The Fabrication of High-Speed Electronic Devices by Ion-Beam Synthesis of GexSi1-x Strained Layers

1996 ◽  
Vol 438 ◽  
Author(s):  
R. G. Elliman ◽  
H. Jiang ◽  
W. C. Wong ◽  
P. Kringhøj

AbstractGexSi1-x, strained layers can be fabricated by Ge implantation and solid-phase epitaxy and can be used in electronic devices to improve their performance. Several important materials science issues are addressed, including the effect of the strain on solid-phase-epitaxy, the effect of oxidation on the implanted Ge distribution, and the effect of Ge on the oxidation rate of Si. The potential of this process is demonstrated by comparing the performance of metal-oxidesemiconductor field-effect-transistors (MOSFETs) employing ion-beam synthesised GeSi strained layer channel regions with that of Si-only devices.

2007 ◽  
Vol 90 (24) ◽  
pp. 241912 ◽  
Author(s):  
R. Duffy ◽  
M. J. H. Van Dal ◽  
B. J. Pawlak ◽  
M. Kaiser ◽  
R. G. R. Weemaes ◽  
...  

2008 ◽  
Vol 18 (04) ◽  
pp. 913-922 ◽  
Author(s):  
SIDDHARTH RAJAN ◽  
UMESH K. MISHRA ◽  
TOMÁS PALACIOS

This paper provides an overview of recent work and future directions in Gallium Nitride transistor research. We discuss the present status of Ga -polar AlGaN / GaN HEMTs and the innovations that have led to record RF power performance. We describe the development of N -polar AlGaN / GaN HEMTs with microwave power performance comparable with state-of-art Ga -polar AlGaN / GaN HEMTs. Finally we will discuss how GaN -based field effect transistors could be promising for a less obvious application: low-power high-speed digital circuits.


2017 ◽  
Vol 23 (5) ◽  
pp. 916-925
Author(s):  
Pritesh Parikh ◽  
Corey Senowitz ◽  
Don Lyons ◽  
Isabelle Martin ◽  
Ty J. Prosa ◽  
...  

AbstractThe semiconductor industry has seen tremendous progress over the last few decades with continuous reduction in transistor size to improve device performance. Miniaturization of devices has led to changes in the dopants and dielectric layers incorporated. As the gradual shift from two-dimensional metal-oxide semiconductor field-effect transistor to three-dimensional (3D) field-effect transistors (finFETs) occurred, it has become imperative to understand compositional variability with nanoscale spatial resolution. Compositional changes can affect device performance primarily through fluctuations in threshold voltage and channel current density. Traditional techniques such as scanning electron microscope and focused ion beam no longer provide the required resolution to probe the physical structure and chemical composition of individual fins. Hence advanced multimodal characterization approaches are required to better understand electronic devices. Herein, we report the study of 14 nm commercial finFETs using atom probe tomography (APT) and scanning transmission electron microscopy–energy-dispersive X-ray spectroscopy (STEM-EDS). Complimentary compositional maps were obtained using both techniques with analysis of the gate dielectrics and silicon fin. APT additionally provided 3D information and allowed analysis of the distribution of low atomic number dopant elements (e.g., boron), which are elusive when using STEM-EDS.


2010 ◽  
Vol 36 (5) ◽  
pp. 404-407 ◽  
Author(s):  
Yu. Yu. Illarionov ◽  
M. I. Vexler ◽  
S. M. Suturin ◽  
V. V. Fedorov ◽  
N. S. Sokolov

2002 ◽  
Vol 747 ◽  
Author(s):  
K. Nomura ◽  
H. Ohta ◽  
K. Ueda ◽  
T. Kamiya ◽  
M. Hirano ◽  
...  

ABSTRACTTransparent metal-insulator-semiconductor field-effect transistors (MISFETs) were fabricated using a single-crystalline thin film of an n-type transparent oxide semiconductor, a homologous compound InGaO3(ZnO)5, grown by a reactive solid phase epitaxy method. The transparent MISFET exhibited good performances with “normally-off characteristics”, “an on/off current ratio as large as 105” and “insensitivity to visible light”. Field-effect mobility was about 2 cm2(Vs)-1, which is larger than those reported previously for MISFETs fabricated in transparent oxide semiconductors. These improved performance is thought to result from the low defect density and intrinsic-level carrier concentration of the single-crystalline InGaO3(ZnO)5 film.


NANO ◽  
2010 ◽  
Vol 05 (03) ◽  
pp. 161-165 ◽  
Author(s):  
A. BENFDILA ◽  
S. ABBAS ◽  
R. IZQUIERDO ◽  
R. TALMAT ◽  
A. VASEASHTA

Electronic devices based on carbon nanotubes (CNTs) show potential for circuit miniaturization due to their superior electrical characteristics and reduced dimensionality. The CNT field effect transistors (CNFETs) offer breakthrough in miniaturization of various electronic circuits. Investigation of ballistic transport governing the operation of CNFETs is essential for understanding the device's functional behavior. This investigation is focused on a study of current–voltage characteristics of device behavior in hard saturation region. The investigation utilizes a set of current–voltage characteristics obtained on typical devices. This work is an extension of our earlier work describing application of our approach to Si -MOSFET behavior in the saturation region.


Nano Research ◽  
2014 ◽  
Vol 7 (11) ◽  
pp. 1691-1698 ◽  
Author(s):  
Wenqing Li ◽  
Lei Liao ◽  
Xiangheng Xiao ◽  
Xinyue Zhao ◽  
Zhigao Dai ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document