Obstructed Diffusion in Silica Colloidal Crystals

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Nanoscale Morphology of Water in Silica Colloidal Crystals.

We show a simple method to visualize the morphology of water adsorbed within the pore network of colloidal crystals made of submicrometer silica spheres. Water is replicated into silica by modified silicon tetrachloride hydrolysation under standard ambient conditions, making it visible to standard electronic microscopy and thus allowing one to discern the original water distribution. Different ...

متن کامل

DIPLOMARBEIT Vibrations and Diffusion in Colloidal Cluster Crystals

In soft matter physics novel kinds of “cluster phases” have attracted considerable attention recently. These phases are observed, for instance, in systems in which particles interact via bounded, purely repulsive potentials that originate from the effective interactions between soft colloids, such as dendrimers. At sufficiently high densities these particles overlap, thereby forming clusters wh...

متن کامل

Taylor instabilities in colloidal crystals

2014 Recently we have developed a Couette viscosimeter for studying the shearing of colloidal crystals. We report here that with increasing shear rate the colloidal crystal melts (for 03C9crit) and above a critical shear rate, 03C9T0, Taylor instabilities develop. After stopping the shearing flow the suspension recrystallizes in a special texture which preserves the pattern of the Taylor rolls....

متن کامل

Particle excursions in colloidal crystals.

We have performed synchrotron small-angle x-ray diffraction experiments on charge-stabilized colloidal crystals. The mean squared displacements, obtained from Debye-Waller factors, decrease with increasing density beyond freezing. Irrespective of the range of the repulsion, our data and previous results lie on a common curve, linearly scaled between the melting and close-packed densities. Surpr...

متن کامل

Planar magnetic colloidal crystals.

We report a novel form of planar magnetic colloidal crystals formed by coated magnetic microspheres floating on a liquid meniscus. Under an external magnetic field, the balance between the repulsive magnetic interaction and the "attractive" interaction, due to the weight of the particles projected along the surface tangent, yields not only the triangular lattice with a variable lattice constant...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: The Journal of Physical Chemistry A

سال: 2013

ISSN: 1089-5639,1520-5215

DOI: 10.1021/jp400496p