Tin - Revision history

Apm: /* Misc */

2021-07-08T11:09:18Z

Misc

← Older revision		Revision as of 13:09, 8 July 2021
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	Of course going for solid non oxidized metals gives far higher densities. <br>		Of course going for solid non oxidized metals gives far higher densities. <br>
	Mechanosynthesis just need to take into account then, that some geometries (e.g. single metal atoms on flat metal surfaces) show extreme diffusion rates and speeds at room temperature or even lower. Thus these geometries need to be either avoided or mechanosynthesized at very low temperatures and then permanently sealed by a covalent sell that does FAPP not diffusion at room temperature.		Mechanosynthesis just need to take into account then, that some geometries (e.g. single metal atoms on flat metal surfaces) show extreme diffusion rates and speeds at room temperature or even lower. Thus these geometries need to be either avoided or mechanosynthesized at very low temperatures and then permanently sealed by a covalent sell that does [[FAPP]] not diffusion at room temperature.

	== Related ==		== Related ==

Apm: /* Related */

2021-06-13T20:10:23Z

← Older revision		Revision as of 22:10, 13 June 2021
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	* Other members of the group: [[Lead]], '''Tin''', [[Germanium]], [[Silicon]], [[Carbon]]		* Other members of the group: [[Lead]], '''Tin''', [[Germanium]], [[Silicon]], [[Carbon]]
			* [[Chemical element]]

			[[Category:Chemical element]]

	== External Links ==		== External Links ==

Apm: added link to page thermal stability

2021-06-11T18:11:08Z

added link to page thermal stability

← Older revision		Revision as of 20:11, 11 June 2021
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	Since α-tin has strong covalent character it is a good target for direct mechanosynthesis.		Since α-tin has strong covalent character it is a good target for direct mechanosynthesis.
	[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.		[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.
	The production path through mechanosynthesis would probably not change much on its low thermal stability though.		The production path through mechanosynthesis would probably not change much about its low [[thermal stability]] though.
	Note that long before the material melts unwanted diffusion may kick in that destroys carefully arranged atomically precise structures. <small>(Side-note: mechanosynthesized chunks lacking vacations and featuring perfeclty flat surfaces may be pretty resillient to diffusion)</small>		Note that long before the material melts unwanted diffusion may kick in that destroys carefully arranged atomically precise structures. <small>(Side-note: mechanosynthesized chunks lacking vacations and featuring perfeclty flat surfaces may be pretty resillient to diffusion)</small>

	== Stabilizing the more diamondoid and exotic α-Tin ==		== Stabilizing the more diamondoid and exotic α-Tin ==

	To increase thermal stability some of the tin atoms in the lattice could be replaced by		To increase [[thermal stability]] some of the tin atoms in the lattice could be replaced by
	elements that are located above tin in the periodic table in a systematic checkerboard pattern.		elements that are located above tin in the periodic table in a systematic checkerboard pattern.

Apm: /* Misc */

2021-04-14T10:21:05Z

Misc

← Older revision		Revision as of 12:21, 14 April 2021
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	== Misc ==		== Misc ==

	* [https://en.wikipedia.org/wiki/Cassiterite Cassierite] SnO<sub>2</sub> (Mohs 6-7; ~7.1g/ccm; tetragonal; rutile structure)		* [https://en.wikipedia.org/wiki/Cassiterite Cassierite] SnO<sub>2</sub> (Mohs 6-7; ~7.1g/ccm; tetragonal; [[rutile structure]])
	* [https://en.wikipedia.org/wiki/Plattnerite Plattnerite] PbO<sub>2</sub> (Mohs 5.5; ~9.63g/ccm; tetragonal; rutile structure)		* [https://en.wikipedia.org/wiki/Plattnerite Plattnerite] PbO<sub>2</sub> (Mohs 5.5; ~9.63g/ccm; tetragonal; [[rutile structure]])
	Cassierite has a quite high density. <br>		Cassierite has a quite high density. <br>
	It's not quite as high as plattnerite but when the tin slowly leaches out into the biosphere its a non issue unlike with the lead.		It's not quite as high as plattnerite but when the tin slowly leaches out into the biosphere its a non issue unlike with the lead.

Apm: /* Related */ cleaned up links to other members of the group

2020-06-21T16:28:02Z

Related: cleaned up links to other members of the group

← Older revision		Revision as of 18:28, 21 June 2020
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	== Related ==		== Related ==

	* [[~~Silicon~~]]		* Other members of the group: [[Lead]], '''Tin''', [[Germanium]], [[Silicon]], [[Carbon]]
	* [[Germanium]]
	* [[~~Lead~~]]

	== External Links ==		== External Links ==

Apm: added one excessive newline

2020-06-21T14:03:23Z

added one excessive newline

← Older revision		Revision as of 16:03, 21 June 2020
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	Of course going for solid non oxidized metals gives far higher densities. <br>		Of course going for solid non oxidized metals gives far higher densities. <br>
	Mechanosynthesis just need to take into account then, that some geometries (e.g. single metal atoms on flat metal surfaces) show extreme diffusion rates and speeds at room temperature or even lower. Thus these geometries need to be either avoided or mechanosynthesized at very low temperatures and then permanently sealed by a covalent sell that does FAPP not diffusion at room temperature.		Mechanosynthesis just need to take into account then, that some geometries (e.g. single metal atoms on flat metal surfaces) show extreme diffusion rates and speeds at room temperature or even lower. Thus these geometries need to be either avoided or mechanosynthesized at very low temperatures and then permanently sealed by a covalent sell that does FAPP not diffusion at room temperature.


	== Related ==		== Related ==

Apm: added note on density and toxicity - non oxidized pure metals and diffusion

2020-06-21T14:02:58Z

added note on density and toxicity - non oxidized pure metals and diffusion

← Older revision		Revision as of 16:02, 21 June 2020
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	Mechanosynthesis may even allow to coax the element below tin which is lead into a diamond lattice with covalent character by combining it with carbon. This compound (PbC) is to current knowledge (2017) not thermodynamically accessible but when mechanosynthesized it may be stable enough to not blow up in your face on the slightest disturbance.		Mechanosynthesis may even allow to coax the element below tin which is lead into a diamond lattice with covalent character by combining it with carbon. This compound (PbC) is to current knowledge (2017) not thermodynamically accessible but when mechanosynthesized it may be stable enough to not blow up in your face on the slightest disturbance.

			== Misc ==

			* [https://en.wikipedia.org/wiki/Cassiterite Cassierite] SnO<sub>2</sub> (Mohs 6-7; ~7.1g/ccm; tetragonal; rutile structure)
			* [https://en.wikipedia.org/wiki/Plattnerite Plattnerite] PbO<sub>2</sub> (Mohs 5.5; ~9.63g/ccm; tetragonal; rutile structure)
			Cassierite has a quite high density. <br>
			It's not quite as high as plattnerite but when the tin slowly leaches out into the biosphere its a non issue unlike with the lead.

			Of course going for solid non oxidized metals gives far higher densities. <br>
			Mechanosynthesis just need to take into account then, that some geometries (e.g. single metal atoms on flat metal surfaces) show extreme diffusion rates and speeds at room temperature or even lower. Thus these geometries need to be either avoided or mechanosynthesized at very low temperatures and then permanently sealed by a covalent sell that does FAPP not diffusion at room temperature.


			== Related ==

			* [[Silicon]]
			* [[Germanium]]
			* [[Lead]]

	== External Links ==		== External Links ==

Apm: /* Stabilizing the more diamondoid and exotic α-Tin */ removed old text-fragment with unknown purpose

2018-07-23T16:33:45Z

Stabilizing the more diamondoid and exotic α-Tin: removed old text-fragment with unknown purpose

← Older revision		Revision as of 18:33, 23 July 2018
Line 20:		Line 20:
	To increase thermal stability some of the tin atoms in the lattice could be replaced by		To increase thermal stability some of the tin atoms in the lattice could be replaced by
	elements that are located above tin in the periodic table in a systematic checkerboard pattern.		elements that are located above tin in the periodic table in a systematic checkerboard pattern.
	~~With that one also reduce~~

	Germanium is to rare for large scale construction materials. (SnGe)		Germanium is to rare for large scale construction materials. (SnGe)

Apm: added side note on diffusion resilliency

2018-07-23T16:31:52Z

added side note on diffusion resilliency

← Older revision		Revision as of 18:31, 23 July 2018
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	[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.		[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.
	The production path through mechanosynthesis would probably not change much on its low thermal stability though.		The production path through mechanosynthesis would probably not change much on its low thermal stability though.
	Note that long before the material melts unwanted diffusion ~~kicks~~ in that destroys carefully arranged atomically precise structures.		Note that long before the material melts unwanted diffusion may kick in that destroys carefully arranged atomically precise structures. <small>(Side-note: mechanosynthesized chunks lacking vacations and featuring perfeclty flat surfaces may be pretty resillient to diffusion)</small>

	== Stabilizing the more diamondoid and exotic α-Tin ==		== Stabilizing the more diamondoid and exotic α-Tin ==

Apm: relativated a bit - metastable configurations can have slightly better thermal stability - know this from working with crystallized PET plastic

2018-07-23T16:27:44Z

relativated a bit - metastable configurations can have slightly better thermal stability - know this from working with crystallized PET plastic

← Older revision		Revision as of 18:27, 23 July 2018
Line 13:		Line 13:
	Since α-tin has strong covalent character it is a good target for direct mechanosynthesis.		Since α-tin has strong covalent character it is a good target for direct mechanosynthesis.
	[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.		[[mechanosynthesis\|Mechanosynthesized]] α-tin would not be a fine powder but likely a stronger material akin to germanium.
	The production path through mechanosynthesis would not change ~~anything~~ on its low thermal stability though.		The production path through mechanosynthesis would probably not change much on its low thermal stability though.
	Note that long before the material melts unwanted diffusion kicks in that destroys carefully arranged atomically precise structures.		Note that long before the material melts unwanted diffusion kicks in that destroys carefully arranged atomically precise structures.