μm
Working Distance: 10.2 mm
Spot: 5.5

Electron Microscopy Solutions

We have updated the appearance of FEI.com with the Thermo Fisher Scientific brand. This transition is an exciting moment as we continue to advance our world-leading electron microscopy solutions.