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View article: Role of crystallographic orientation in atom probe analysis of Li-ion battery cathode materials
Role of crystallographic orientation in atom probe analysis of Li-ion battery cathode materials Open
Using air-stable lithium cobalt oxide (LCO) as a prototypical system, we elucidate the role of crystallographic orientation and anisotropic transport in atom probe tomography (APT) for lithium transition metal oxide (LTMO) cathode material…
View article: Diffractive microoptics in porous silicon oxide by grayscale lithography
Diffractive microoptics in porous silicon oxide by grayscale lithography Open
We demonstrate focusing as well as imaging using diffractive microoptics, manufactured by two-photon polymerization grayscale lithography (2GL), that have been 3D printed into porous silicon oxide. While typical doublet lens systems requir…
View article: Low loss fiber-coupled volumetric interconnects fabricated via direct laser writing
Low loss fiber-coupled volumetric interconnects fabricated via direct laser writing Open
Photonic integrated circuits (PICs) are vital for high-speed data transmission. However, optical routing is limited in PICs composed of only one or a few stacked planes. Further, coupling losses must be low in deployed systems. Previously,…
View article: Highly Ordered Eutectic Mesostructures via Template‐Directed Solidification within Thermally Engineered Templates
Highly Ordered Eutectic Mesostructures via Template‐Directed Solidification within Thermally Engineered Templates Open
Template‐directed self‐assembly of solidifying eutectics results in emergence of unique microstructures due to diffusion constraints and thermal gradients imposed by the template. Here, the importance of selecting the template material bas…
View article: Enabling High Precision Gradient Index Control in Subsurface Multiphoton Lithography
Enabling High Precision Gradient Index Control in Subsurface Multiphoton Lithography Open
Multiphoton lithography inside a mesoporous host can create optical components with continuously tunable refractive indices in three-dimensional (3D) space. However, the process is very sensitive at exposure doses near the photoresist thre…
View article: Thermally Responsive Hydrogels for Passive Temperature Regulation under Direct Sunlight
Thermally Responsive Hydrogels for Passive Temperature Regulation under Direct Sunlight Open
By spontaneously emitting midinfrared radiation to outer space through the atmospheric window and reflecting sunlight, daytime radiative coolers achieve notable passive cooling performance. However, existing daytime radiative cooling syste…