Effect of indium content in the channel on the electrical performance of metamorphic high electron mobility transistors

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|
作者
Idham, Norman Fadhil M. [1 ]
Ismat, Ahmad A. I. [1 ]
Rasidah, S. [1 ]
Asban, D. [1 ]
Mohamed Razman, Y. [1 ]
Abdul Fatah, A. M. [1 ]
机构
[1] Univ Putra Malaysia, MTDC,Idea Tower, Telekom Res & Dev Sdn Bhd, Technol Incubat Ctr 1, Serdang 43400, Selangor, Malaysia
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TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Metamorphic InAIAs/InGaAs High Electron Mobility Transistors (HEMT) has demonstrated several advantages over Pseudomorphic-HEMT on GaAs and Lattice Matched-HEMT on InP substrate. The high Indium content of the channel (50%) lattice matched to the substrate is the key factor behind the superior Metamorphic HEMT performance. Metamorphic HEMT allows a flexible range of InGaAs channel compositions from 30% to 80% (based on the applications) [1] on a compositionally graded buffer. Commercially available TCAD is used to simulate the Metamorphic HEMT to study the effect of varying Indium % in the channel layer on the electrical characteristics of the device.
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页码:743 / +
页数:3
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