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Nanopowders from spherical heteroparticles like "kernel cover – Institut monokristallov NAN Ukrainy (Institute for Single Crystals), GP | all.biz
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Nanopowders from spherical heteroparticles like "kernel cover

Nanopowders from spherical heteroparticles like "kernel cover

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Monodisperse nanopowders from spherical heteroparticles like "kernel cover"

Monodisperse nanopowders from spherical heteroparticles like "kernel cover" (dispersion by the sizes <10%)


Heteroparticles "kernel of SiO2/cover (Lu1-xEux) 2O3" (x = 0.07)


Diameter of a kernel of SiO2 (±7%): 200, 260, 330 nanometers.
Thickness of a crystal cover (±2 nanometers): 15, 30 and 45 nanometers.
Specific surface: 13-16 sq.m/g.
Crystal structure: a kernel - amorphous;
cover - cubic (and =10,4450 Å).
Quantity of the agglomerated particles: no more than 15%.
λmax Eu3+ X-ray luminescences: 611 nanometers.

Heteroparticles "kernel of SiO2/cover of Me", Me=Au, Pt, Pd


Diameter of a kernel of SiO2 (±7%): 40, 120, 350 nanometers.
Cover type:
- separate nanocrystals of Au, Pt, Pd with a controlled size from 1 to 7 nanometer and extent of filling of a surface of a kernel of 30-70%;
- continuous cover 10 nanometers thick.
Crystal structure: a kernel - amorphous;
cover - GTsK (and =4,070 Å, 3,920 Å, 3,870 Å for Au, Pt, Pd, respectively).
Quantity of the agglomerated particles: no more than 10%.

Heteroparticles SiO2/cover kernel from nanocrystals of semiconductors PbS, ZnO


Diameter of a kernel of SiO2 (± 7%): 40, 120, 220, 350 nanometers.
Cover type:
- separate nanocrystals of PbS with a controlled size from 2 to 6 nanometers and extent of filling of a surface of a kernel of 30-70%;
- an insular covering from ZnO Oil Company from 2 to 10 nanometers thick.
Crystal structure: a kernel - amorphous;
cover - PbS cubic (and =5,950 Å),
ZnO hexagonal (and =3,245, with =5,206).
Quantity of the agglomerated particles: no more than 10%.

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Nanopowders from spherical heteroparticles like "kernel cover
Nanopowders from spherical heteroparticles like "kernel cover
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