The fields of micro- and nanomechanics are strongly interconnected with the development of micro-electro-mechanical (MEMS) and nano-electro-mechanical (NEMS) devices, their fabrication and applications. This article highlights the biomimetic concept of designing new nanodevices for advanced materials and sensing applications.
The material's size and shape influence its physical, chemical, and
mechanical properties. This study describes an investigation of natural
photonic structure of the butterfly?s wing, mainly composed of chitin. The
effect of corrugations at the nanoscale on material's optical response is
unambiguously revealed in presented thermal measurements. Furthermore, the
presented study shows the possibility of exploiting holography to monitor
dynamics in situ.
This paper presents a holographic study of the phase
that occurs in a nonequilibrium system. The chosen model is a unique
Briggs–Rauscher oscillatory reaction that, first, follows a
deterministic pattern (namely, an oscillatory behavior) and, later,
exhibits a phase transition occurring randomly and without any known
link with the previous deterministic state. The presented research
opens up a new way to reveal complex chemical phenomena and dynamics
in situ, without disturbing significantly the nonequilibrium system
and its pathways. Simultaneously, it unfolds a new route for applications
of interferometric methods in different areas of materials science.
Under the applied conditions, we show that the holographic method
is more sensitive to the phase transition dynamics than the commonly
used potentiometric method.
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