2007
DOI: 10.1007/s10854-007-9337-y
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Atomic layer deposition of hafnium oxide dielectrics on silicon and germanium substrates

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Cited by 21 publications
(20 citation statements)
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“…Similar deviation is seen for Silicon nanowires with SNAP [Heath 2008]. Atomic Layer Deposition for gate oxide formation has been shown to have spatial variability as low as σ=1% [McNeill et al 2007].…”
Section: Device Parametersupporting
confidence: 57%
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“…Similar deviation is seen for Silicon nanowires with SNAP [Heath 2008]. Atomic Layer Deposition for gate oxide formation has been shown to have spatial variability as low as σ=1% [McNeill et al 2007].…”
Section: Device Parametersupporting
confidence: 57%
“…5 Furthermore, physical parameters are expected to be uncorrelated since they would be influenced by separate process steps. For example, the gate oxide may be created using Atomic Layer Deposition (ALD) [McNeill et al 2007;Ritala and Leskela 2004]. There is no dependence of this parameter on any other process step.…”
Section: Device Parametermentioning
confidence: 99%
“…This correspondence is possible because: 1) spatially correlated or "systematic" behavior is well-known for several parameters (e.g., gate oxide [20], transistor channel and gate linewidth [21]); and 2) the uniform array-based organization of these fabrics with identical devices and no arbitrary sizing or doping implies that sensor circuits designed using the same devices and circuit/logic styles can be representative of the fabric as a whole. In this sensor design, signal fall times are used to extract the extent of physical parameter variations for different spatially correlated parameters.…”
Section: Introductionmentioning
confidence: 99%
“…This implies that at the circuit level, the channel and gate diameters of all transistors along a same nanowire will be systematically affected. On the other hand, Atomic-Layer Deposition (ALD) is a process step commonly used for creating HfO 2 gate and bottom dielectric that also exhibits strong spatial correlation [20].…”
Section: Introductionmentioning
confidence: 99%
“…For Si-based devices, the main focus has been on HfCl 4 as Hf source, but promising results have been reported on the use of TEMAH for the growth of HfO 2 on Ge. [8][9][10][11][12] Because of the low vapor pressure of the TEMAH precursor, Ar was used as carrier gas. All experiments were carried out at a substrate temperature of 200°C.…”
mentioning
confidence: 99%