Thickness dependence of ferrimagnetic compensation in amorphous rare-earth transition-metal thin films [0.03%]
稀土过渡金属非晶薄膜的铁磁补偿与厚度的关系
Chung Ting Ma,Brian J Kirby,Xiaopu Li et al.
Chung Ting Ma et al.
Magnetic compensation in ferrimagnets plays an important role in spintronic and magnetic recording devices. Experimental results have demonstrated a thickness dependence of the compensation temperature ( T comp ) in amorphous TbFeCo thin...
A 64-pixel mid-infrared single-photon imager based on superconducting nanowire detectors [0.03%]
一种基于超导纳米线探测器的64像素中红外单光子成像仪
Benedikt Hampel,Richard P Mirin,Sae Woo Nam et al.
Benedikt Hampel et al.
A large-format mid-infrared single-photon imager with very low dark count rates would enable a broad range of applications in fields like astronomy and chemistry. Superconducting nanowire single-photon detectors (SNSPDs) are a mature photon...
Junjie Yang,Aaron Wegner,Craig M Brown et al.
Junjie Yang et al.
The search for appropriate materials for technological applications is challenging, as real materials are subject to uncontrolled doping and thermal effects. Tetragonal NaMnBi of the I-Mn-V class of antiferromagnetic semiconductors with a N...
Detection of individual spin species via frequency-modulated charge pumping [0.03%]
基于频率调制的电荷泵浦方法探测单一自旋物种
J P Ashton,M A Anders,J T Ryan
J P Ashton
We utilize a frequency-modulated charge pumping methodology to measure quickly and conveniently single "charge per cycle" in highly scaled Si/SiO2 metal-oxide-semiconductor field effect transistors. This is indicative of detection and manip...
Yun-Pil Shim,Rusko Ruskov,Hilary M Hurst et al.
Yun-Pil Shim et al.
We propose a non-destructive means of characterizing a semiconductor wafer via measuring parameters of an induced quantum dot on the material system of interest with a separate probe chip that can also house the measurement circuitry. We sh...
Local Voltage Mapping of Solar Cells in the Presence of Localized Radiative Defects [0.03%]
局域辐射缺陷存在下太阳能电池的局部电压分布映射技术
Brianna Conrad,Behrang H Hamadani
Brianna Conrad
Hyperspectral electroluminescence and photoluminescence imaging of photovoltaic materials and devices produces three-dimensional spatially and spectrally resolved luminescence data, which can be calibrated to an absolute scale, enabling the...
Tailoring Broadband Kerr Soliton Microcombs via Post-Fabrication Tuning of the Geometric Dispersion [0.03%]
通过调整几何色散来定制宽带克尔孤子微频梳
Gregory Moille,Daron Westly,Ndubuisi George Orji et al.
Gregory Moille et al.
Geometric dispersion in integrated microresonators plays a major role in nonlinear optics applications, especially at short wavelengths, to compensate the natural material normal dispersion. Tailoring of geometric confinement allows for ano...
Peter J Lowell,John A B Mates,W Bertrand Doriese et al.
Peter J Lowell et al.
Low-temperature superconducting circuits have become important for many scientific applications. However, there are presently no high current-capacity switches (~1 mA) with low power dissipation for sub-Kelvin operation. One candidate for a...
Configurable error correction of code-division multiplexed TES detectors with a cryotron switch [0.03%]
具有cryotron开关的码分复用TES探测器的可配置错误纠正
Joel C Weber,Joseph W Fowler,Malcolm Durkin et al.
Joel C Weber et al.
The development of a superconducting analog to the transistor with extremely low power dissipation will accelerate the proliferation of low-temperature circuitry operating in the milliKelvin regime. The thin-film, magnetically actuated cryo...
Near-Field Control and Imaging of Free Charge Carrier Variations in GaN Nanowires [0.03%]
GaN纳米线中自由载流子变化的近场调控与成像
Samuel Berweger,Paul T Blanchard,Matt D Brubaker et al.
Samuel Berweger et al.
Despite their uniform crystallinity, the shape and faceting of semiconducting nanowires (NWs) can give rise to variations in structure and associated electronic properties. Here we develop a hybrid scanning probe-based methodology to invest...