Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes,
Comisión Nacional de Energía Atómica, San Martín, B1650KNA, Buenos Aires, Argentina
Instituto de Química Física de los Materiales, Medio Ambiente y
Energía (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Pabellón II, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
current address: División de Química Atmosférica, Centro Atómico
Constituyentes, Comisión Nacional de Energía Atómica, San Martín, B1650KNA, Buenos Aires, Argentina
Melisa M. Gianetti
Instituto de Química Física de los Materiales, Medio Ambiente y
Energía (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Pabellón II, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
Instituto de Química Física de los Materiales, Medio Ambiente y
Energía (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Pabellón II, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
Horacio R. Corti
Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes,
Comisión Nacional de Energía Atómica, San Martín, B1650KNA, Buenos Aires, Argentina
Instituto de Química Física de los Materiales, Medio Ambiente y
Energía (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Pabellón II, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
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Numerous studies have shown that ice surface is actually coated by a thin layer of water even for temperatures below melting temperature. This quasi-liquid layer is relevant in the atmospheric chemistry of clouds, polar regions, glaciers, and other cold regions. We present new results of atomic force microscopy on pure ice, which suggests a thickness for this layer below 1 nm between -7 ºC and -2 ºC. We propose that in many cases previous authors have overestimated this thickness.
Numerous studies have shown that ice surface is actually coated by a thin layer of water even...
