Temperature-Enhanced Exciton Emission from GaAs Cone–Shell Quantum Dots [PDF]
Nanomaterials, 2023 The temperature-dependent intensities of the exciton (X) and biexciton (XX) peaks from single GaAs cone–shell quantum dots (QDs) are studied with micro photoluminescence (PL) at varied excitation power and QD size.
Christian Heyn +4 more
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Analysis of the operating parameters in a Stirling cryocooler [PDF]
E3S Web of Conferences, 2021 In this work, the results obtained in different tests performed on a Stirling cryocooler are shows, as well as a comparative analysis of these results with different load pressures.
Maldonado Aguilar Diego José +3 more
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Effect of gas flow rate on the gas-lubricated piston in a stirling cryocooler [PDF]
Scientific ReportsUsing gas-lubricated pistons in Stirling cryocooler can reduce wear between the piston and cylinder, enhancing equipment reliability. This paper proposes a locally porous media-type gas-lubricated piston and investigates the regulatory effects of porous ...
Dandan Lei +5 more
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Thermal stability of emission from single InGaAs/GaAs quantum dots at the telecom O-band [PDF]
Scientific Reports, 2020 Single-photon sources are key building blocks in most of the emerging secure telecommunication and quantum information processing schemes. Semiconductor quantum dots (QD) have been proven to be the most prospective candidates.
Paweł Holewa +8 more
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Numerical investigation of a rotary-integral miniature Stirling cryocooler with variable cylinder angle [PDF]
Scientific ReportsThis paper investigates the performance of a miniature rotary-integral Stirling cryocooler with variable cylinder angle using a validated thermodynamic model.
Jhen-Syuan Huang
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Upscaling of thermoacoustic-Stirling duplex cryocoolers based on resonance tube coupling [PDF]
iScienceSummary: To address the critical need for energy-efficient and environmentally sustainable cooling technologies, the thermoacoustic-Stirling duplex cryocooler (TSDC) offers a promising solution due to its high efficiency and versatile applications ...
Liping Wei +6 more
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Study on the impedance characteristics of a high-capacity pulse tube cryocooler
Energy Reports, 2022 Stirling-type pulse tube cryocoolers are used in many applications such as military facilities, aerospace devices and superconductive systems. A major problem in improving its energy conversion efficiency is how to achieve a better impedance matching. In
Xiaokuan You +4 more
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Appendix gap losses in Stirling engines – review of recent findings [PDF]
E3S Web of Conferences, 2021 The appendix gap loss in Stirling cycle machines is generated by the annular gap around the thermally insulating, thin-walled dome typically attached to a piston or displacer plunging into the hot cylinder volume of an engine or the cold volume of a ...
Kühl Hans-Detlev, Sauer Jan
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Thermal Design of a Protomodel Space Infrared Cryogenic System [PDF]
Journal of Astronomy and Space Sciences, 2006 A Protomodel Space Infrared Cryogenic System (PSICS) cooled by a stirling cryocooler has been designed. The PSICS has an IR sensor inside the cold box which is cooled by a stirling cryocooler with refrigeration capacity of 500mW at 80K in a vacuum vessel.
Hyung Suk Yang +6 more
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Junction temperature of CMOS electronics cooled by a Stirling cryocooler
Case Studies in Thermal Engineering, 2023 This case study addresses the practical challenges associated with operating cryo-CMOS electronics. Previous research has been largely confined to impractical liquid cryogen cooling and the few under-reported examples of implementing electric cryocoolers.
Dmitry Smirnov +2 more
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