Search Results - "Strand, Jack"
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1
On the Structure of Oxygen Deficient Amorphous Oxide Films
Published in Advanced science (01-02-2024)“…Understanding defects in amorphous oxide films and heterostructures is vital to improving performance of microelectronic devices, thin‐film transistors, and…”
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Journal Article -
2
Mechanisms of Oxygen Vacancy Aggregation in SiO2 and HfO2
Published in Frontiers in physics (29-03-2019)“…Dielectric oxide films in electronic devices undergo significant structural changes during device operation under bias. These changes are usually attributed to…”
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Journal Article -
3
Defect creation in amorphous HfO2 facilitated by hole and electron injection
Published in Microelectronic engineering (25-06-2017)“…Using Density Functional Theory (DFT) calculations we modeled the mechanisms of formation of oxygen vacancies and interstitial ions in amorphous HfO2 under…”
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Journal Article -
4
Correlated Defect Creation in HfO2 films
Published in 2018 International Integrated Reliability Workshop (IIRW) (01-10-2018)“…Spatially correlated defect generation process has been proposed to be responsible for TDDB Weibull slope measured in HfO 2 . We investigated possible…”
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Conference Proceeding -
5
Hole trapping in amorphous HfO2 and Al2O3 as a source of positive charging
Published in Microelectronic engineering (25-06-2017)“…Density Functional Theory (DFT) calculations demonstrate that holes can trap in crystalline and amorphous HfO2 and Al2O3 in both single- and bipolaron states…”
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Journal Article -
6
Defect creation in amorphous HfO^sub 2^ facilitated by hole and electron injection
Published in Microelectronic engineering (25-06-2017)“…Using Density Functional Theory (DFT) calculations we modeled the mechanisms of formation of oxygen vacancies and interstitial ions in amorphous HfO2 under…”
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Journal Article -
7
Author Correction: Dielectric breakdown of oxide films in electronic devices
Published in Nature reviews. Materials (30-10-2024)Get full text
Journal Article -
8
Dielectric breakdown of oxide films in electronic devices
Published in Nature reviews. Materials (01-09-2024)“…Dielectric breakdown is a sudden and catastrophic increase in the conductivity of an insulator caused by electrical stress. It is one of the major reliability…”
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Journal Article -
9
Hole trapping in amorphous HfO^sub 2^ and Al^sub 2^O^sub 3^ as a source of positive charging
Published in Microelectronic engineering (25-06-2017)“…Density Functional Theory (DFT) calculations demonstrate that holes can trap in crystalline and amorphous HfO2 and Al2O3 in both single- and bipolaron states…”
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Journal Article -
10
Modeling Degradation and Breakdown in SiO2 and High-k Gate Dielectrics
Published in 2023 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) (27-09-2023)“…We present a multiscale device simulation framework for modeling degradation and breakdown (BD) of gate dielectric stacks. It relies on an accurate,…”
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Conference Proceeding -
11
Towards a Universal Model of Dielectric Breakdown
Published in 2023 IEEE International Reliability Physics Symposium (IRPS) (01-03-2023)“…We present a microscopic breakdown (BD) model in which chemical bonds are weakened by carrier injection and trapping into pre-existing structural defects…”
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Conference Proceeding -
12
Variability sources and reliability of 3D - FeFETs
Published in 2021 IEEE International Reliability Physics Symposium (IRPS) (01-03-2021)“…Discovery of ferroelectricity (FE) in binary oxides enables the advent of FE memories and a plethora of novel CMOS compatible building blocks spanning from the…”
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Conference Proceeding -
13
Structure and mechanisms of formation of point defects in HfO₂, MgO and hexagonal boron nitride
Published 01-01-2019“…In this thesis, density functional theory (DFT) methods are used to model a range of defects and defect processes in three functional dielectric materials:…”
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Dissertation -
14
First principles study on the segregation of metallic solutes and non-metallic impurities in Cu grain boundary
Published 28-11-2023“…In: TMS 2024 153rd Annual Meeting & Exhibition Supplemental Proceedings. TMS 2024. The Minerals, Metals & Materials Series. Springer, Cham Metallic dopants…”
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Journal Article -
15
Variability and disturb sources in ferroelectric 3D NANDs and comparison to Charge-Trap equivalents
Published in 2022 IEEE International Memory Workshop (IMW) (01-05-2022)“…We investigate physical mechanisms driving the retention and disturb of charge-trap (CT) based and ferroelectric-(FE) based 3D NAND string. Combining a…”
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Conference Proceeding