预处理外场中倾斜洗衣板摩尔纹图案上的磁性胶体单颗粒和哑铃。

IF 2.9 3区化学 Q3 CHEMISTRY, PHYSICAL

Soft Matter Pub Date : 2024-11-18 DOI:10.1039/d4sm01183j

Farzaneh Farrokhzad, Nico C X Stuhlmüller, Piotr Kuświk, Maciej Urbaniak, Feliks Stobiecki, Sapida Akhundzada, Arno Ehresmann, Daniel de Las Heras, Thomas M Fischer

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引用次数: 0

摘要

我们测量了在倾斜的磁摩尔纹图案上胶体单粒和哑铃的动态行为，该图案受到预处理外部均匀磁场的影响。在外部磁场强度较低时，单个胶体粒子和哑铃在图案上到处移动：在外部磁场强度较高时，单个胶体粒子和哑铃被定位在一般位置上。不过，也有一些非一般位置的扁平通道穿过摩尔-维格纳-塞茨单元。在平坦通道中，我们发现胶体单子和哑铃的引力驱动平移和非平移动态相位行为取决于外部磁场强度和外部均相磁场的前驱角。

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Magnetic colloidal single particles and dumbbells on a tilted washboard moiré pattern in a precessing external field.

We measure the dynamical behavior of colloidal singlets and dumbbells on an inclined magnetic moiré pattern, subject to a precessing external homogeneous magnetic field. At low external field strength single colloidal particles and dumbbells move everywhere on the pattern: at stronger external field strengths colloidal singlets and dumbbells are localized in generic locations. There are however nongeneric locations of flat channels that cross the moiré Wigner Seitz cell. In the flat channels we find gravitational driven translational and non-translational dynamic phase behavior of the colloidal singlets and dumbbells depending on the external field strength and the precession angle of the external homogeneous magnetic field.

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来源期刊

Soft Matter 工程技术-材料科学：综合

CiteScore

6.00

自引率

5.90%

发文量

891

审稿时长

1.9 months

期刊介绍： Where physics meets chemistry meets biology for fundamental soft matter research.