Characterization of the fcc-distorted fcc-structural transition in lanthanum in an extended pressure and temperature range |
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| Authors: | M Seipel F Porsch W B Holzapfel |
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| Institution: | Fachbereich Plzysik, Uiziversitat-GH Paderborn , 0-33095, Paderborn, Gerinalzy |
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| Abstract: | Abstract The displacive transition in La is studied in the pressure range up to 26 GPa and under temperatures up to 630 K with angular dispersive X-ray diffraction at the ESRF and with energy dispersive X-ray diffraction in HASYLAB to elucidate further details of this transition with an extension of the transition line up to 22.5(5) GPa and 590(10) K and a determination of the order parameter down to a level of η ≈=5· 10?4. |
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| Keywords: | High pressure X-ray diffraction lanthanum phase transition synchrotron radiation |
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