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Pressure-induced structural transition in UGa2.
- Source :
- Philosophical Magazine Letters; Dec2004, Vol. 84 Issue 12, p791-795, 5p
- Publication Year :
- 2004
-
Abstract
- High-pressure X-ray diffraction has been performed on UGa<subscript>2</subscript> up to 20 GPa using a diamond anvil cell. UGa<subscript>2</subscript> exhibits the AlB<subscript>2</subscript>-type structure with space group P6/mmm at room temperature and atmospheric pressure. At about 16 GPa a reversible structural transformation to a tetragonal phase was observed. The bulk modulus of the AlB<subscript>2</subscript>-type phase has been determined to be ∼100 GPa, which is comparable to rare earth digallides like TmGa<subscript>2</subscript> and HoGa<subscript>2</subscript>. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09500839
- Volume :
- 84
- Issue :
- 12
- Database :
- Complementary Index
- Journal :
- Philosophical Magazine Letters
- Publication Type :
- Academic Journal
- Accession number :
- 17550847
- Full Text :
- https://doi.org/10.1080/09500830500071259