Talk:Strontium titanate

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Centrosymmetric ferroelectric?

How can a material be simultaneously ferroelectric and centrosymmetric. Those are mutually exclusive. The intro text should probably be reworded. Polaron | Talk 03:17, 1 July 2006 (UTC)[reply]

Quantum paraelectric

SrTiO3 is known as a quantum paraelectric which remains in a paraelectric state even at 0K due to the suppression of ferroelectric instability by quantum fluctuation. [1] STO has a latent ferroelectricity. Weak perturbation such as uniaxial stress impurity or DC bias easily induces a ferroelectricc transition.[2]

[1]Müller et al., PRB 19, 3593 (1979) [2]Hemberger et al., JPCondMatter 8, 4673 (1996)

Brittle

Well, it seems that it's not brittle anymore. See: Phys Rev Lett. 2001 Aug 20;87 (8):085505 11497958 (P,S,E,B)

~~LUMO —Preceding unsigned comment added by 129.175.86.93 (talk) 14:31, 19 March 2008 (UTC)[reply]

Lattice constant

Whould it be e good idea to show a lattice constant hear? I found a good value:

a= 3.9051(8) Angstroem

PRB (1995), Ligny/Richet, Vol. 53, No. 6, p. 3013

Maybe its to special, because it is for clean STO (without any doping).

The other possibility is to use the well known Value of 3.905.

Broken Link

The External Link citing the deYoung exhibit of the electron micrograph is broken. --Dmummert (talk) 23:48, 18 November 2010 (UTC)[reply]

Hardness and density

Properties says the density and hardness differ between the natural and synthetic - Can anyone say why ? Just different crystal structures ? or impurities ? - Rod57 (talk) 00:20, 20 October 2012 (UTC)[reply]

Resistivity units error

In the article, the resistivity is given in ohm/cm, while the units of resistivity should be in ohm*cm. Perhaps the reference was misinterpreted? I cannot view the article, so someone else will need to fix this.72.177.226.134 (talk) 14:27, 18 November 2013 (UTC)[reply]

Removed This was just added today. I've taken it out for now and left a message explaining what happened to the person who added it. Jackmcbarn (talk) 14:36, 18 November 2013 (UTC)[reply]

i'd reply to your message; but i don't know how. You're right. Should be Ohm-cm. http://www.espimetals.com/index.php/technical-data/248-strontium-titanate. i'd update the article, but i don't want to start a holy war today. The specific resistivity of Strontium Titanate is over 10^7 Ohm-cm (in the dark) — Preceding unsigned comment added by Pauladin (talk • contribs) 15:04, 18 November 2013‎ (UTC)[reply]

The reference you gave says 10^9 rather than 10^7, so I've restored it with that value. Jackmcbarn (talk) 15:09, 18 November 2013 (UTC)[reply]

"Disused as jewelry"

I came across "Fabulite Strontium Titanate" on Jewelry TV and am watching it right now as I type this. The article needs to be updated that these uses and that name are NOT dis-used.

Web links:

https://www.jtv.com/search/?Ntt=fabulite&type=products&N=4243964577&Ntk=All

https://www.jtv.com/product/white-lab-created-strontium-titanate-rhodium-over-sterling-silver-ring-4-76ctw/JUH073

1st link is a search for "Fabulite"; 2nd link is the ring on the air as I write this so it may expire. — Preceding unsigned comment added by 68.14.246.101 (talk) 02:51, 13 October 2019 (UTC)[reply]

I was just looking around and saw the same thing. Whomever desires this name to not be applicable isn't paying attention. I'll make an edit. 2601:182:4381:E60:50C1:542D:AD23:213A (talk) 17:43, 18 February 2021 (UTC)[reply]