Charge Compensation of Er3+ Ions in Ca1—
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Césaire, T. ;Hirsch, L. ;Barrière, A. S. ;Bouffard, M. ;Jouart, J. P.
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Article
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1998
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John Wiley and Sons
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English
⚖ 201 KB
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The Er 3 ions in Ca 1Àx Er x F 2x (x 0X01) thin layers grown by sublimation on Si substrates were selectively excited using a laser-induced up-conversion technique under focused excitation at liquid nitrogen temperature. By comparison with the results previously published on bulk crystals, two (Er 3