J. F. Feng
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View article: Study on Heating Energy Efficiency and Optimization of Solar-air Source Heat Pump
Study on Heating Energy Efficiency and Optimization of Solar-air Source Heat Pump Open
This paper studies the heating energy efficiency and optimization of a solar-air source heat pump (SASHP). Through system simulation, the energy efficiency of the SASHP is compared with other heating methods. The results show that SASHP ha…
View article: The Application of a Solar–Air-Source Heat Pump Dual-Supply Heating System in a High-Cold Area in China
The Application of a Solar–Air-Source Heat Pump Dual-Supply Heating System in a High-Cold Area in China Open
Solar energy is the most available renewable resource and has great potential for various applications. Solar heat pumps are limited when operating alone due to weather and the unstable and intermittent nature of solar energy. The idea of …
View article: A Study on the Combustion Performance and Nox Emissions Characteristics of a Novel U-Type Radiant Tube Based on Mild Combustion Theory
A Study on the Combustion Performance and Nox Emissions Characteristics of a Novel U-Type Radiant Tube Based on Mild Combustion Theory Open
View article: The effect of fluid dynamics conditions and combustion reactions on the performance and heat and mass transfer distribution of dual-phase oxygen transport membranes
The effect of fluid dynamics conditions and combustion reactions on the performance and heat and mass transfer distribution of dual-phase oxygen transport membranes Open
A 3-D model based on CFD approach was developed to explore the effect of fluid dynamic conditions and combustion reactions on oxygen transport, in which the distribution of parameters such as oxygen partial pressure, temperature, velocity,…
View article: The effect of Strontium contents on novel MIEC1-MIEC2 dual-phase ceramic-based oxygen transport membranes
The effect of Strontium contents on novel MIEC1-MIEC2 dual-phase ceramic-based oxygen transport membranes Open
Although ceramic-based oxygen transport membranes (OTMs) have irreplaceable advantages over traditional oxygen production technologies, their oxygen permeability and stability need to be further improved. Based on the theoretical starting …
View article: Field- and Current-Driven Magnetic Domain-Wall Inverter and Diode
Field- and Current-Driven Magnetic Domain-Wall Inverter and Diode Open
We investigate the inversion process of magnetic domain walls (DWs)\npropagating through synthetic noncollinear magnetic textures, whereby an\nup/down DW can be transformed into a down/up DW and vice versa. We exploit the\nlateral coupling…
View article: Effects of oxidation on the spin-orbit torques and skyrmionic textures in ultrathin Pt/Co/AlOx heterostructures
Effects of oxidation on the spin-orbit torques and skyrmionic textures in ultrathin Pt/Co/AlOx heterostructures Open
View article: X-ray spectroscopy of current-induced spin-orbit torques and spin accumulation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Pt</mml:mi><mml:mo>/</mml:mo><mml:mn>3</mml:mn><mml:mi>d</mml:mi></mml:mrow></mml:math>-transition-metal bilayers
X-ray spectroscopy of current-induced spin-orbit torques and spin accumulation in -transition-metal bilayers Open
An electric current flowing in Pt, a material with strong spin-orbit coupling, leads to spins accumulating at the interfaces by virtue of the spin Hall effect and interfacial charge-spin conversion. We measure the influence of these interf…
View article: Fabrication, structural and magnetic properties of one-dimensional anti-ferromagnetic FeMn nanostructures
Fabrication, structural and magnetic properties of one-dimensional anti-ferromagnetic FeMn nanostructures Open
FeMn nanowires have been synthesized by employing DC electro-deposition technique provided with constant stirring during the growth. The use of anodic aluminum oxide (AAO) templates made it possible to get well aligned nanowires with avera…
View article: Temperature dependence of shot noise in double barrier magnetic tunnel junctions
Temperature dependence of shot noise in double barrier magnetic tunnel junctions Open
Shot noise reveals spin dependent transport properties in a magnetic tunnel junction. We report measurement of shot noise in CoFeB/MgO/CoFeB/MgO/CoFeB double barrier magnetic tunnel junctions, which shows a strong temperature dependence. T…
View article: Tunneling anisotropic magnetoresistance driven by magnetic phase transition
Tunneling anisotropic magnetoresistance driven by magnetic phase transition Open
View article: Magneto-Optical Detection of the Spin Hall Effect in Pt and W Thin Films
Magneto-Optical Detection of the Spin Hall Effect in Pt and W Thin Films Open
The conversion of charge currents into spin currents in nonmagnetic conductors is a hallmark manifestation of spin-orbit coupling that has important implications for spintronic devices. Here we report the measurement of the interfacial spi…
View article: Spatially and time-resolved magnetization dynamics driven by spin–orbit torques
Spatially and time-resolved magnetization dynamics driven by spin–orbit torques Open