Czochralski Growth and Characterization of a Compositionally Complex Rare Earth Aluminum Garnet Scintillator: (Gd 1/4 Y 1/4 Tb 1/4 Lu 1/4 ) 3 Al 5 O 12 :Ce
- Award ID(s):
- 2003117
- PAR ID:
- 10681905
- Publisher / Repository:
- American Chemical Society
- Date Published:
- Journal Name:
- Crystal Growth & Design
- Volume:
- 25
- Issue:
- 22
- ISSN:
- 1528-7483
- Page Range / eLocation ID:
- 9782 to 9795
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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Significance The quasi–1-dimensional bismuth bromide, α-Bi4Br4, has been predicted to be a rotational symmetry-protected topological crystalline insulator. The structural study under high pressure indicates that the α-Bi4Br4phase is stable up to 4.3 GPa. There is a rich phase diagram of physical properties under high pressure in the α-Bi4Br4phase (i.e., a pressure-induced insulator–metal transition and, most importantly, a superconductive phase near the boundary of the insulator–metal transition). These findings help to answer questions, such as whether it is possible for the symmetry-protected electrons to form Cooper pairs. The α-Bi4Br4undergoes a pressure-induced structural transition above 4.3 GPa to a triclinicP-1 phase, which is another superconductive phase.more » « less
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