Jump to content

Thulium(III) oxide: Difference between revisions

From Wikipedia, the free encyclopedia
Browse history interactively
← Previous edit
Content deleted Content added
VisualWikitext
→Properties: further information regarding its properties
→Properties: internal links added
 
(2 intermediate revisions by the same user not shown)
Line 57: Line 57:


==Properties==
==Properties==
Thulium(III) oxide (Tm₂O₃) is a pale green, thermally stable powder with a high melting point of 2,341 °C and a density of 8.6 g/cm³, typically forming a cubic crystal structure.<ref>{{cite web |url=https://www.stanfordmaterials.com/blog/thulium-oxide-properties-and-applications.html |title=Thulium Oxide: Properties and Applications of This Rare Earth Compound |last=Loewen |first=Eric |website=Standford Advanced Materials |access-date=Oct 30, 2024}}</ref> It is resistant to oxidation and dissolves in strong acids like hydrochloric acid, allowing it to form soluble thulium salts.<ref>{{cite journal |last1=Mitrovic |first1=I.Z. |last2=Hall |first2=S |year=2015 |title=Atomic-layer deposited thulium oxide as a passivation layer on germanium |journal=Journal of Applied Physics |volume=117 |page=21404 |doi=10.1063/1.4922121
Thulium(III) oxide (Tm₂O₃) is a pale green, thermally stable powder with a high melting point of 2,341 °C and a density of 8.6 g/cm³, typically forming a cubic crystal structure.<ref>{{cite web |url=https://www.stanfordmaterials.com/blog/thulium-oxide-properties-and-applications.html |title=Thulium Oxide: Properties and Applications of This Rare Earth Compound |last=Loewen |first=Eric |website=Standford Advanced Materials |access-date=Oct 30, 2024}}</ref> It is resistant to oxidation and dissolves in strong acids like [[hydrochloric acid]], allowing it to form soluble [[thulium]] salts.<ref>{{cite journal |last1=Mitrovic |first1=I.Z. |last2=Hall |first2=S |year=2015 |title=Atomic-layer deposited thulium oxide as a passivation layer on germanium |journal=Journal of Applied Physics |volume=117 |page=21404 |doi=10.1063/1.4922121
}}</ref> Due to its unique f-electron configuration, Tm₂O₃ has notable optical properties.<ref>{{cite journal |last1=Chaneliere |first1=T |last2=Ruggiero |first2=J |year=2008 |title=Tm3+:Y2⁢O3 investigated for a quantum light storage application |journal=Physics Review |volume=77 |page=245127 |doi=10.1103/PhysRevB.77.245127}}</ref> Thulium oxide (Tm₂O₃) is considered fibrogenic; it has the potential to induce tissue injury and [[fibrosis]] when inhaled or otherwise introduced to biological tissue.<ref>{{cite web |url=https://pubchem.ncbi.nlm.nih.gov/compound/Thulium-oxide |title=PubChem Compound Summary for CID 159411, Thulium oxide |year=2024 |website=National Center for Biotechnology Information |access-date=Oct 30, 2024}}</ref>
}}</ref>


==References==
==References==

Latest revision as of 21:05, 29 October 2024

Thulium(III) oxide
Thulium(III) oxide
Names
IUPAC name
Thulium(III) oxide
Other names
Thulium oxide, thulium sesquioxide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.031.670 Edit this at Wikidata
EC Number
  • 234-851-6
UNII
  • InChI=1S/3O.2Tm/q3*-2;2*+3
  • [O-2].[O-2].[O-2].[Tm+3].[Tm+3]
Properties
Tm2O3
Molar mass 385.866 g/mol
Appearance greenish-white cubic crystals
Density 8.6 g/cm3
Melting point 2,341 °C (4,246 °F; 2,614 K)
Boiling point 3,945 °C (7,133 °F; 4,218 K)
Solubility Slightly soluble in acids
+51,444·10−6 cm3/mol
Structure
Cubic, cI80[1]
Ia-3, No. 206[1]
a = 10.49 Å[1]
16[1]
Thermochemistry
2.515 °Cp[2] (25 °C)
Hazards
GHS labelling:
GHS07: Exclamation mark
Safety data sheet (SDS) Sigma-Aldrich
Related compounds
Other anions
 Thulium(III) chloride
Other cations
 Erbium(III) oxide
Ytterbium(III) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Thulium(III) oxide is a pale green crystalline compound, with the formula Tm2O3. It was first isolated in 1879, from an impure sample of erbia, by Swedish chemist Per Teodor Cleve, who named it thulia.

Synthesis

[edit]

Thulium(III) oxide has been made in the laboratory using various methods. One method involves burning thulium metal or its various salts in air.[3][2]

Thulium(III) oxide can be made using a hydrothermal method where thulium(III) acetate is mixed with an ammonia solution, which causes thulium(III) oxide to precipitate as a white solid.[1]

Properties

[edit]

Thulium(III) oxide (Tm₂O₃) is a pale green, thermally stable powder with a high melting point of 2,341 °C and a density of 8.6 g/cm³, typically forming a cubic crystal structure.[4] It is resistant to oxidation and dissolves in strong acids like hydrochloric acid, allowing it to form soluble thulium salts.[5] Due to its unique f-electron configuration, Tm₂O₃ has notable optical properties.[6] Thulium oxide (Tm₂O₃) is considered fibrogenic; it has the potential to induce tissue injury and fibrosis when inhaled or otherwise introduced to biological tissue.[7]

References

[edit]
  1. ^ a b c d e Lee, Sung Woo; Park, Seong Kyun; Min, Bong-Ki; Kang, Jun-Gill; Sohn, Youngku (July 2014). "Structural/spectroscopic analyses and H2/O2/CO responses of thulium(III) oxide nanosquare sheets". Applied Surface Science. 307: 736–743. doi:10.1016/j.apsusc.2014.04.149.
  2. ^ a b Justice, Bruce; Westrum, Edgar; Chang, Elfreda; Radebaugh, Ray (February 1, 1969). "Thermophysical properties of the lanthanide oxides. IV. Heat capacities and thermodynamic properties of thulium(III) and lutetium(III) oxides. Electronic energy levels of several lanthanide(III) ions". Journal of Physical Chemistry. 2 (73): 333–340 – via ACSPublications.
  3. ^ Catherine E. Housecroft; Alan G. Sharpe (2008). "Chapter 25: The f-block metals: lanthanoids and actinoids". Inorganic Chemistry, 3rd Edition. Pearson. p. 864. ISBN 978-0-13-175553-6.
  4. ^ Loewen, Eric. "Thulium Oxide: Properties and Applications of This Rare Earth Compound". Standford Advanced Materials. Retrieved Oct 30, 2024.
  5. ^ Mitrovic, I.Z.; Hall, S (2015). "Atomic-layer deposited thulium oxide as a passivation layer on germanium". Journal of Applied Physics. 117: 21404. doi:10.1063/1.4922121.
  6. ^ Chaneliere, T; Ruggiero, J (2008). "Tm3+:Y2⁢O3 investigated for a quantum light storage application". Physics Review. 77: 245127. doi:10.1103/PhysRevB.77.245127.
  7. ^ "PubChem Compound Summary for CID 159411, Thulium oxide". National Center for Biotechnology Information. 2024. Retrieved Oct 30, 2024.
Stub icon

This inorganic compound–related article is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Thulium(III)_oxide&oldid=1254195066"