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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
A rope of toy guitar.
Courtesy of Dr. Maria Carbajo , UNIVERSIDAD DE EXTREMADURA
Taken by Quanta SEM microscope
Skeleton Starfish mouth
Courtesy of Mrs. Merce Moncusi Mercade , Universitat Rovira i Virgili
Search for biogenic silica in ash and pumice; Pyrite filled diatoms and likely Foraminifera.
Courtesy of Circe Verba
Taken by Inspect microscope
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
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
Image of a leaf acquired and colorized by high school student Chiara Ferrari-Wong.
Courtesy of Mrs. Alyssa Waldron , Bergen County Technical Schools
Courtesy of Gokhan ERDOGAN
Etching pits and caves in an alumina layer.
Courtesy of Stefan Ostendorp
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
Image of a daisy petal taken in ESEM mode and false colored.
Courtesy of Craig Queenan
Zinc Oxide Crystals on carbon tape
Courtesy of Mrs. DUYGU OGUZ KILIC , Izmir Institute of Technology- Center for Materials Research
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
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
Image of a felt marker tip; courtesy of student Maria Mendoza.
Courtesy of Alyssa Calabro
1-micron bacteria and EPC from copper ore leaching process (SE image treated on Picasa)
Courtesy of Mr. Rogerio Kwitko , VALE
3 Slice Surface 2 - VolumeScope
Taken by Teneo VolumeScope microscope
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
Anchored carbon nanotubes encapsulating Metallic nanowires
Courtesy of Giovanni Desiderio
ZnO nanoparticles obtained by hydrothermal synthesis using microwave heating.
Courtesy of FRANCISCO RANGEL
Courtesy of Fernanda Santos
Electroplated Tin Deposit
Courtesy of Lisa Gamza
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 Argos microscope
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.
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