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SEM

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Silica Microsphere and Polymer Impact

A silica microsphere (3.7um dia.) impacts a polymer composite comprising 20nm thick hard and soft layers. Initially the layers were aligned in the vertical direction and deformed by the 1.1km/s speed impact.

Courtesy of Jae-Hwang Lee

Taken by Helios NanoLab microscope

Magnification: 17,500x
Sample: Self-assembled block copolymer (PS-b-PDMS)
Detector: SE TLD
Voltage: 2kV
Horizontal Field Width: 7.31 um
Working Distance: 4.1 mm

QUASICRYSTAL pentagonal dodecahedron

pentagonal dodecahedron IN ALLOY Al-Fe-Cu

Courtesy of FRANC ZUPANIC

Taken by Quanta SEM microscope

Magnification: 3500
Sample: alloy Al-Fe-Cu
Detector: ETD
Voltage: 15 kV
Working Distance: 14,8

Polymer Nanotubers

Conducting polymer nanostructures of a thiophene derivative deposited from the vapor phase. This image shows nanotubers covering a freestanding film of a highly conductive and redox active synthetic metal for energy storage applications.

Courtesy of Julio D'Arcy

Taken by Nova NanoSEM microscope

Crystal Balls

Calcium sulphate crystals on filter paper. Material provided by Nalco Champion recovered from a produced water sampled from a North Sea production well under seawater flooding.

Courtesy of Dr. Jim Buckman , Heriot-Watt University

Taken by Quanta SEM microscope

Magnification: 1500
Sample: Calcium sulphate
Detector: BSED (Quad detector)
Voltage: 20 kV
Vacuum: 0.45 Torr
Horizontal Field Width: 138 microns
Working Distance: 10.7
Spot: 4.0

Torilis Arensis

Torilis arvensis is commonly known as Spreading Hedge Parsley. The plants grow up to 3 feet in height with tiny flowers clustered in small flat-topped umbels. T. arvensis fruit (schizocarp) measure 4-6mm and usually hold 2-4 individual seeds (mericarps). The schizocarp is covered with velco-like appendages which attach to clothing and fur allowing them to hitch a ride to new terrain.  This sample was air dried, mounted onto an aluminum stub and sputter coated with gold.  It was viewed on a Philips XL30 TMP SEM at 20 kV in the EM Lab of the Department of Pathology and Laboratory Medicine at UCDavis. The image was colorized using Adobe PhotoShop Elements 2.0 software. The image shows one of the seeds within the schizocarp and affords a better appreciation for their cunning hitch-hiking techniques. Note the various velco-like appendages. The more "thorny" limbs (tan) are found on the schizocarp while the blunt appendages are part of the mericarp. Pollen (yellow) can be seen on the flower surfaces (pink).

Courtesy of Pat Kysar

Taken by SEM microscope

Magnification: 400x
Sample: Torilis Arensis
Detector: SE
Working Distance: 30
Spot: 3

Si dumbbell

HRTEM image of Si dubbells performed in the TecnaiST20 (LaB6)

Courtesy of Mr. Erico Freitas , Centro de Microscopia/Universidade Federal de Minas Gerais

Taken by Tecnai microscope

Magnification: 1,050,000x
Sample: Silicon
Detector: Eagle CCD camera
Voltage: 200 kV
Spot: 1

FEBID-Tower

Free-standing platinum-carbon FEBID-structure with central pillar

Courtesy of Mr. Robert Winkler , Graz, centre for electron microscopy

Taken by DualBeam microscope

Sample: FEBID
Detector: TLD
Voltage: 5 kV
Horizontal Field Width: 3.00µm
Working Distance: 5.0 mm

Three-chip stack PFIB section and image

PFIB section and image through three-chip stack exposing interconnecting TSV.

Courtesy of Fraunhofer-EMFT, Munich

Taken by Vion Plasma microscope

Bone in a Bullet

Bone remains attached in a bullet found at a Crime Scene. The bone was in the area of greatest deformation of the Lead projectile.

Courtesy of Mr. Francisco Torres , Policía de Investigaciones de Chile

Taken by Quanta 3D microscope

Sample: Bone and bullet
Detector: LFD
Voltage: 20 kV
Vacuum: 80 Pa
Horizontal Field Width: 2.42 mm
Working Distance: 14.7
Spot: 5

Laocoon

It is quite strange zirconium diboride neoformation, snake-like in shape, due to impregnation of organic porous templant. Effects of crystal growth are visible as topographic altitude curves on surfaces

Courtesy of Dr. Mauro Mazzocchi , Italian National Council of Research

Taken by Quanta SEM microscope

Magnification: 4,000x
Sample: Zirconium diboride
Detector: SE
Voltage: 8kV
Vacuum: -
Working Distance: 9.0
Spot: 2.5

Twilight

A particle found in the minerals processing cycle of platinum ores.

Courtesy of Musarrat Safi

Taken by MLA microscope

Magnification: 2048
Sample: PGM ore
Detector: SE
Voltage: 25 kV
Vacuum: 2.37 e-3pa
Horizontal Field Width: ~150 microns
Working Distance: 12.8 mm
Spot: 5.9

Lily Papillae

Fine papillae on lily petal.

Courtesy of Dr. Guichuan Hou , Appalachian State University

Taken by Quanta SEM microscope

Magnification: 250x
Sample: Plant
Detector: SE
Voltage: 25kV
Working Distance: 9.1
Spot: 5

Hydrothermal Worm

Hydrothermal Worm marine organism imaged on a Quanta SEM

Courtesy of Philippe Crassous

Taken by Quanta SEM microscope

Magnification: 525x
Detector: SE
Voltage: 10 kV
Vacuum: 10-4 mbar
Horizontal Field Width: 568μm
Working Distance: 10 mm
Spot: 3 nA

G4 PFIB TEM 230kx

G4 PFIB TEM 230kx

Taken by Helios G4 PFIB microscope

Stomata

Fresh/unfixed leaf of Mint.

Courtesy of David McCarthy

Taken by Quanta SEM microscope

Magnification: 800x
Sample: Leaf of Mint - undeside.
Detector: LFD
Voltage: 2.0 kV
Vacuum: 79Pa
Horizontal Field Width: 320um
Working Distance: 6.1mm
Spot: 3.5 nA

Lizard's head

Lizard's head

Courtesy of Dr. Rita Marimon , Universitat Rovira i Virgili

Taken by Quanta SEM microscope

PVP nanofibers

PVP nanofibers prepared by electrospinning

Courtesy of Dr. Wei Luo , Oregon state university

Taken by Quanta SEM microscope

Magnification: 20,000X
Sample: PVP
Detector: SE
Voltage: 10 kV
Vacuum: .3mbar
Horizontal Field Width: 14.9μm
Working Distance: 4.7 mm
Spot: 3.0

Composite of nanostructured hydroxyapatite and polymer

Microparticles formed by nanostructured hydroxyapatite crystals and biopolymers. Hydroxiapatite (HA) is one of the most biocompatible ceramics because it is similar to the mineral constituents of human bone and teeth. This composite are interesting biomaterial for medical applications, especially for bone replacement. The colors were obtained using the software FEI Company

Courtesy of Mr. Izamir Resende , Instituto Nacional de Tecnologia

Taken by Quanta SEM microscope

Magnification: 50,000X
Detector: SE
Voltage: 20 kV
Vacuum: 0,0000325 mbar
Horizontal Field Width: 5,97µm
Working Distance: 9.0 mm
Spot: 2.0

Cyanobacteria - Nodularia

This cyanobacterium (Nodularia sp.) shows symbiotic bacteria (bacilli) intimately associated to the mucilage cover (extracellular polymeric substances) that serves as their food substrate. This cyanobacterium cannot be isolated without its symbiont.

Courtesy of Dr. Hugo Beraldi , Instituto de Geologia, UNAM

Taken by Nova NanoSEM microscope

Magnification: 15000x
Sample: dehydrated cultured cells
Detector: SE
Voltage: 10 kV
Vacuum: 0.6 mbar
Horizontal Field Width: 22 um
Working Distance: 15mm
Spot: 3

Bacterial Snake

The fish pathogen Photobacterium damselae subsp. piscicida showing an abnormal elongated form wich resembles a snake

Courtesy of Mrs. Ana Franco , IDIVAL

Taken by Inspect microscope

Magnification: 9,000x
Sample: gold
Detector: ETD
Voltage: 25kV
Vacuum: 3mbar
Horizontal Field Width: 33.2
Working Distance: 8.9mm
Spot: 3.0

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

Blue Cave

The image represents a fracture into a leaf from a decorative plant. It was made using the GSED detector, in SE mode, at a 10kV, spot 4.

Courtesy of Dr. Berbecaru Andrei , UPB-ECOMET

Taken by Quanta SEM microscope

Magnification: 2,500x
Sample: Leaf
Detector: GSED - SE
Voltage: 10kV
Horizontal Field Width: 166
Working Distance: 5.1
Spot: 4.0

Automotive light bulb filament

Tungsten filament of a light bulb automotive unused.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Sample: Tungsten filament
Detector: ETD
Voltage: 10 kV
Horizontal Field Width: 1710 μm
Working Distance: 42.9
Spot: 3.2

Atlantic Spiny Dogfish Skin

Squalus acanthias skin surface.

Courtesy of Daniel Boyle

Taken by Nova NanoSEM microscope

Magnification: 800x
Sample: Dogfish skin surface
Detector: vCD
Voltage: 5kV/1kV landing energy
Vacuum: 2.44E-5
Horizontal Field Width: 373um
Working Distance: 4.9
Spot: 3.0

Cigarette Filter

Cross-transverse view of a cigarette filter, showing cellulose acetate fibers.Research conducted by Laboratório de Tabaco e Derivados (LATAB)/Divisão de Química Analítica(DQAN)/ INSTITUTO NACIONAL DE TECNOLOGIA (INT). Smoking is a trap. Quit now!

Courtesy of Francisco Rangel

Taken by Quanta SEM microscope

Magnification: 1000X
Sample: cellulose acetate fibers
Detector: Mix: SE + BSE
Voltage: 10 kV
Vacuum: 131 Pa
Horizontal Field Width: 298 μm
Working Distance: 15
Spot: 4.5