Increasing attention on metamaterials has been paid due to their exciting physical behaviors
and potential applications. While most of such artificial material structures developed so far …

Natural materials exhibit negligible magnetism at optical frequencies, since the direct effects
of the optical magnetic field on matter are much weaker than electric ones. In the last …

Magnetic effects are at the basis of several relevant microwave applications, eg, imaging,
computer memory modules, magneto-inductive waveguides and metamaterials. Commonly …

Ag/Y3Fe5O12 random composites of silver particles randomly hosted in porous Y3Fe5O12
were prepared using a facile impregnation–calcination process. With the increase of silver …

The impedance and dielectric properties of Ag/Al 2 O 3 composites are investigated
experimentally in the frequency range from 100 MHz to 1 GHz. Besides, equivalent circuit …

Since the first studies made by Kerker in the 1970s stating the conditions for null light
scattering in certain directions by particles, such conditions have remained unquestioned …

Meta material (having negative dielectric constant) characteristics were observed in
polymeric nanocomposites consisting of polypropylene and graphene. By varying the …

A new bottom-up approach for fabricating the optical metamaterial is reported. An array of
metal nanoparticle clusters can provide both electric and magnetic activity in the optical …

Despite widespread interest in nanoscale pillar structures for various optical devices,
including solar cells, photonic crystal lasers, and sensors, the critical challenges for mass …

Negative dielectric constants in the frequency range from 10− 2 to 107 Hz were gained from
a type of carbon nanofiber/polyetherimide composite membranes with a thickness of ca. 20 …