Results 101 to 110 of about 38,954 (267)
BMI and Breast Subcutaneous Fat
Journal of Ultrasound in Medicine, EarlyView.Objectives Obesity is closely associated with the occurrence and progression of breast cancer. While body mass index (BMI) is widely used to diagnose obesity, it has certain limitations. Subcutaneous fat thickness (SFT) also serves as an indicator of body composition. However, studies on breast SFT are scarce.
Shiyu Wang +5 more
wiley +1 more source
Journal of Materials Research and TechnologyAluminium nitride (AlN) sputter-deposited directly on a bare silicon (Si) substrate suffers from significant lattice mismatch due to the presence of an amorphous interfacial layer at the AlN–Si interface and a considerable difference in in-plane lattice ...
Syazwani Izrah Badrudin +5 more
doaj +1 more source
Deep‐UV Photonic Crystal Surface‐Emitting Lasers
Laser &Photonics Reviews, EarlyView.The first deep‐UV photonic crystal surface‐emitting lasers (PCSELs) at 279 nm are demonstrated under pulsed optical pumping. The PCSELs have single‐mode emission with a 17‐pm linewidth and a divergence angle of less than 1∘$^{\circ }$. Experimental results highlight the impact of the filling factor choice on the lasing mode and the far‐field emission ...
Doğukan Apaydın +11 more
wiley +1 more source
C-axis tilted AlN films for vibration energy harvesters [PDF]
, 2015 Nguyen Hoang Hung +3 more
openalex +1 more source
Laser &Photonics Reviews, EarlyView.A heterogeneous III‐V/SiN platform for lasers at 800 nm is realized using the micro‐transfer printing method. Efficient GaAs gain sections are directly butt‐coupled to SiN waveguides, enabling continuous‐wave and mode‐locked extended‐cavity lasers. The mode‐locked lasers generate highly stable pulse trains with repetition rates up to 9.2 GHz and a ...
Max Kiewiet +13 more
wiley +1 more source
Monolithic Integration of ScAlN Modulators on Silicon‐On‐Insulator Platform
Laser &Photonics Reviews, EarlyView.Monolithic integration of scandium‐doped aluminum nitride (ScAlN) modulators on a silicon‐on‐insulator platform is reported. A multilayer electrode design enhances RF‐optical field overlap, enabling direct access to the diagonal electro‐optic coefficient and improved modulation efficiency.
Sihao Wang +6 more
wiley +1 more source
Influence of AlN nucleation layer on vertical breakdown characteristics for GaN‐on‐Si [PDF]
, 2015 Joseph J. Freedsman +4 more
openalex +1 more source
Multiscale Kinetic Monte Carlo Simulation of Self-Organized Growth of GaN/AlN Quantum Dots [PDF]
, 2022 J. A. Budagosky, A. García‐Cristóbal
openalex +1 more source
Alloy Solutions for Ammonia Cracking: A Review
Materials and Corrosion, EarlyView.This work provides a literature overview of the nitriding and degradation of structural materials under ammonia cracking conditions and explains the known mechanisms and the gaps, where research is required. ABSTRACT Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand.
Mathias Christian Galetz +3 more
wiley +1 more source