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SEM

TEM

DualBeam

FIB

Unexpected Beauty

It's a contamination of iron oxide involving the tungsten filament of an automotive light bulb.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 3963x
Sample: Iron Oxide.
Detector: Mix: SE plus BSE.
Voltage: 20 kV
Vacuum: 9.27e-7 mbar
Horizontal Field Width: 75.3 μm
Working Distance: 10.8
Spot: 2.0

ZnO microparticles.

ZnO microparticles obtained by hydrothermal synthesis using microwave heating.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 33,000x
Sample: Zinc oxide.
Detector: MIX: SE plus BSE
Voltage: 30 kV
Horizontal Field Width: 9.04 μm
Working Distance: 9.8
Spot: 1.5

Leaf Trichomes

Image of lotus leaf trichomes, which are important for water repellence on the leaf.

Courtesy of Craig Queenan

Taken by Quanta 3D microscope

Magnification: 1500x
Detector: ETD
Voltage: 30 kV
Vacuum: 10^-6 Torr
Horizontal Field Width: 20um
Working Distance: 10 mm
Spot: 3.0 nA

Frozen polymer

Aqueous polymeric film dried under vacuum environment.

Courtesy of Dr. Erico Teixeira Neto , LME-CNPEM

Taken by Inspect microscope

Kaptalpa Nano trees

Nano Wires

Courtesy of Frans Holthuysen

Taken by Nova NanoSEM microscope

Magnification: 50.000x
Sample: Si and gold
Detector: SE
Voltage: 7.00 Kv
Horizontal Field Width: 6.00 µm
Working Distance: 5.1 mm
Spot: 3.2

Nanosails

A ZnO nanostructure produced by chemical vapor deposition.

Courtesy of Dr. Joern Leuthold , Institute of Materials Physics, WWU Muenster

Taken by Nova NanoSEM microscope

Magnification: 5000x
Detector: SE
Voltage: 3 kV
Vacuum: 3e-6 mbar
Horizontal Field Width: 60 µm
Working Distance: 5.3 mm
Spot: 3

Unwanted Guests

Parasites (pink) located in water fowl sperm duct.

Courtesy of Ms. Pat Kysar , University of California, Davis

Taken by SEM microscope

Magnification: 350x
Sample: Parasite in Fowl Sperm Duct
Detector: SE
Voltage: 20kV
Horizontal Field Width: 350um
Working Distance: 8.9

Anthrax Bacteria - Bacillus anthracis

Bacillus anthracis, a bacteria used as biological weapon: ANTHRAX. Anthrax is an acute disease in humans and animals caused by the bacterium Bacillus anthracis, which is highly lethal in some forms. Magnification 8000:1

Courtesy of Oliver Meckes

Taken by Quanta SEM microscope

Magnification: 8000x
Sample: Bacteria
Detector: SE, BSE, BSE
Voltage: 7kv
Working Distance: app. 9 mm
Spot: 3

Human Tooth

Dentinal tubules viewed after demineralization using etching with 37% phosphoric acid for 15 seconds and 10% sodium hypochlorite for 1 minute.

Courtesy of FRANCISCO RANGEL

Taken by Quanta SEM microscope

Magnification: 8579x
Detector: MIX: SE (channel 1) and BSE (channel 2)
Voltage: 10 kV
Vacuum: 9.4 e-7 mbar
Horizontal Field Width: 29.8 μm
Working Distance: 11.0
Spot: 3.0 nA

fiber heart

Image of fabric layer of a wound dressing, which comprises of different polymers. Image was taken for characterisation purposes.

Courtesy of Ms. Angela Harrison , smith and nephew

Taken by Inspect microscope

Magnification: 482x
Sample: viscose and polyester fibers
Detector: LFD
Voltage: 10kv
Vacuum: 50mbar
Horizontal Field Width: 500um
Working Distance: 11.2
Spot: 3.5

Asterias Sea Star Sperms

Two sperms cells of Asterias at Scanning Electron Microscopy.

Courtesy of Mariangela Gentile

Taken by Quanta SEM microscope

Silver minerals

Argentite crystals on a matrix of native silver

Courtesy of Mr. Ivan Jimenez Boone , Peñoles

Taken by MLA microscope

Magnification: 500x
Sample: Feed
Detector: SE
Voltage: 25kV
Working Distance: 10.0
Spot: 7.3

Nanoflowers II.

ZnO nanoparticles obtained by hydrothermal synthesis using microwave heating.

Courtesy of FRANCISCO RANGEL

Taken by Quanta SEM microscope

Magnification: 15000x
Sample: ZnO.
Detector: Mix: SE plus BSE
Voltage: 20 kV
Vacuum: 80 Pa
Horizontal Field Width: 19.9 μm
Working Distance: 10.0
Spot: 3.0

Pelican nest

Zinc oxide

Courtesy of Laura Schlimgen

Taken by XL SEM microscope

Magnification: 315
Detector: BSE
Voltage: 25
Working Distance: 11.5
Spot: 6.4

Hydroxyapatite

Hydroxyapatite is a form of calcium phosphate that has a large number of applications such as bone implants, and drug delivery systems. For each application, the use of calcium based materials is optimized by specifying their geometry, dimension, density, pore size, mechanical strength, purity, and chemical phase.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 3,000x
Sample: Hydroxyapatite
Detector: Mix: SE plus BSE.
Voltage: 20 kV
Vacuum: 130 Pa
Horizontal Field Width: 99.5 μm
Working Distance: 16.6
Spot: 4.0

Earthquake of CaSO4

Bi-hydrate calcium sulphate cooked to a temperature of 130 ° C and 200 ° C. The remaining water is removed to obtain anhydrous calcium sulphate (CaSO4)

Courtesy of Marco Casinelli

Taken by Quanta SEM microscope

Magnification: 300x
Sample: CaSO4 crystals
Detector: SSD
Voltage: 25 kV
Vacuum: 0.3 mbar
Horizontal Field Width: 900 μm
Working Distance: 53 mm
Spot: 4.5

Sugarcane

Sugarcane

Courtesy of Fernanda Santos

Taken by Inspect microscope

Magnification: 4,000x
Sample: Sugarcane
Detector: SE
Voltage: 15 kV
Working Distance: 43.6
Spot: 4.0

Tin Balls

Image of tin balls, which are used to calibrate scanning electron microscopes (SEMs). The image was taken at a tilt of 57 degrees.

Courtesy of Mr. Daniel Oldfield , RMIT University

Taken by Verios XHR SEM microscope

Magnification: 2500X
Sample: Tin balls
Detector: SE
Voltage: 10kV
Horizontal Field Width: 170um
Working Distance: 4.0
Spot: 6.3pA

Bacterial buffet

The false-colored secondary electron micrograph shows a mouse macrophage feasting on silicified bacteria. At the University of New Mexico in the Department of Chemical and Biological Engineering, Rita Serda, Jimin Guo, Jacob Agola and Jeffrey Brinker are creating vaccines using silicified microbes and cancer cell replicas.

Courtesy of Dr. Rita Serda , University of New Mexico

Taken by Quanta 3D microscope

Magnification: 50,000x
Sample: mouse cell
Detector: SE
Voltage: 30 kV
Horizontal Field Width: 6 um
Working Distance: 9.7
Spot: 4.0

Summer Sherbet

Image of tree bark; courtesy of student Allyson Young.

Courtesy of Allyson Young (submitted by Alyssa Calabro) , Bergen County Technical Schools

Taken by Quanta 3D microscope

Kaolinite

Very small idiomorphic kaolinite crystals on spheroidal quartz particles

Courtesy of Frank Friedrich

Taken by Quanta SEM microscope

Magnification: 19,000x
Detector: GSE
Voltage: 15 kV
Vacuum: 0,9 Torr
Horizontal Field Width: 6 µm
Working Distance: 9.5 mm
Spot: 3.0 nA

Cous Cous structure

Structure of cooked cous cous. Grain on right hand side.

Courtesy of Dr. jim buckman , Heriot-Watt University

Taken by Quanta SEM microscope

Magnification: x 600
Sample: Cous Cous
Detector: BSED
Voltage: 20
Vacuum: 0.82 Torr
Horizontal Field Width: 245 microns
Working Distance: 9.9 mm
Spot: 3.5

Micropillar with Pt Bridges

A micropillar is provided with lateral contacts in order to generate an in-plane electrical field inside the cavity. The contacts are formed by focused ion beam induced deposition of platinum between a gold layer and the micropillar. The image was colorized (Pt: blue, Au: yellow, micropillar: red).

Courtesy of Johannes Beetz

Taken by Helios NanoLab microscope

Magnification: 5000x
Sample: GaAs
Detector: SE
Voltage: 3 kV
Working Distance: 4.2 mm

Nanowires on SI Substrate

Nanowires on Si substrate

Courtesy of John Turner

Taken by DualBeam microscope

Magnification: 15 kX
Detector: TLD-S
Voltage: 5 kV
Vacuum: 3.5e-5 mbar
Horizontal Field Width: ~ 14µm
Working Distance: 5 mm
Spot: 3 nA

Mechanical Pencil Lead.

The image shows details of the fracture surface of lead automatic pencil.

Courtesy of Francisco Rangel

Taken by Quanta SEM microscope

Magnification: 1300x
Sample: Lead automatic pencil
Detector: Mix: SE + BSE
Voltage: 30 kV
Horizontal Field Width: 230 μm
Working Distance: 14.1
Spot: 3.0