Reduction reactions and densification during in situ TEM heating of iron oxide nanochains [0.03%]
透射电镜加热条件下铁氧化物纳米链的还原和致密化过程
Cecile S Bonifacio,Gautom Das,Ian M Kennedy et al.
Cecile S Bonifacio et al.
The reduction reactions and densification of nanochains assembled from γ-Fe2O3 nanoparticles were investigated using in situ transmission electron microscopy (TEM). Morphological changes and reduction of the metal oxide nanochains were obs...
Electron microscopic observations of Rb particles and pitting in 129Xe spin-exchange optical pumping cells [0.03%]
含Rb颗粒和点蚀的129Xe自旋交换光泵浦电池的电子显微镜观察
C Flower,M S Freeman,M Plue et al.
C Flower et al.
High-volume production of hyperpolarized 129Xe by spin-exchange optical pumping (SEOP) has historically fallen short of theoretical predictions. Recently, this shortfall was proposed to be caused by the formation of alkali metal clusters du...
Effect of grain constraint on the field requirements for magnetocaloric effect in Ni45Co5Mn40Sn10 melt-spun ribbons [0.03%]
Grain约束对Ni45Co5Mn40Sn10快速凝固带材磁致冷效应磁场要求的影响
N M Bruno,Y J Huang,C L Dennis et al.
N M Bruno et al.
The influence of grain constraint on the magnetic field levels required to complete the isothermal martensitic transformation in magnetic shape memory alloys has been demonstrated for a NiCoMnSn alloy, and the magnetocaloric performance of ...
Prediction of entropy stabilized incommensurate phases in the system MoS2 - MoTe2 [0.03%]
MoS2-MoTe2系统中熵稳定不共格相的预测
B P Burton,A K Singh
B P Burton
A first principles phase diagram calculation, that included van der Waals interactions, was performed for the 3D bulk system (1 - X) · MoS2 - (X) · MoTe2. Surprisingly, the predicted phase diagram has at least two ordered phases, at X ≈ ...
Optical control of capacitance in a metal-insulator-semiconductor diode with embedded metal nanoparticles [0.03%]
具有嵌入金属纳米粒子的金属-绝缘体-半导体二极管的光学电容控制
V Mikhelashvili,G Ankonina,Y Kauffmann et al.
V Mikhelashvili et al.
This paper describes a metal-insulator-semiconductor (MIS) capacitor with flat capacitance voltage characteristics and a small quadratic voltage capacitance coefficient. The device characteristics resemble a metal-insulator-metal diode exce...
Molecular dynamics studies of defect formation during heteroepitaxial growth of InGaN alloys on (0001) GaN surfaces [0.03%]
在GaN衬底上异质外延生长InGaN合金时缺陷形成的分子动力学研究
J Gruber,X W Zhou,R E Jones et al.
J Gruber et al.
We investigate the formation of extended defects during molecular-dynamics (MD) simulations of GaN and InGaN growth on (0001) and ([Formula: see text]) wurtzite-GaN surfaces. The simulated growths are conducted on an atypically large scale ...
Spectral dependence of carrier lifetimes in silicon for photovoltaic applications [0.03%]
光伏应用中硅的载流子寿命的光谱依赖性研究
John F Roller,Yu-Tai Li,Mario Dagenais et al.
John F Roller et al.
Charge carrier lifetimes in photovoltaic-grade silicon wafers were measured by a spectral-dependent, quasi-steady-state photoconductance technique. Narrow bandwidth light emitting diodes (LEDs) were used to excite excess charge carriers wit...
Dynamic susceptibility of concentric permalloy rings with opposite chirality vortices [0.03%]
具有相反手性涡旋的同轴磁不锈钢环的动态易磁化性
C McKeever,F Y Ogrin,M M Aziz
C McKeever
The high frequency dynamic behaviour of concentric permalloy nanorings with vortex domain structures with a thickness of 20 nm, a width in the range of 100 nm-250 nm, and a separation in the range of 10 nm-600 nm is investigated by micromag...
Comparison of different bonding techniques for efficient strain transfer using piezoelectric actuators [0.03%]
基于压电作动器的高效应变传递的不同粘接技术比较研究
Dorian Ziss,Javier Martín-Sánchez,Thomas Lettner et al.
Dorian Ziss et al.
In this paper, strain transfer efficiencies from a single crystalline piezoelectric lead magnesium niobate-lead titanate substrate to a GaAs semiconductor membrane bonded on top are investigated using state-of-the-art x-ray diffraction (XRD...
Depoling and fatigue behavior of Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystal at megahertz frequencies under bipolar electric field [0.03%]
兆赫兹频率下正负电场交替作用的PMN-PT单晶的去极化及疲劳行为研究
Zhaojiang Chen,Shiyang Li,Yang Zhang et al.
Zhaojiang Chen et al.
Bipolar electric field induced degradation in [001]c poled Pb(Mg1/3Nb2/3)O3-0.29PbTiO3 (PMN-0.29PT) single crystals was investigated at megahertz frequencies. The electromechanical coupling factor kt , dielectric constant εr , dielectric l...