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Tesis sobre el tema "CBRAM"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 25 de mayo de 2024

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1

Saadi, Mohamed. "Etude des mécanismes de commutation de résistance dans des dispositifs Métal (Ag) / Isolant (HfO2) / Métal, application aux mémoires résistives à pont conducteur (CBRAMs)." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT021/document.

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Actuellement, l'étude et le développement d'oxydes à commutation de résistance pour des dispositifs mémoires (Resistive RAM, ou ReRAM) constituent un domaine d'activité intense sur le plan international. Les ReRAMs sont des structures MIM (Métal-Isolant-Métal) dont la résistance peut être modulée par l’application d’une tension. A ce jour, les mécanismes qui régissent la transition de résistance dans les dispositfs ReRAM sont toujours l’objet de débats. Le travail développé dans cette thèse représente une contribution au développement des mémoires ReRAM à base de HfO2. Nous nous intéressons pl
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2

Nail, Cécile. "Etude de mémoire non-volatile hybride CBRAM OXRAM pour faible consommation et forte fiabilité." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT010/document.

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À mesure que les technologies de l'information (IT) continuent de croître, les dispositifs mémoires doivent évoluer pour répondre aux exigences du marché informatique. De nos jours, de nouvelles technologies émergent et entrent sur le marché. La mémoire Resistive Random Access Memory (RRAM) fait partie de ces dispositifs émergents et offre de grands avantages en termes de consommation d'énergie, de performances, de densité et la possibilité d'être intégrés en back-end. Cependant, pour être compétitif, certains problèmes doivent encore être surmontés en particulier en ce qui concerne la variabi
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3

Alfaro, robayo Diego. "Mémoires resistives pour applications Storage Class Memory (SCM)." Thesis, Université Grenoble Alpes, 2020. https://tel.archives-ouvertes.fr/tel-03103308.

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Dans les architectures classiques dites de Von-Neumann pour des systèmes d'information, les blocs de mémoire et de traitement sont séparés. Pour le premier, les temps d'accès sont beaucoup plus importants. Afin d'optimiser les performances, une hiérarchie de mémoire a été mise en place. Elle combine des technologies coûteuses, de petite taille, mais très performantes en termes de vitesse; avec d'autres plus larges, à bas coûts per bit, mais plus lentes. Dans une telle hiérarchie, un gap important existe en termes de temps d'accès et capacité de stockage entre les blocs de mémoire les plus bas
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4

Kazar, Mendes Munique. "X-ray photoelectron spectroscopy investigations of resistive switching in Te-based CBRAMs." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS285/document.

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Les mémoires à pont conducteur (CBRAM) sont une option actuellement étudiée pour la prochaine génération de mémoires non volatiles. Le stockage des données est basé sur la commutation de la résistivité entre les états de résistance élevée (HRS) et faible (LRS). Sous polarisation électrique, on suppose qu'un trajet conducteur est créé par la diffusion des ions de l'électrode active dans l'électrolyte solide. Récemment, une attention particulière a été portée sur les dispositifs contenant un élément semi-conducteur tel que le tellure, fonctionnant avec des courants réduits et présentant moins de
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5

Rebora, Charles. "Développement de matrices mémoires non-volatiles sur support flexible pour les circuits électroniques imprimés." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0643.

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Le marché de l’électronique flexible devrait atteindre un chiffre d’affaire de plus de 10 milliards de dollars à l’horizon 2020. La réalisation de circuits dotés de flexibilité mécanique accompagnera l’essor de nouvelles applications liées à l’internet des objets ou à l’électronique grande surface. Après la logique, la mémoire est un organe fondamental de tout système électronique. Dans cette thèse, nous nous sommes intéressés au développement de mémoires non-volatiles de type CBRAM (Conductive Bridge Random Acces Memory) pour les applications électroniques flexibles. Ces mémoires possèdent un
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6

Liaw, Corvin [Verfasser]. "Investigation of a New Memory Technology : The Conductive Bridging Random Access Memory Technology (CBRAM) / Corvin Liaw." Aachen : Shaker, 2007. http://d-nb.info/1164339516/34.

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7

Longnos, Florian. "Etude et optimisation des performances électriques et de la fiabilité de mémoires résistives à pont conducteur à base de chalcogénure/Ag ou d'oxyde métallique/Cu." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT046.

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Les mémoires non-volatiles sont devenues récemment un moteur clé de la croissance du secteur des semiconducteurs, et constituent un pivot pour les nouvelles applications et les nouveaux concepts dans le domaine des technologies de l'information et de la communication (TIC). Afin de surmonter les limites en termes de miniaturisation, de consommation électrique et de complexité de fabrication des mémoires non-volatiles à grille flottante (FLASH), l'industrie des semiconducteurs évalue actuellement des solutions alternatives. Parmi celles-ci, les mémoires résistives à pont conducteur ou CBRAM (Co
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8

Guy, Jérémy. "Evaluation des performances des mémoires CBRAM (Conductive bridge memory) afin d’optimiser les empilements technologiques et les solutions d’intégration." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT127/document.

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Ces dernières décennies, la constante évolution des besoins de stockage de données a mené à un bouleversement du paysage technologique qui s’est complètement métamorphosé et réinventé. Depuis les débuts du stockage magnétique jusqu’aux plus récents dispositifs fondés sur l’électronique dit d’état solide, la densité de bits stockés continue d’augmenter vers ce qui semble du point de vue du consommateur comme des capacités de stockage et des performances infinies. Cependant, derrière chaque transition et évolution des technologies de stockage se cachent des limitations en termes de densité et pe
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9

Methapettyparambu, purushothama Jayakrishnan. "Nouvelle génération de dispositifs hyperfréquences passifs reconfigurables électroniquement basés sur la technologie de commutation CBRAM non volatile." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT086.

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Cette thèse présente une nouvelle génération de dispositifs hyperfréquences passifs, reconfigurables électroniquement, basés sur la technologie de commutation ‘Conductive Bridging Random Access Random'(CBRAM). Le travail présenté dans cette thèse a pour objectif de s’affranchir du principal inconvénient des dispositifs hyperfréquences entièrement passifs (ne nécessitant pas de batterie pour fonctionner), à savoir la reconfigurabilité électronique. En effet, sur les dispositifs radiofréquences classiques, cette fonctionnalité repose sur l'utilisation de composants de commutation plus ou moins e
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10

Palma, Giorgio. "Nouvelles Architectures Hybrides : Logique / Mémoires Non-Volatiles et technologies associées." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00951384.

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Les nouvelles approches de technologies mémoires permettront une intégration dite back-end, où les cellules élémentaires de stockage seront fabriquées lors des dernières étapes de réalisation à grande échelle du circuit. Ces approches innovantes sont souvent basées sur l'utilisation de matériaux actifs présentant deux états de résistance distincts. Le passage d'un état à l'autre est contrôlé en courant ou en tension donnant lieu à une caractéristique I-V hystérétique. Nos mémoires résistives sont composées d'argent en métal électrochimiquement actif et de sulfure amorphe agissant comme électro
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11

Onkaraiah, Santhosh. "Modélisation et conception de circuits à base de mémoires non-volatiles résistives innovantes." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4759.

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Les limites rencontrées par les dernières générations de mémoires Flash et DRAM (Dynamic Random Access Memory) nécessitent la recherche de nouvelles variables physiques (autres que la charge et la tension), de nouveaux dispositifs ainsi que de nouvelles architectures de circuits. Plusieurs dispositifs à résistance variable sont très prometteurs. Parmi eux, les OxRRAMs (Oxide Resistive Random Access Memory) et les CBRAMs (Conductive Bridge Random Access Memory) sont de sérieux candidats pour la prochaine génération de mémoire dense. Ce travail se concentre donc sur le rôle des mémoires résistiv
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12

Barci, Marinela. "Caractérisation électrique et optimisation technologique des mémoires résistives Conductive Bridge Memory (CBRAM) afin d’optimiser la performance, la vitesse et la fiabilité." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAT022/document.

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La technologie Flash arrive à ses limites de miniaturisation. Ainsi, la nécessité de nouvelles technologies mémoire augmente. Les candidats au remplacement des mémoires Flash sont les technologies non volatiles émergentes comme les mémoires à pont conducteur (CBRAM), résistives à base d'oxyde (RRAM), mémoires magnétiques (MRAM) et mémoires à changement de phase (PCRAM). En particulier, les mémoires CBRAM sont basées sur structure simple métal-isolant-métal (MIM) et présentent plusieurs avantages par rapport aux autres technologies. La CBRAM est non volatile, à savoir qu'elle garde l’informatio
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13

Ali, Rizwan. "Resistive Switching in Porous Low-k Dielectrics." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83462.

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Integrating nanometer-sized pores into low-k ILD films is one of the approaches to lower the RC signal delay and thus help sustain the continued scaling of microelectronic devices. While increasing porosity of porous dielectrics lowers the dielectric constant (k), it also creates many reliability and implementation issues. One of the problems is the little understood metal ion diffusion and drift in porous media. Here, we present a rigorous simulation method of Cu diffusion based on Master equation with elementary jump probabilities within the contiguous dielectric film, along the pore boundar
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14

Prasai, Kiran. "Gap Engineering and Simulation of Advanced Materials." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1503393620371266.

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15

Rebora, Charles. "Développement de matrices mémoires non-volatiles sur support flexible pour les circuits électroniques imprimés." Electronic Thesis or Diss., Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0643.

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Le marché de l’électronique flexible devrait atteindre un chiffre d’affaire de plus de 10 milliards de dollars à l’horizon 2020. La réalisation de circuits dotés de flexibilité mécanique accompagnera l’essor de nouvelles applications liées à l’internet des objets ou à l’électronique grande surface. Après la logique, la mémoire est un organe fondamental de tout système électronique. Dans cette thèse, nous nous sommes intéressés au développement de mémoires non-volatiles de type CBRAM (Conductive Bridge Random Acces Memory) pour les applications électroniques flexibles. Ces mémoires possèdent un
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16

Sundararajan, Mayur. "Amorphous Semiconductors: From Photocatalyst to Computer Memory." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1490967991624172.

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17

Mahato, Prabir. "Study and development of resistive memories for flexible electronic applications." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI134.

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L’avènement de l’électronique flexible a entraîné des recherches rapides sur des capteurs, des dispositifs bio-implantables et portables pour l’évaluation de maladies telles que l’épilepsie, la maladie de Parkinson et les crises cardiaques. Les dispositifs de mémoire sont des composants majeurs dans tous les circuits électroniques, uniquement secondaires aux transistors, par conséquent de nombreux efforts de recherche sont consacrés au développement de dispositifs de mémoire flexibles. Les mémoires à accès aléatoire à pont conducteur (CBRAM) basées sur la création / dissolution d'un filament m
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18

Cardoza, Yanet. "An Exploration of Teachers' Adoption of the Bring Your Own Technology Program." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc283863/.

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The purpose of this study was to explore teachers' concerns, use, and actual practices in their adoption of the bring your own technology (BYOT) initiative. Twelve secondary teachers in a private school setting participated in this study. The participants represented all content areas including reading, math, science, and electives. The private school was in its third year of implementing BYOT. This case study incorporated multiple methods to collect data to gain a better understanding of teachers' adoption of an innovation, BYOT. The concerns-based adoption model (CBAM) was used as a the
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19

Suri, Manan. "Technologies émergentes de mémoire résistive pour les systèmes et application neuromorphique." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00935190.

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La recherche dans le domaine de l'informatique neuro-inspirée suscite beaucoup d'intérêt depuis quelques années. Avec des applications potentielles dans des domaines tels que le traitement de données à grande échelle, la robotique ou encore les systèmes autonomes intelligents pour ne citer qu'eux, des paradigmes de calcul bio-inspirés sont étudies pour la prochaine génération solutions informatiques (post-Moore, non-Von Neumann) ultra-basse consommation. Dans ce travail, nous discutons les rôles que les différentes technologies de mémoire résistive non-volatiles émergentes (RRAM), notamment (i
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20

Mayfield, Melissa J. "Instructional Coaching in a Small District: A Mixed Methods Study of Teachers' Concerns." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc955060/.

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This study utilized a convergent parallel mixed methods design to study teachers' concerns during implementation of instructional coaching for math in a rural PK-12 district in north Texas over a three-year time period. Five campuses were included in the study: one high school (grades 9-12), one middle school (grades 6-8), and three elementary campuses (pre-kindergarten through grade 5). In a school district of 3,400 students and 241 teachers, fifty-two math teachers were surveyed and interviewed for their perceptions and concerns during implementation of instructional math coaching in order t
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21

Hu, Xuanlu. "ICT Integration in the New Arts Curriculum: Queensland Music Teachers' Perceptions." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/370436.

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The aim of this research is to understand Queensland secondary school music teachers’ beliefs about technology integration and the Information and Communication Technology (ICT) component in the recently introduced Australian Curriculum: The Arts-Music. Previous research on technology integration indicated that many teachers might be reluctant to use technology resources in music teaching or have misunderstandings about technology integration. Moreover, some studies assumed many music teachers have negative attitudes towards the Australian Curriculum. It is imperative to understand teachers' b
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22

Hwu, Shih-Hsung. "Concerns and professional development needs of university faculty in adopting online learning." Diss., Kansas State University, 2011. http://hdl.handle.net/2097/13129.

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Doctor of Philosophy<br>Curriculum and Instruction<br>Rosemary Talab<br>The purpose of this mixed methods study was to explore concerns and professional development needs of faculty at the University Alaska Fairbanks (UAF) on the adoption of online learning (OL). This study was also in response to Title 24 of the Alaska Statute’s Recommendation #3, which required sufficient faculty training in distance education technologies for teaching UAF distance courses. This study utilized the Concerns Based Adoption Model (CBAM) as its theoretical framework. A mixed methods design was used to address
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Omar, Saud. "Concerns and professional development needs of faculty at King Saud University in Saudi Arabia in adopting online teaching." Diss., Kansas State University, 2016. http://hdl.handle.net/2097/32853.

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Doctor of Philosophy<br>Curriculum and Instruction Programs<br>Rosemary S. Talab<br>With the number of students at King Saud University exceeding 60,000, the university faces a need to adopt online teaching. The purpose of this study was to investigate the concerns of the faculty in the nine departments of the College of Education at King Saud University regarding the adoption of online teaching and to relate their concerns to their professional development needs. The Concerns-Based Adoption Model (CBAM) was utilized as a theoretical framework, and a non-experimental, cross-sectional surv
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24

Isbell, Laura J. "Secondary Teachers’ Concerns about Response to Intervention: Using the Concerns-Based Adoption Model." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc271832/.

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This case study addressed the problem of implementing response to intervention (RTI) in general secondary education. To investigate this problem, one north Texas school's RTI implementation was examined using the theoretical framework of the concerns-based adoption model (CBAM) and defining RTI as the innovation. RTI-related practices were studied for 10 secondary teachers, two from each core subject (i.e., mathematics, English language arts, science, and social studies) and the fine arts who had been implementing RTI for several years. Data regarding participants' stages of concern about a
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25

Chia, Steven Puay Chong. "An investigation into student and teacher perceptions of, and attitudes towards, the use of information communications technologies to support digital forms of summative performance assessment in the applied information technology and engineering studies courses in Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2016. https://ro.ecu.edu.au/theses/1806.

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This study investigated the connections between teachers’ and students’ perceptions of, and attitudes towards, the use of Information and Communications Technologies (ICT) to support assessment in senior secondary courses in Western Australia, and the feasibility of such support in various forms. This investigation focused on the main characteristics of these perceptions, and attitudes and their relationships with curriculum, pedagogy, assessment and ICT. The findings provide guidelines for educators in using ICT to support summative performance assessment. My study was part of the main resear
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Doughney, John F. "The relationship of teacher efficacy to teacher concerns and job-embedded professional development." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9107/.

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As educators search for ways of improving student achievement, it is imperative that focus be placed on teacher learning and development. Currently, the trend in public schools throughout the country is to look directly at students and the deficits they bring to the learning environment when responding to those who find fault with the educational system. The current study directed attention to teachers' beliefs about their ability to affect change in student learning. The study centered on seven research questions that sought to determine: (1) the effect of job-embedded staff development on te
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27

Giorgobiani, Ioseb. "Optimální modelování nýtového spoje pomocí metody konečných prvků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417911.

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Diplomová práce je zaměřena na optimální modelování nýtového spoje pro tři různé konfigurace pomocí metody konečných prvků v programu MSC. Nastran/Patran. Na základě prezentovaných výsledků je možné virtuálně simulovat chování nýtových spojů při zatížení, za účelem správného návrhu před provedením statických pevnostních zkoušek. Použitím těchto MKP simulací v procesu certifikace výrobku lze významně redukovat časovou i finanční náročnost pevnostních zkoušek. Při lepším porozumění chování konstrukce lze také lépe predikovat reálnou únosnost nýtových spojů.
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Fields, Melanie. "Transfer From a UTeach Replication Site to the Classroom: A Study of First and Second Year Instructional Practices." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc799531/.

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Concerns based adoption model (CBAM) instruments were used to examine instructional practices of six graduates from a highly stylized, inquiry-based secondary math and science preparation program. Teachers were in the first or second years of teaching mathematics in six different secondary settings, ranging from poverty to wealthy schools. CBAM assumptions were tested. The primary assumption about concerns was that new teachers’ highest concerns would be within the self and task dimensions. According to Hall and Hord, it was assumed that the levels of use are typically in the orientation and p
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29

Pepe, Theresa Marie. "Teacher Perceptions and Attitudes of Classroom Technology Integration Related to iPad Training." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/1913.

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While professional development on the use of technology in the classroom aids educators to implement new teaching strategies, little is known about teachers' concerns with professional development specifically for adopting mobile technologies like iPads in their classrooms. The purpose of this study was to discover teachers' attitudes and perceptions toward teacher training for integration of the iPad into their classroom instruction. Using a case study approach and the concerns-based adoption model as a framework, this study examined teachers' concerns about their training for using the iPads
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Thankachan, Briju. "Concerns of Teachers: Information and Communication Technology (ICT)-Enabled Instruction in Kerala, India." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1385465581.

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Incerti, Federica. "Preservice Teachers’ Perceptions of Artificial Intelligence Tutors for Learning." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1585088861453228.

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"STDP Implementation Using CBRAM Devices in CMOS." Master's thesis, 2015. http://hdl.handle.net/2286/R.I.34779.

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abstract: Alternative computation based on neural systems on a nanoscale device are of increasing interest because of the massive parallelism and scalability they provide. Neural based computation systems also offer defect finding and self healing capabilities. Traditional Von Neumann based architectures (which separate the memory and computation units) inherently suffer from the Von Neumann bottleneck whereby the processor is limited by the number of instructions it fetches. The clock driven based Von Neumann computer survived because of technology scaling. However as transistor scaling is sl
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33

Chang, Hsiang-Yu, and 張翔喻. "Investigation on Resistive Switching Characteristics of CBRAM and T-RRAM Using High-k Materials." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/rs9mz6.

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"VerilogA Modelling of Programmable Metallization Cells." Master's thesis, 2014. http://hdl.handle.net/2286/R.I.25806.

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abstract: There is an ever growing need for larger memories which are reliable and fast. New technologies to implement non-volatile memories which are large, fast, compact and cost-efficient are being studied extensively. One of the most promising technologies being developed is the resistive RAM (ReRAM). In ReRAM the resistance of the device varies with the voltage applied across it. Programmable metallization cells (PMC) is one of the devices belonging to this category of non-volatile memories. In order to advance the development of these devices, there is a need to develop simulation model
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35

"Kinetics of Programmable Metallization Cell Memory." Doctoral diss., 2011. http://hdl.handle.net/2286/R.I.8848.

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abstract: Programmable Metallization Cell (PMC) technology has been shown to possess the necessary qualities for it to be considered as a leading contender for the next generation memory. These qualities include high speed and endurance, extreme scalability, ease of fabrication, ultra low power operation, and perhaps most importantly ease of integration with the CMOS back end of line (BEOL) process flow. One area where detailed study is lacking is the reliability of PMC devices. In previous reliability work, the low and high resistance states were monitored for periods of hours to days without
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"Simulation Models for Programmable Metallization Cells." Master's thesis, 2013. http://hdl.handle.net/2286/R.I.20882.

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abstract: Advances in software and applications continue to demand advances in memory. The ideal memory would be non-volatile and have maximal capacity, speed, retention time, endurance, and radiation hardness while also having minimal physical size, energy usage, and cost. The programmable metallization cell (PMC) is an emerging memory technology that is likely to surpass flash memory in all the listed ideal memory characteristics. A comprehensive physics-based model is needed to fully understand PMC operation and aid in design optimization. With the intent of advancing the PMC modeling effor
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37

"Space Radiation Effects in Conductive Bridging Random Access Memory." Doctoral diss., 2018. http://hdl.handle.net/2286/R.I.51683.

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abstract: This work investigates the effects of ionizing radiation and displacement damage on the retention of state, DC programming, and neuromorphic pulsed programming of Ag-Ge30Se70 conductive bridging random access memory (CBRAM) devices. The results show that CBRAM devices are susceptible to both environments. An observable degradation in electrical response due to total ionizing dose (TID) is shown during neuromorphic pulsed programming at TID below 1 Mrad using Cobalt-60. DC cycling in a 14 MeV neutron environment showed a collapse of the high resistance state (HRS) and low resistance s
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"Cu-Silica Based Programmable Metallization Cell: Fabrication, Characterization and Applications." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.44992.

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abstract: The Programmable Metallization Cell (PMC) is a novel solid-state resistive switching technology. It has a simple metal-insulator-metal “MIM” structure with one metal being electrochemically active (Cu) and the other one being inert (Pt or W), an insulating film (silica) acts as solid electrolyte for ion transport is sandwiched between these two electrodes. PMC’s resistance can be altered by an external electrical stimulus. The change of resistance is attributed to the formation or dissolution of Cu metal filament(s) within the silica layer which is associated with electrochemical red
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39

"Resistance Switching in Chalcogenide based Programmable Metallization Cells (PMC) and Sensors under Gamma-Rays." Doctoral diss., 2013. http://hdl.handle.net/2286/R.I.20918.

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abstract: Chalcogenide glass (ChG) materials have gained wide attention because of their applications in conductive bridge random access memory (CBRAM), phase change memories (PC-RAM), optical rewritable disks (CD-RW and DVD-RW), microelectromechanical systems (MEMS), microfluidics, and optical communications. One of the significant properties of ChG materials is the change in the resistivity of the material when a metal such as Ag or Cu is added to it by diffusion. This study demonstrates the potential radiation-sensing capabilities of two metal/chalcogenide glass device configurations. Later
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40

"Static Behavior of Chalcogenide Based Programmable Metallization Cells." Master's thesis, 2014. http://hdl.handle.net/2286/R.I.25917.

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abstract: Nonvolatile memory (NVM) technologies have been an integral part of electronic systems for the past 30 years. The ideal non-volatile memory have minimal physical size, energy usage, and cost while having maximal speed, capacity, retention time, and radiation hardness. A promising candidate for next-generation memory is ion-conducting bridging RAM which is referred to as programmable metallization cell (PMC), conductive bridge RAM (CBRAM), or electrochemical metallization memory (ECM), which is likely to surpass flash memory in all the ideal memory characteristics. A comprehensive phy
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41

"Programmable Metallization Cell Devices for Flexible Electronics." Doctoral diss., 2011. http://hdl.handle.net/2286/R.I.9513.

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abstract: Programmable metallization cell (PMC) technology is based on an electrochemical phenomenon in which a metallic electrodeposit can be grown or dissolved between two electrodes depending on the voltage applied between them. Devices based on this phenomenon exhibit a unique, self-healing property, as a broken metallic structure can be healed by applying an appropriate voltage between the two broken ends. This work explores methods of fabricating interconnects and switches based on PMC technology on flexible substrates. The objective was the evaluation of the feasibility of using this te
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42

"Multilevel Resistance Programming in Conductive Bridge Resistive Memory." Doctoral diss., 2015. http://hdl.handle.net/2286/R.I.36417.

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abstract: This work focuses on the existence of multiple resistance states in a type of emerging non-volatile resistive memory device known commonly as Programmable Metallization Cell (PMC) or Conductive Bridge Random Access Memory (CBRAM), which can be important for applications such as multi-bit memory as well as non-volatile logic and neuromorphic computing. First, experimental data from small signal, quasi-static and pulsed mode electrical characterization of such devices are presented which clearly demonstrate the inherent multi-level resistance programmability property in CBRAM devices.
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43

"Characterization of Copper-doped Silicon Dioxide Programmable Metallization Cells." Doctoral diss., 2011. http://hdl.handle.net/2286/R.I.8900.

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abstract: Programmable Metallization Cell (PMC) is a resistance-switching device based on migration of nanoscale quantities of cations in a solid electrolyte and formation of a conducting electrodeposit by the reductions of these cations. This dissertation presents electrical characterization results on Cu-SiO2 based PMC devices, which due to the na- ture of materials can be easily integrated into the current Complimentary metal oxide semiconductor (CMOS) process line. Device structures representing individual mem- ory cells based on W bottom electrode and n-type Si bottom electrode were fabri
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44

Lee, Hung-Shan, and 李弘善. "Using Concerns-Based Adoption Model (CBAM) to Interpret How Teachers Implement Marine Education: A Case Study." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/s6f74c.

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博士<br>國立臺灣師範大學<br>科學教育研究所<br>106<br>In Taiwan, marine education has been a crucial agenda addressed in elementary and secondary school curricula. Yet, most teachers lack related content knowledge and are unfamiliar with the pedagogies. Consequently, there is an urgent need for the intervention of a knowledge broker who could bridge the gap between theory and practice. A professional development program was designed in this case study to meet this need. The program was designed under the framework of Concerns-Based Adoption Model (CBAM), which can be used to probe educational innovations. The k
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45

Goulden, Wendy D. "Teacher Reactions to the Implementation of Full Day Kindergarten." Thesis, 2012. http://hdl.handle.net/1807/33651.

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Traditionally, kindergarten programs have been offered in various ways across the province of Ontario (e.g., half day every day; all day, alternate day). Starting in 2010, the Ontario Ministry of Education began implementing full day, every day kindergarten in all publically funded schools. This large-scale innovation has resulted in a number of important changes. The kindergarten teacher is experiencing a variety of these changes. This qualitative study focuses on reactions and concerns of kindergarten teachers as they begin to implement full day kindergarten. Semi-structured interviews and c
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46

Yeh, Hao-Po, and 葉晧博. "Action Research for efficacy of the inclusive process in elementary school based on Concern-Based Adoption Model(CBAM)." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/6sjew3.

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碩士<br>國立東華大學<br>特殊教育學系<br>100<br>This research, based on Concern-Based Adoption Model (CBAM), focused on the efficacy of inclusive education of regular classes in the elementary school, and the stages of concern and level of use with teachers in regular classes. This research designed by action research and taken in three stages. First, the researcher invited the evaluation team and probed in the first time in order to understand the style of the inclusive education, and compiling the main problem of implementing inclusive education. Second, the researcher explored and analyzed two study
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47

Branco, Telmo Paiva. "Análise e mitigação do risco associado às infraestruturas de telecomunicações críticas de suporte à rede nacional de distribuição de eletricidade : uma visão baseada no redesenho da sua estratégia de manutenção : estágio na EDP distribuição." Master's thesis, 2015. http://hdl.handle.net/10400.26/16705.

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Este Relatório de Estágio apresenta uma análise e mitigação do risco envolvendo equipamentos de telecomunicações, considerados como críticos para a rede de distribuição elétrica portuguesa. Baseado numa avaliação da condição e do risco, foi criada uma estratégia de manutenção para reduzir o impacto e a probabilidade de falha dos equipamentos PDH, SDH, VHF, Microondas, Ethernet/IP e Fibra Ótica, que em conjunto representam a rede privativa de telecomunicações da EDP Distribuição (EDPD). A política Condition Based Risk Maintenance (CBRM) foi fundamental para atingir este objetivo e ofereceu as f
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48

"The Effect of Change Facilitation Coaching Using the Concerns-Based Adoption Model With an Urban Elementary School Teacher-leadership Team." Doctoral diss., 2014. http://hdl.handle.net/2286/R.I.24935.

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abstract: Public demands for accountability and educational change are at an all-time high. No Child Left Behind set the stage for public accountability of educators and the recently created Race to the Top grant raised the stakes of public school accountability even more with the creation of national standards and assessments as well as public accountability of individual teacher performance based on student test scores. This high-stakes context has placed pressure on local schools to change their instructional practices rapidly to ensure students are learning what they need to in order to pe
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49

Ferland, Annie. "Le téléenseignement avec la vidéoconférence et le développement professionnel d’enseignants du collégial." Thèse, 2013. http://hdl.handle.net/1866/10986.

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Beaucoup de cégeps voient leurs programmes techniques menacés à cause de la baisse démographique et de l’exode des jeunes. Cette situation est directement reliée à l’offre de formation : 46,1 % ont dû quitter leur région, car le programme d’études choisi n’y était pas offert. C’est en Gaspésie-Îles-de-la-Madeleine que pourrait s’effectuer la plus importante chute de clientèle, soit une baisse de plus de 40 % par rapport à l’effectif observé à l’automne 2008 (Bezy, 2011). Ce constat amène aussi son lot de questions quant au développement professionnel des enseignants. Un projet novateur se réal
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"Implementing a Standards-Based Teacher Evaluation System: Learning Experiences for Administrators in an Urban School District." Doctoral diss., 2012. http://hdl.handle.net/2286/R.I.14542.

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abstract: Policymakers at the national level have recently initiated K-12 education reforms focused on teacher quality and teacher evaluation. Far-reaching legislation was subsequently enacted in the state of Arizona requiring schools to adopt standards-based teacher evaluation systems and link them to student outcomes. The end product is to result in annual summative measures of teacher effectiveness. Because of this, Arizona school administrators have become concerned about rapidly becoming experts in high-stakes teacher evaluation. Principals rarely have time to come together to talk about
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