Light scattering cell for studying crystals under uniaxial stress
We describe the construction of optical scattering cell which has been used for the Brillouin spectroscopy of ferroelastic KH3(SeO3)2. Using a pneumatic transducer, we were able to obtain uniaxial stress up to 18 MPa in a 4 mm cube sample. Temperatures down to liquid N2 and up to 60 °C are obtainabl...
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| Veröffentlicht in: | Review of scientific instruments 1980-10, Vol.51 (10), p.1323-1325 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | We describe the construction of optical scattering cell which has been used for the Brillouin spectroscopy of ferroelastic KH3(SeO3)2. Using a pneumatic transducer, we were able to obtain uniaxial stress up to 18 MPa in a 4 mm cube sample. Temperatures down to liquid N2 and up to 60 °C are obtainable with the stability of 2 mK. The cell is constructed for 90 degrees scattering geometry and allows the use of index matching liquid. |
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| ISSN: | 0034-6748 1089-7623 |
| DOI: | 10.1063/1.1136076 |