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Hydroxyapatite II

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: 4,500x
Sample: Hydroxyapatite
Detector: Mix: SE plus BSE
Voltage: 20 kV
Vacuum: 130 Pa
Horizontal Field Width: 66.3 μm
Working Distance: 15.4
Spot: 3.0

Christmas' Nematode

This is a nematode (Deep sea worm) covered by unknown cristals and aluminium oxides.

Courtesy of Mr. Nicolas GAYET , IFREMER

Taken by Quanta SEM microscope

Magnification: 2000
Detector: SE
Voltage: 5kV
Horizontal Field Width: 128µm
Working Distance: 8.8
Spot: 5.0

Foraminifera

Foraminifera are indicator species used for reconstruction of past environments. This sample was taken from Cancun sand beach.

Courtesy of Ivan Jimenez Boone

Taken by MLA microscope

Magnification: 300x
Sample: Cancun sand beach
Detector: BSE
Voltage: 25 kV
Vacuum: Hi Vac
Horizontal Field Width: 500 µm
Working Distance: 10
Spot: 7.5

Geomineral

the beginning crystal in geomineral

Courtesy of Claudia Montanari

Taken by Quanta SEM microscope

Magnification: 8,000x
Sample: geopolimer
Detector: se
Voltage: 30kv
Vacuum: 5mbar
Horizontal Field Width: 40.0 um
Working Distance: 11.0
Spot: 6.0

Honey comb

diatom

Courtesy of Mrs. Zehra Sinem YILMAZ , İzmir Institute of Technology Center for Materials Research

Taken by Quanta SEM microscope

Magnification: 12,500x
Sample: diatom
Detector: SE
Voltage: 5 kV
Vacuum: 3.06e-4 Pa
Horizontal Field Width: 33.2 μm
Working Distance: 8.9
Spot: 3.0

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

Hotbed for TEM

An in-house unltra-clean and ultra thin C grid made for customized TEM sample placement.

Courtesy of Mr. liang hong , WDC

Taken by Helios NanoLab microscope

Magnification: 1,500
Sample: C/Cu
Detector: External
Voltage: 3kv
Vacuum: high
Horizontal Field Width: 138um
Working Distance: 4mm
Spot: 2

Egg Hoverflies (Diptera Syrphidae)

A: Egg hoverflies (Diptera Syrphidae) (150x) B: The same egg after hatching (145x) C: Details of the surface(500x) D: Details of the surface(1,800x)

Courtesy of Riccardo Antonelli

Taken by Quanta SEM microscope

Magnification: 145x - 150x - 500x - 1,800x
Sample: Egg hoverflies on leaf plum
Detector: LFD (Low vacuum)
Voltage: 7.5 kV - 10.05 kV
Vacuum: 0.976 torr
Horizontal Field Width: 1.03mm - 995μm - 298μm - 82.9μm
Working Distance: 10.3mm - 11.3 mm - 10.2 mm - 6.1 mm
Spot: 5.0 - 4.0

J shaped nanostructures

J`s like nano structures made out of 130 nm gold thick adhered by 5nm Ti on the surface of 25x25 mm quartz substrate.

Courtesy of Mrs. Nadia Abdulrahman , Glasgow University

Taken by Nova NanoSEM microscope

Magnification: 79,079
Detector: Helix
Voltage: 30 kV
Vacuum: 3 mbar
Horizontal Field Width: 2.00 um
Working Distance: 5.2
Spot: 3.5

Crystal Dahlia

Hydrothermally synthesized microclusters of SrCuSi4O10 crystals. We are interesting in exploring the hydrothermal chemistry of the metal copper tetrasilicate system in order to better match the size and morphology of our NIR emitting crystals to application.

Courtesy of Dr. Eric Formo , UGA

Taken by VolumeScope microscope

Crystals of Indium Sulfide

The image shows different crystals of indium sulfide In2S3) with tetragonal structure and pyramidal shapes. Indium sulfide is a semiconductor used primarily as a buffer layer in copper-indium-diselenide (CIGS)thin film based solar cells, replacing toxic cadmium sulfide.

Courtesy of Eberhardt Josue Friedrich Kernahan

Taken by Quanta SEM microscope

Magnification: 2116x
Detector: SE
Voltage: 10
Horizontal Field Width: 20 μm
Working Distance: 6.5 mm
Spot: 3.0 nA

Onion Cells

In the picture you can see the cells of a layer onion. The image was taken in a scanning electron microscope at low pressure (ESEM mode), so that it was not necessary to perform a drying and coating of the sample prior to viewing.

Courtesy of Maria Carbajo

Taken by Quanta 3D microscope

Magnification: 650x
Sample: Onion
Detector: GSED
Voltage: 5.0 kV
Vacuum: 150 Pa
Horizontal Field Width: 229 μm
Working Distance: 7.9 mm
Spot: 5

Tomato Leaf

Surface of a tomato leaf

Courtesy of Ken Bart

Taken by Quanta SEM microscope

Magnification: 453x
Detector: LFD
Voltage: 20 kV
Vacuum: 0.98 torr
Horizontal Field Width: 568 μm
Working Distance: 13.6
Spot: 6

NiS surface

NiS presents many facets.

Courtesy of Anna Magraso

Taken by Quanta SEM microscope

Magnification: 3200
Detector: mix
Voltage: 15 kV
Vacuum: high vacuum
Working Distance: 10 mm
Spot: 3

Golden nanoblob

Gold nanoparticles on a SiN substrate molten together under the influence of the electronbeam, forming one 'large' blob of gold.

Courtesy of Mr. Marien Bremmer , Leiden Institute of Physics

Taken by Tecnai microscope

Magnification: 420,000
Sample: Au / SiN
Voltage: 200
Spot: 3.0

Still not the sample

aluminum sample holder

Courtesy of Paola Barbosa

Taken by Quanta SEM microscope

Magnification: 3000
Sample: aluminum
Detector: SE
Voltage: 20 kV
Horizontal Field Width: 99.5 µm
Working Distance: 42.2
Spot: 6

Red Cells With Nanoparticles

Mercury Chlorine nanoparticles are attached to human primary red cells

Courtesy of Antonietta Gatti

Taken by Quanta SEM microscope

Magnification: 30,000x
Sample: red cells
Detector: BSE
Voltage: 20.6 kV
Vacuum: 0.98 tor
Horizontal Field Width: 9.95 micron
Working Distance: 10
Spot: 3.6

Palladium encapsulated in silicon oxide nanotubes

SEM images of palladium encapsulated in silicon oxide nanotubes were taken in a high vacuum mode using a mixed signal from SE and BSE detectors.

Courtesy of Dr. Svetlana Neretina , Temple University

Taken by Quanta SEM microscope

Magnification: 20,000x
Sample: palladium, silicon oxide nanotubes
Detector: SE and BSE
Voltage: 30 kV
Vacuum: high vacuum
Horizontal Field Width: 10.4 um
Working Distance: 8.7 mm

Trabecular Rete of Human Oculus

The trabecular rete of human oculus consists of crossing collagen fibers with cells and extracellular matrix on the surface. Also on the surface of the trabeculae we can see round granules (not bacteria) of organic origin. The use of SEM in ophthalmologic microsurgery allows to evaluate the quality of surgical technique. These studies were conducted jointly with Lyubimova T.S. from Scientific Technical Complex “Microsurgery of oculus”.

Courtesy of Natalia Shevlyagina

Taken by Quanta SEM microscope

Magnification: 8,000x
Detector: ETD
Voltage: 5 kV
Vacuum: 1,55E-3 Pa
Horizontal Field Width: 37,3μm
Working Distance: 7,9 mm
Spot: 2,5 nA

In balance

This micrograph is taken from the surface of a grain of activated carbon made from nutshell. The object of study of this research is the use of biomass waste for energy purposes, as well as obtaining activated carbons and its possible application in adsorption processes.

Courtesy of Dr. Maria Carbajo , UNIVERSIDAD DE EXTREMADURA

Taken by Quanta SEM microscope

Magnification: 5000x
Sample: activated carbon
Detector: SE
Voltage: 5 kV
Vacuum: 5e-4 Pa
Working Distance: 10
Spot: 5

YMnO3 on Silicon Substrate

YMnO3 thin films deposited on silicon substrate at 800C.

Courtesy of IONELA ILIESCU

Taken by Quanta SEM microscope

Magnification: 50,000 x
Sample: YMnO3
Detector: SE
Voltage: 15 kV
Vacuum: HV
Working Distance: 10.9
Spot: 3.0

Amethyst.

In fact, it is iron oxide. Layer formed on the surface of a steel X70 during the corrosion test.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 5,000x
Sample: iron oxide.
Detector: Mix: SE plus BSE.
Voltage: 20 kV
Vacuum: 70 Pa
Horizontal Field Width: 59.7 µm
Working Distance: 14.9
Spot: 3.0

Silicon Star

Large-Angle Convervent Beam Electron Diffraction (LACBED) pattern of Si <111>

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

Taken by Tecnai microscope

Magnification: 970mm
Sample: Silicon
Detector: Eagle CCD camera
Voltage: 200 kV
Spot: 9

charcoal

charcoal

Courtesy of Dr. Aldona Nowicka , Maria Curie-Sklodowska University in Lublin

Taken by Quanta SEM microscope

Magnification: 1,200
Sample: charcoal
Detector: SE
Voltage: 20 kV
Vacuum: 1,33e-4 Pa
Horizontal Field Width: 124um
Working Distance: 10mm
Spot: 4,5

Cigarette Filter Fibers II

Cross-transverse view of a cigarette filter, showing cellulose acetate fibers. Ingestion or inhalation of fragments of cigarette filter fibers is a health problem for almost all smokers, but also contributes to the formation of lung cancer. Smoking is a trap. Quit now!

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 5000x
Sample: Cigarette filter fibers
Detector: MIX: SE plus BSE
Voltage: 20 kV
Vacuum: 110 Pa
Horizontal Field Width: 59.7 µ
Working Distance: 15.1
Spot: 3.0