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Soft Chemical Synthesis of HxCrS2: An Antiferromagnetic Material with Alternating Amorphous and Crystalline Layers
journal contribution
posted on 2019-09-18, 21:43 authored by Xiaoyu Song, Guangming Cheng, Daniel Weber, Florian Pielnhofer, Shiming Lei, Sebastian Klemenz, Yao-Wen Yeh, Kai A. Filsinger, Craig B. Arnold, Nan Yao, Leslie M. SchoopWe
report a new HxCrS2-based
crystalline/amorphous layered material synthesized by soft chemical
methods. We study the structural nature and composition of this material
with atomic resolution scanning transmission electron microscopy (STEM),
revealing a complex structure consisting of alternating layers of
amorphous and crystalline lamellae. Furthermore, the magnetic properties
show evidence for increased magnetic frustration compared to the parent
compound NaCrS2. Finally, we show that this material can
be exfoliated, thus providing a facile synthesis method for chromium-sulfide-based
ultrathin layers. The material reported herein can not only be a source
of new thin TMD-related sheets for potential application in catalysis
but also be of interest for realizing new 2D magnetic materials.