Ideal Kerker scattering by homogeneous spheres: the role of gain or loss

• Qingdong Yang,
• Weijin Chen,
• Yuntian Chen and
• Wei Liu

Beilstein J. Nanotechnol. 2022, 13, 828–835, doi:10.3762/bjnano.13.73

• polarized plane waves (wavelength λ and angular wavenumber k = 2π/λ) by homogeneous non-magnetic spheres (isotropic refractive index m, radius R, and normalized geometric parameter x = kR), the scattered fields can be expanded into a series of electric and magnetic multipoles of order l (l = 1 corresponds

The surface microstructure of cusps and leaflets in rabbit and mouse heart valves

• Xia Ye,
• Bharat Bhushan,
• Ming Zhou and
• Weining Lei

Beilstein J. Nanotechnol. 2014, 5, 622–629, doi:10.3762/bjnano.5.73

• fabrication of valve substitutes or partial substitutes. Namely, the model may help ameliorate heart valve replacement surgery. Keywords: contact angle; geometric parameter; heart valve; hemocompatibility; microstructure; Introduction Bionics, or biomimetics, have made tremendous developments in the past

Preparation of electrochemically active silicon nanotubes in highly ordered arrays

• Tobias Grünzel,
• Young Joo Lee,
• Karsten Kuepper and
• Julien Bachmann

Beilstein J. Nanotechnol. 2013, 4, 655–664, doi:10.3762/bjnano.4.73

• platform specifically designed to provide the experimental capability of tuning individually every single geometric parameter in such a porous silicon structure created in an inert matrix (Figure 1): the pore length L, the pore diameter D, the silicon layer thickness d, and the interpore distance P. The

Moisture harvesting and water transport through specialized micro-structures on the integument of lizards

• Philipp Comanns,
• Christian Effertz,
• Florian Hischen,
• Konrad Staudt,
• Wolfgang Böhme and
• Werner Baumgartner

Beilstein J. Nanotechnol. 2011, 2, 204–214, doi:10.3762/bjnano.2.24

• and any macroscopic geometric parameter of the scales in the three investigated species (data not shown). Thus, either material properties or the micro ornamentation of the scales induce the high wettability. Contact angle and microscopic morphology To quantify the wetting properties we attempted to