Magnetic-field-induced nematic-nematic phase separation and droplet formation in colloidal goethite

Journal of Physics Condensed Matter

Volumn 23, Issue 19, 2011, Pages

  Van Den Pol, E ^a   Verhoeff, A A ^a   Lupascu, A ^b,d   Diaconeasa, M A ^b,e   Davidson, P ^c   Dozov, I ^c   Kuipers, B W M ^a   Thies Weesie, D M E ^a   Vroege, G J ^a,b  

^a UTRECHT UNIVERSITY   (Netherlands)

^b UTRECHT UNIVERSITY   (Netherlands)

^c UNIVERSITÉ PARIS SUD   (France)

^d UNIVERSITY OF TORONTO   (Canada)

^e Massachusetts Institute of Technology Cambridge   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COLLECTIVE EFFECTS; DROPLET FORMATION; EXTERNAL MAGNETIC FIELD; LIQUID CRYSTAL FORMATION; NEMATIC DROPLETS; NEMATIC TACTOIDS; ORDER-PARAMETER PROFILE; PERPENDICULAR ORIENTATION; POLARIZATION MICROSCOPY; QUALITATIVE INFORMATION; SEDIMENTING;

DROPS; LIQUID CRYSTALS; LIQUIDS; MAGNETIC FIELDS; MAGNETIC PROPERTIES; NEMATIC LIQUID CRYSTALS; POLARIZATION;

PHASE SEPARATION;

FERRIC HYDROXIDE; IRON DERIVATIVE; MICROSPHERE; MINERAL;

ARTICLE; BIREFRINGENCE; CHEMISTRY; CRYSTALLIZATION; INSTRUMENTATION; LIQUID CRYSTAL; MAGNETISM; METHODOLOGY; PHASE TRANSITION; POLARIZATION MICROSCOPY; SURFACE PROPERTY; SYNTHESIS;

BIREFRINGENCE; CRYSTALLIZATION; IRON COMPOUNDS; LIQUID CRYSTALS; MAGNETICS; MICROSCOPY, POLARIZATION; MICROSPHERES; MINERALS; PHASE TRANSITION; SURFACE PROPERTIES;

EID: 79955497637     PISSN: 09538984     EISSN: 1361648X     Source Type: Journal    
DOI: 10.1088/0953-8984/23/19/194108     Document Type: Article

References (31)

1. Onsager L 1949 The effects of shape on the interaction of colloidal particles Ann. New York Acad. Sci. 51 627-59
2. Zocher H 1925 Concerning the spontaneous formation of structure in sols Z. Anorg. Allg. Chem. 147 91
3. Bawden F C, Pirie N W, Bernal J D and Fankuchen I 1936 Liquid crystalline substances from virus-infected plants Nature 138 1051-2
4. Langmuir I 1938 The role of attractive and repulsive forces in the formation of tactoids, thixotropic gels, protein crystals and coacervates J. Chem. Phys. 6 873-96
5. Lekkerkerker H N W, Coulon Ph, Van Der Haegen R and Deblieck R 1984 On the isotropic-liquid crystal phase separation in a solution of rodlike particles of different lengths J. Chem. Phys. 80 3427-33
6. Stroobants A, Lekkerkerker H N W and Odijk T 1986 Effect of electrostatic interaction on the liquid-crystal phase-transition in solutions of rodlike polyelectrolytes Macromolecules 19 2232
7. van der Kooij F M, Kassapidou K and Lekkerkerker H N W 2000 Liquid crystal phase transition in suspensions of polydisperse plate-like particles Nature 406 868-71 (Pubitemid 30664257)
8. Frenkel D, Lekkerkerker H N W and Stroobants A 1988 Thermodynamic stability of a smectic phase in a system of hard rods Nature 332 822
9. Stroobants A, Lekkerkerker H N W and Frenkel D 1987 Evidence for one-, two-, and three-dimensional order in a system of hard parallel spherocylinders Phys. Rev. A 36 2929
10. Buining P A, Pathmamanoharan C, Jansen J B H and Lekkerkerker H N W 1991 Preparation of colloidal boehmite needles by hydrothermal treatment of aluminum alkoxide precursors J. Am. Ceram. Soc. 74 1303
11. Wierenga A M, Lenstra T A J and Philipse A P 1998 Aqueous dispersions of colloidal gibbsite platelets: synthesis, characterisation and intrinsic viscosity measurements Colloids Surf. A 134 359-71 (Pubitemid 28177517)
12. van der Beek D 2005 Liquid crystal phase behaviour of colloidal platetelets in external fields PhD Thesis (University of Utrecht)
13. Verhoeff A A 2011 Liquid crystal drops in suspensions of colloidal plates PhD Thesis (University of Utrecht)
14. Lemaire B J, Davidson P, Ferré J, Jamet J P, Panine P, Dozov I and Jolivet J P 2002 Outstanding magnetic properties of nematic suspensions of goethite (α-FeOOH) nanorods Phys. Rev. Lett. 88 125507
15. Vroege G J, Thies-Weesie D M E, Petukhov A V, Lemaire B J and Davidson P 2006 Smectic liquid-crystalline order in suspensions of highly polydisperse goethite nanorods Adv. Mater. 18 2565-8 (Pubitemid 44563475)
16. Lemaire B J, Davidson P, Panine P and Jolivet J P 2004 Magnetic-field-induced nematic-columnar phase transition in aqueous suspensions of goethite (α-FeOOH) nanorods Phys. Rev. Lett. 93 267801
17. van den Pol E, Petukhov A V, Thies-Weesie D M E, Byelov D V and Vroege G J 2009 Experimental realization of biaxial liquid crystal phases in colloidal dispersions of boardlike particles Phys. Rev. Lett. 103 258301
18. Tang J and Fraden S 1993 Magnetic-field-induced isotropic-nematic phase transition in a colloidal suspension Phys. Rev. Lett. 71 3509
19. van der Beek D, Davidson P, Wensink H H, Vroege G J and Lekkerkerker H N W 2008 Influence of a magnetic field on the nematic phase of hard colloidal platelets Phys. Rev. E 77 031708
20. Lemaire B J, Davidson P, Ferré J, Jamet J P, Petermann D, Panine P, Dozov I, Stoenescu D and Jolivet J P 2005 The complex phase behavior of suspensions of goethite (α-FeOOH) nanorods in a magnetic field Faraday Discuss. 128 271-83 (Pubitemid 40136506)
21. Vroege G J and Lekkerkerker H N W 1993 Theory of the isotropic-nematic- nematic phase separation for a solution of bidisperse rodlike particles J. Phys. Chem. 97 3601-5
22. van den Pol E, Lupascu A, Diaconeasa M A, Petukhov A V, Byelov D V and Vroege G J 2010 Onsager revisited: magnetic field induced nematic-nematic phase separation in dispersions of goethite nanorods J. Phys. Chem. Lett. 1 2174-8
23. Lemaire B J, Davidson P, Ferré J, Jamet J P, Petermann D, Panine P, Dozov I and Jolivet J P 2004 Physical properties of aqueous suspensions of goethite (α-FeOOH) nanorods: part I: in the isotropic phase Eur. Phys. J. E 13 291-308 (Pubitemid 40877407)
24. Thies-Weesie D M E, de Hoog J P, Hernandez Mendiola M H, Petukhov A V and Vroege G J 2007 Synthesis of goethite as a model colloid for mineral liquid crystals Chem. Mater. 19 5538-46 (Pubitemid 350150578)
25. Robinson P C and Bradbury S 1992 Qualitative Polarized-Light Microscopy (New York: Royal Microscopy Society-Oxford University Press)
26. Lemaire B J, Davidson P, Petermann D, Panine P, Dozov I, Stoenescu D and Jolivet J P 2004 Physical properties of aqueous suspensions of goethite (α-FeOOH) nanorods: part II: in the nematic phase Eur. Phys. J. E 13 309-19 (Pubitemid 40877408)
27. Reich H and Schmidt M 2010 Sedimentation equilibrium of colloidal platelets in an aligning magnetic field J. Chem. Phys. 132 144509
28. Prinsen P and van der Schoot P 2003 Shape and director-field transformation of tactoids Phys. Rev. E 68 021701
29. Trukhina Y, Jungblut S, van der Schoot P and Schilling T 2009 Osmotic compression of droplets of hard rods: a computer simulation study J. Chem. Phys. 130 164513
30. Verhoeff A A, Bakelaar I A, Otten R H J, van der Schoot P and Lekkerkerker H N W 2011 Tactoids of plate-like particles: size, shape and director field Langmuir 27 116-25
31. van den Pol E, Lupascu A, Davidson P and Vroege G J 2010 The isotropic-nematic interface of colloidal goethite in an external magnetic field J. Chem. Phys. 133 164504