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So beutifull, like this 360° video

4 weeks ago
smart-elements

Our new Nickel acrylic cube containing 6 high pure & shiny nickel rods. ... See MoreSee Less

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looks great πŸ˜€

4 weeks ago
smart-elements

A 25mm big Osmium metal cube with 350 grams! ... See MoreSee Less

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350 grams of Osmium, insane πŸ˜€

πŸ’ΈπŸ’ΈπŸ’Έ

1 month ago
smart-elements

I just finished the assembly of the Bluetooth LE adapter and the programming of the android app to control my Ricor K535 cryo pumps. I always needed a way to avoid cables and bulky control software. Just need my smartphone to control, switch and monitor the cryogenic pump.
The App currently consists of 3 screens: Connection, Control, Settings.
... See MoreSee Less

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These Bluetooth adapters can be used with all RS232 / RS485 controlled devices. Just need to write an app. Next project is more complicated and needs a microcontroller as receiver: Control 2 solenoid vacuum valves and two vacuum gauges to automatically flush and fill noble gas tubes with the correct amount of gas and pressure just by pressing a button on my mobile phoneπŸ˜€

1 month ago
smart-elements

Solid Mirror polished 50mm Titanium spheres now available with 30% discount.
www.smart-elements.com/.../big-titanium-metal.../
Use the discount Code FB072022

#TitaniumBalls #metalspheres #steelball #elementcollection #periodictable #minerals #chemistry
... See MoreSee Less

Solid Mirror polished 50mm Titanium spheres now available with 30% discount.
 https://www.smart-elements.com/.../big-titanium-metal.../
Use the discount Code FB072022

#titaniumballs #metalspheres #steelball #elementcollection #periodictable #minerals #chemistry
2 months ago
smart-elements

Tin(IV) iodide - 1000 mg crystals.
Large crystals of SnI4 grown in toluene

#chemistry #inorganicchemistry #iodine #crystals #minerals #crystalgrowth
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Tin(IV) iodide - 1000 mg crystals.
Large crystals of SnI4 grown in toluene

#chemistry #inorganicchemistry #iodine #crystals #minerals #crystalgrowth
3 months ago
smart-elements

Rhenium doped phosphate glass!

For the first time and after many unsuccessful attempts I was able to incorporate a small amount of Rhenium (~ 0.6 - 1 mol%) into an aluminum barium phosphate glass without immediate reduction to black Re.
On the right you see the colorless and transparent glass with fully dissolved Re in the +7 state. On the left there is the same glass where Re formed nano clusters after slow cooling under slight reducing conditions.

The picture below shows the pale yellow luminescence of the colorless glass under 257nm UV irradiation.
... See MoreSee Less

Rhenium doped phosphate glass!

For the first time and after many unsuccessful attempts I was able to incorporate a small amount of Rhenium (~ 0.6 - 1 mol%)  into an aluminum barium phosphate glass without immediate reduction to black Re.
On the right you see the colorless and transparent glass with fully dissolved Re in the +7 state. On the left there is the same glass where Re formed nano clusters after slow cooling under slight reducing conditions. 

The picture below shows the pale yellow  luminescence of the colorless glass under 257nm UV irradiation.Image attachment

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Very impressive! Is Rhenium known for fluorescence in glassy materials?

4 months ago
smart-elements

Erbium doped Silicon Zinc Bismuthate glass
Diameter about 10mm – weight 2 – 2.5 grams – Bi2O3 54 mol%
Er2O3: 1mol%
... See MoreSee Less

Erbium doped Silicon Zinc Bismuthate glass
Diameter about 10mm – weight 2 – 2.5 grams – Bi2O3 54 mol%
Er2O3: 1mol%
4 months ago
smart-elements

Very exotic: Erbium doped Barium Sodium Magnesium Bismuthate glass.

This glass consists almost entirely of Bi2O3 containing no other glass former. This is my first stable and reproducible bismuthate glass.
The very aggressive glass melt even attacks a Platinum crucible!
The 1 mol% Erbium oxide makes it suitable for infrared optics.
Its a very high density glass. The smallest bead in the picture weighs exactly 2 grams!
... See MoreSee Less

Very exotic: Erbium doped Barium Sodium Magnesium Bismuthate glass.

This glass consists almost entirely of Bi2O3 containing no other glass former. This is my first stable and reproducible bismuthate glass.
The very aggressive glass melt even attacks a Platinum crucible!
The 1 mol% Erbium oxide makes it suitable for infrared optics.
Its a very high density glass. The smallest bead in the picture weighs exactly 2 grams!
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