Browsing by Author "Youssef, Khaled M."
Now showing items 1-8 of 8
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The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n-type Bi2Te2.7Se0.3
El-Makaty, Farah M.; Pothuvattil, Nandagopal S.; Hamouda, Abdelmagid; Youssef, Khaled M. ( Springer Nature , 2022 , Article)Even though bismuth telluride is frequently produced by mechanical alloying for thermoelectric materials, no data has been published addressing the thermal behavior and activation energy of the milled n-type Bi2Te2.7Se0.3 ... -
The effect of graphene structural integrity on the power factor of tin selenide nanocomposite
Manal, Alsalama; Hamoudi, Hicham; Youssef, Khaled M. ( Elsevier , 2021 , Article)Tin selenide graphene nanocomposites (SnSe/GNPs) were fabricated with high-energy ball milling and hot pressing by varying the milling time of graphene. The effect of ball milling time on the graphene integrity and the ... -
The effects of structural integrity of graphene on the thermoelectric properties of the n-type bismuth-telluride alloy
Farah M., El-Makaty; Andre Mkhoyan, K.; Youssef, Khaled M. ( Elsevier , 2021 , Article)This study examines the effects of the structural integrity of graphene on the thermoelectric properties of n-type bismuth telluride alloy. Graphene/Bi2Te2.7Se0.3 composites were prepared via mechanical alloying and spark ... -
Experimental and modeling analysis of p-type Bi0.4Sb1.6Te3 and graphene nanocomposites
Aicha S., Lemine; El-Makaty, Farah M.; Al-Ghanim, Hana A.; Youssef, Khaled M. ( Elsevier , 2022 , Article)The state-of-the-art Bismuth-Telluride (Bi2Te3) based systems are promising thermoelectric materials for efficient thermoelectric applications. In this study, the effect of graphene nanosheets (GNS) integrity on thermoelectric ... -
Impact of Prolonged Exposure to Sour Service on the Mechanical Properties and Corrosion Mechanism of NACE Carbon Steel Material Used in Wet Sour Gas Multiphase Pipeline
Yadav, Manoj; Sliem, Mostafa H.; Abdullah, Aboubakr M.; Youssef, Khaled M.; Al-Qahtani, Noora H. ( MDPI , 2022 , Article)The oil and gas industry is involved with severe corrosive/sour environmental conditions due to H2S, CO2, and moisture content. The National Association of Corrosion Engineers (NACE) has developed standards to enable users ... -
In-situ growth of single-crystal plasmonic aluminum–lithium-graphene nanosheets with a hexagonal platelet-like morphology using ball-milling
Sara I., Ahmad; Hamoudi, Hicham; Ponraj, Janarthanan; Youssef, Khaled M. ( Elsevier , 2021 , Article)Metal-graphene nanocomposites and plasmonic metal nanoparticles are two nanoscience fields of a rapidly growing interest due to their potential in advanced applications. In this study, we combine both fields by synthesizing ... -
Review: The effect of different nanofiller materials on the thermoelectric behavior of bismuth telluride
Farah M., El-Makaty; Ahmed, Hira Khalil; Youssef, Khaled M. ( Elsevier , 2021 , Article Review)This review paper summarizes and discusses the effect of nanosized fillers on bismuth telluride nanocomposites for thermoelectric applications. Classified into various dimensions based on electron confinement in space, the ... -
Tunable metal contacts at layered black-arsenic/metal interface forming during metal deposition for device fabrication
Kundu, Subhajit; Golani, Prafful; Yun, Hwanhui; Guo, Silu; Youssef, Khaled M.; Koester, Steven J.; Mkhoyan, K. Andre... more authors ... less authors ( Nature Research , 2022 , Article)Understanding the kinetics of interfacial reaction in the deposition of metal contacts on 2D materials is important for determining the level of contact tenability and the nature of the contact itself. Here, we find that ...