Abstract
CONSIDERABLE research has been carried out on the structure of thin films of calcium fluoride deposited by evaporation on polished surfaces1–5. But very little, if any, attention has been paid to the temperature of the surface during the period of deposition. In a letter published in 19466, it was shown that this temperature plays an important part in the adhesiveness, the water solubility and the optical properties of quarter wave-length anti-reflexion films evaporated on to glass. It has now been found, mainly from X-ray examination, that the structure of a film depends very much on the temperature of the glass surface during the process of evaporation. Initial results of this investigation were included in the letter mentioned above.
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BANNON, J., CURNOW, C. Structure of Calcium Fluoride Films Evaporated on Polished Glass Surfaces. Nature 161, 136–137 (1948). https://doi.org/10.1038/161136b0
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DOI: https://doi.org/10.1038/161136b0
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