Recent publications

 

 

Thin nematic films on liquid substrates

pancakes     trilayer1

stripes  8CBglyx20_00000027

U. Delabre, C. Richard and Anne-Marie Cazabat 
        Some specificities of wetting by cyanobiphenyls liquid crystals
        J. Phys : Condensed Matter, 21, 464129 (2009)

         U. Delabre, C. Richard and Anne-Marie Cazabat 
        Thin nematic films on liquid substrates
        Journal of Physical Chemistry B, 113, 3647 (2009)

        U. Delabre, C. Richard, J. Meunier and Anne-Marie Cazabat 
        Line tension of nematic pancakes at the air-water interface: Static and dynamic measurements  
        Europhysics Letters  83, 6, 66004 (2008)

        U. Delabre, C. Richard, G. Guéna, J. Meunier and Anne-Marie Cazabat 
        Nematic pancakes revisited
        Langmuir  24, 8, 3998 (2008)




Evaporation

0.4%B5L_g2_00014           soleil

angle


M.Cachile, O.Bénichou, A.M.Cazabat
    “Evaporating droplets of completely wetting liquids”
    Langmuir 18, 7985 (2002)

    M.Cachile, O.Bénichou, C.Poulard, A.M.Cazabat
    “Evaporating droplets ”
    Langmuir 18, 8070 (2002)

    C.Poulard, O.Bénichou, A.M.Cazabat
    Freely receding evaporating droplets
    Langmuir 19, 8828 (2003)

    C. Poulard, G. Guéna, A.-M. Cazabat, A. Boudaoud, M. Ben Amar;
    Rescaling the dynamics of evaporating drops.
    Langmuir; 21(18) pp 8226 - 8233; 2005

     C. Poulard, G. Guéna, A.-M. Cazabat
    “Diffusion-driven evaporation of sessile drops”
    Journal of  Physics: Condensed Matter, vol 17, p.S4213, 2005

     G. Guéna, C. Poulard, M.Voué, J.De Coninck, A.-M. Cazabat ,
    “Evaporation of sessile liquid droplets”
    Colloids & Surfaces A (291), p.191-196 , 2006

    . Guéna, C. Poulard, A.-M. Cazabat
     “The contact angle of droplets evaporating at ambient temperature”
    Applied Mathematics Research eXpress, article ID 23465, p.1, 2006

     G. Guéna, C. Poulard, A.-M. Cazabat
     “Evaporating drops of alkanes mixtures”
    Colloids & Surfaces A (298) p.2-11, 2007

     G. Guéna, C. Poulard, A.-M. Cazabat,
     “The leading edge of evaporating droplets"
    Journal of Colloid Int.Sci, 312, p.164-171, 2007

    G. Guéna, P.Allancon, A.-M. Cazabat
    “Receding contact angle in the situation of complete wetting. Experimental check of a model  used for evaporating droplets”
    Colloids & Surfaces A (300) p.307-314. , 2007





Thin nematic films on solid substrates

vdb2     vdb



R.Barberi, N.Scaramuzza, V.Formoso, M.P.Valignat, R.Bartolino, A.M.Cazabat
    "Conventional and non conventional spreading of a mesogenic material"
    Europhysics Letters, 34, p 349, 1996

    M.P.Valignat, S.Villette, L.Jun, R.Barberi, R.Bartolino, E.Dubois-Violette, A.M.Cazabat
    "Wetting and anchoring of a nematic on a rough surface"
    Phys.Rev.Letters, 77, p.1994, 1996

    M.P.Valignat, D.Duca, A.M.Cazabat, R.Bartolino
    "Surface induced effects in Liquid Crystals: a microscopic study"
    Molecular crystals and liquid crystals, 301, p.151, 1997

    S.Bardon, M.P.Valignat, A.M.Cazabat, W.Stocker, J.P.Rabe
    "Study of liquid crystal prewetting films by atomic force microscopy in the tapping mode"
    Langmuir, 14, p.2916, 1998

    F.Vandenbrouck, S.Bardon, M.P.Valignat, A.M.Cazabat
    "Wetting transition and divergence of the extrapolation length near the nematic-isotropic     transition"
    Phys.Rev.Lett., 81, p.610, 1998

    F.Vandenbrouck, M.P.Valignat, A.M.Cazabat
    "Thin nematic films: metastability and spinodal dewetting"
    Phys.Rev.Lett., 82, p.2693, 1999

    S.Bardon, R.Ober, M.P.Valignat, F.Vandenbrouck, A.M.Cazabat, J.Daillant
    "Organization of cyanobiphenyl liquid crystal moleculess in pre-wetting films spreading on     silicon wafers"
    Phys.Rev.E 59, p.6808, 1999

    D. Van Effenterre, R. Ober, M.P. Valignat, A.M. Cazabat.
    "Binary separation in very thin nematic films: thickness and phase coexistence"
    Phys. Rev. Lett, 87 p.1257 (2001).

    M.P. Valignat, F. Vandenbrouck, A.M. Cazabat.
    "The role of long range forces in the stability of nematic films".
    Mol. cryst. liq. cryst. sci. techno. A 358 (2001), p.287





Tears of wine

tears











J.B.Fournier, A.M. Cazabat,
    "Tears of wine"
    Europhysics Letters,.20, p. 517 (1992)

    R.Vuilleumier, V.Ego, L.Neltner, A.M.Cazabat
    "Tears of wine: the stationary state"
    Langmuir, 11, p.4117, 1995






Macroscopic spreading of liquid crystals

C.Poulard, A.M.Cazabat
     “Spontaneous spreading of nematic liquid crystals”
    Langmuir, 21, 6270-6276, 2005

     C. Poulard, M.Voué, J.De Coninck, A.-M. Cazabat
    "Spreading of nematic liquid crystals on hydrophobic substrates"
    Colloids and Surfaces A282, p.240 (2006)