Extended Data Fig. 2: Interactions between LM and AlN at the interface region.
From: Mechanochemistry-mediated colloidal liquid metals for electronic device cooling at kilowatt levels
a, Micro-computed tomography image of the LM/AlN colloid (30 μm, 45 vol%), displaying discrete AlN particles without obvious agglomeration. b, HRTEM image of colloidal LMs. LM permeates into the crystal lattice of AlN at the heterointerface, resulting in a discernible degree of lattice distortion. Specifically, the d-spacing of the [002] peak experiences a reduction from 0.249 nm to 0.243 nm. c, X-ray diffraction spectra of colloidal LMs, highlighting that the mechanochemical process induces lattice distortion in AlN. Notably, the alteration trend observed in the [002] plane (marked in dashed line) aligns with the findings in HRTEM image. d, X-ray Photoelectron Spectroscopy (XPS) N 1 s spectra of AlN. e, XPS N 1 s spectra of LM/AlN colloid.
