Academic literature on the topic 'Vertical Bloch line'

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Journal articles on the topic "Vertical Bloch line"

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Humphrey, F., and J. Wu. "Vertical bloch line memory." IEEE Transactions on Magnetics 21, no. 5 (September 1985): 1762–66. http://dx.doi.org/10.1109/tmag.1985.1064119.

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Lian, M. R., and F. B. Humphrey. "Observation of vertical Bloch line propagation." Journal of Applied Physics 57, no. 8 (April 15, 1985): 4065–67. http://dx.doi.org/10.1063/1.334673.

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Wu, J. C., R. R. Katti, and H. L. Stadler. "Major line operation in vertical Bloch line memory." Journal of Applied Physics 69, no. 8 (April 15, 1991): 5754–56. http://dx.doi.org/10.1063/1.347911.

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Nakatani, Y., and N. Hayashi. "Three-dimension calculation of vertical Bloch line and Bloch point." IEEE Transactions on Magnetics 24, no. 6 (1988): 3039–41. http://dx.doi.org/10.1109/20.92327.

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Matsutera, H., Y. Hidaka, and H. Gokan. "Vertical Bloch line pair operation by in-plane field for Bloch line memory." IEEE Transactions on Magnetics 22, no. 5 (September 1986): 793–95. http://dx.doi.org/10.1109/tmag.1986.1064548.

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Wu, J. C., R. R. Katti, and H. L. Stadler. "Partial grooving in vertical Bloch line memory." IEEE Transactions on Magnetics 28, no. 5 (September 1992): 2338–40. http://dx.doi.org/10.1109/20.179484.

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Wu, J. C., R. R. Katti, and H. L. Stadler. "Stripe stabilization in vertical Bloch line memory." Journal of Applied Physics 69, no. 8 (April 15, 1991): 5751–53. http://dx.doi.org/10.1063/1.347910.

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Ronan, G., W. Clegg, and S. Konishi. "MATERIAL CONSIDERATION FOR VERTICAL BLOCH LINE MEMORY." Le Journal de Physique Colloques 46, no. C6 (September 1985): C6–127—C6–130. http://dx.doi.org/10.1051/jphyscol:1985622.

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Hasegawa, M., H. Matsutera, K. Moroga, and Y. Hidaka. "Three dimensional computer simulation of vertical Bloch line motion in a Bloch line memory." IEEE Transactions on Magnetics 22, no. 5 (September 1986): 802–4. http://dx.doi.org/10.1109/tmag.1986.1064550.

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Redjdal, M., and F. B. Humphrey. "Simulation of three-dimensional nonperiodic structures of π-vertical Bloch line and 2π-vertical Bloch line in magnetic garnet." Journal of Applied Physics 79, no. 8 (1996): 6464. http://dx.doi.org/10.1063/1.361974.

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Dissertations / Theses on the topic "Vertical Bloch line"

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Jourdan, Thomas. "Approche multiéchelle pour le magnétisme. Application aux hétérogénéités structurales et aux singularités magnétiques." Phd thesis, Université Joseph Fourier (Grenoble), 2008. http://tel.archives-ouvertes.fr/tel-00345621.

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Cette thèse concerne la mise en place de méthodes numériques pour déterminer les configurations magnétiques d'équilibre, et leur utilisation pour des systèmes possédant des hétérogénéités structurales et des singularités magnétiques.

Nous décrivons tout d'abord un algorithme fondé sur une méthode multipolaire rapide et qui permet de calculer efficacement le champ dipolaire dans une assemblée de spins dans le cadre du modèle de Heisenberg classique.

En utilisant ce modèle, nous étudions l'interaction de parois magnétiques avec des défauts structuraux dans des couches minces de FePt. Nous traitons le cas des parois d'antiphase et les micromacles. Nous analysons les valeurs des champs de décrochage des parois magnétiques, notamment en les comparant avec des données expérimentales.

Nous détaillons ensuite une méthode multiéchelle que nous développée. Cette méthode permet, dans un formalisme unifié, de décrire un système avec le modèle de Heisenberg et le modèle micromagnétique.

La dernière partie de cette thèse est consacrée à l'étude de systèmes de grande taille possédant des variations spatiales rapides d'aimantation, en utilisant la méthode multiéchelle : vortex dans un élément magnétique, configurations avec un point de Bloch dans un cube, bulle magnétique dans une couche mince de FePd. Dans ce dernier cas, les résultats sont comparés à des observations récentes par microscopie de Lorentz.
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Books on the topic "Vertical Bloch line"

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Fogarty, Kevin John. Tetsing and analysis of the operation of vertical Bloch line memory devices. Manchester: University of Manchester, 1996.

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Book chapters on the topic "Vertical Bloch line"

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Malavena, Gerardo. "Modeling of GIDL–Assisted Erase in 3–D NAND Flash Memory Arrays and Its Employment in NOR Flash–Based Spiking Neural Networks." In Special Topics in Information Technology, 43–53. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85918-3_4.

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AbstractSince the very first introduction of three-dimensional (3–D) vertical-channel (VC) NAND Flash memory arrays, gate-induced drain leakage (GIDL) current has been suggested as a solution to increase the string channel potential to trigger the erase operation. Thanks to that erase scheme, the memory array can be built directly on the top of a $$n^+$$ n + plate, without requiring any p-doped region to contact the string channel and therefore allowing to simplify the manufacturing process and increase the array integration density. For those reasons, the understanding of the physical phenomena occurring in the string when GIDL is triggered is important for the proper design of the cell structure and of the voltage waveforms adopted during erase. Even though a detailed comprehension of the GIDL phenomenology can be achieved by means of technology computer-aided design (TCAD) simulations, they are usually time and resource consuming, especially when realistic string structures with many word-lines (WLs) are considered. In this chapter, an analysis of the GIDL-assisted erase in 3–D VC nand memory arrays is presented. First, the evolution of the string potential and GIDL current during erase is investigated by means of TCAD simulations; then, a compact model able to reproduce both the string dynamics and the threshold voltage transients with reduced computational effort is presented. The developed compact model is proven to be a valuable tool for the optimization of the array performance during erase assisted by GIDL. Then, the idea of taking advantage of GIDL for the erase operation is exported to the context of spiking neural networks (SNNs) based on NOR Flash memory arrays, which require operational schemes that allow single-cell selectivity during both cell program and cell erase. To overcome the block erase typical of nor Flash memory arrays based on Fowler-Nordheim tunneling, a new erase scheme that triggers GIDL in the NOR Flash cell and exploits hot-hole injection (HHI) at its drain side to accomplish the erase operation is presented. Using that scheme, spike-timing dependent plasticity (STDP) is implemented in a mainstream NOR Flash array and array learning is successfully demonstrated in a prototype SNN. The achieved results represent an important step for the development of large-scale neuromorphic systems based on mature and reliable memory technologies.
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Shishkov, A. G., E. N. Ilicheva, E. V. Kochetkova, and Yu N. Fedyunin. "On the Choice of the Pulse Waveform for Reading without Distortion of the Vertical Bloch Line Information." In January 16, 381–84. De Gruyter, 1990. http://dx.doi.org/10.1515/9783112480809-049.

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Kosinski, R. A. "On the Stabilization of a Vertical Bloch Line Fair in a Domain Wall in an Ion-Implanted Garnet Film." In March 16, 227–32. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112480823-027.

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Kosinski, R. A., and J. Strzeszewski. "Magnetostatic Interactions of Moving Vertical Bloch Lines in a Domain Wall." In February 1, 533–38. De Gruyter, 1986. http://dx.doi.org/10.1515/9783112493182-013.

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Guidicini, Giovanna. "Edinburgh and Venice: Comparing the Evolution in Communal Living in Geographically Challenged Mercantile Communities." In The Architecture of Scotland, 1660-1750, 442–54. Edinburgh University Press, 2020. http://dx.doi.org/10.3366/edinburgh/9781474455268.003.0023.

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Through a comparison with the urban and residential solutions employed in the city of Venice in the period 1500-1780, this chapter provides a reasoned contextualisation of the Scottish tenement within a broader European scenario. In Edinburgh, this typology evolved from organic and self-organised juxtaposition of private and semi-private spaces, vertical accesses, and commercial spaces in the Old Town, to its structured and respectable reinterpretation as New Town building-block. This is in turn compared with the parallel evolution of its Venetian counterpart, the residential and commercial casa fondaco, also an experimentation with and progressive optimisation in the design of compact, high-rise, mixed-use urban dwellings. While Edinburgh embraced expansion and the potential of the tenement model - once regularised and restructured - to offer accommodation in the modern context of the New Town, Venice was unable to transform a way of life bound by the social, economic, and spatial constraints, leading to further fragmentation. The strength of the Scottish tenement model lay in its flexibility rather than in its exceptionality;it celebrates its successful transformation from organic agglomerate to codified, respectable residence - a transformation which, the Venetian case study reveals, is not to be taken for granted.
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Karamitsos, Ioannis, Mohamed Salama, and Mohamed El Gindy. "Blockchain, A Disruptive Technology in the Sustainable Economic System." In Principles of Sustainable Project Management. Goodfellow Publishers, 2018. http://dx.doi.org/10.23912/9781911396857-3962.

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This chapter aims to provide managers in general and project managers in particular with the basic information about one of the most hyped disruptive technology concept in the shared digital economy today: Blockchain. Blockchain and other disruptive technologies such as Internet of Things (IoT), Artificial Intelligence (AI), and Big Data are important disruptive steps that are increasingly relevant when defining and managing projects in the sharing digital business economy. The chapter comprises three main parts. The first part introduces the basic concept of the disruptive technologies in the digital transformation context and the main blocks required for the build of Blockchain framework. The focus is on describing each block in details applicable for any selected platform. The second part of the chapter outlines the concept of the smart contract. The general aim is to provide knowledge with actionable guidelines on how best to implement a smart contract using the Ethereum platform. All the components for the design, deployment, and implementation of decentralized applications (Dapps) are discussed. The final part discusses the benefits of using smart contract on the Blockchain technology and wraps up by two brief illustrative case studies, enlightening project managers about the Blockchain technology applications in different vertical segments; Life Cycle Assessment (LCA) leading to Environmental Product Declaration (EDA) and energy trading in pursuit of sustainable development.
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Conference papers on the topic "Vertical Bloch line"

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Katti, R. R., J. Dooley, and A. Meng. "Partially Grooved Domain Stabilization Structures For Vertical Bloch Line Memory." In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642272.

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Arnaud, L., F. Boileau, L. Zimmermann, and D. Challeton. "Gyrotropic propagation of vertical blockh lines." In International Magnetics Conference. IEEE, 1989. http://dx.doi.org/10.1109/intmag.1989.690381.

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Chetkin, M. V., and Yu N. Kurbatova. "Gyroscopic dynamics and collisions of vertical Bloch lines in orthoferrites." In IEEE International Magnetics Conference. IEEE, 1999. http://dx.doi.org/10.1109/intmag.1999.837786.

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Kosinski, R. A. "Route To Chaos Of domain Wall With Vertical Bloch Lines." In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642501.

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Nakatani, Y., and N. Hayashi. "Computer simulation of annihilation process of verticle bloch line pair." In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642275.

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Logginov, A. S., A. V. Nikolaev, and V. V. Dobrovitski. "Experimental Study Of Vertical Bloch Lines Propagation By In-plane Field Pulses." In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642277.

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Thiaville, A., and J. Miltat. "Direct optical observation of vertical bloch lines in bubble garnets: New experimental evidences." In International Conference on Magnetics. IEEE, 1990. http://dx.doi.org/10.1109/intmag.1990.734277.

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Olzak, Lynn A., and James P. Thomas. "Hyperacuity performance as a function of contrast." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.fv1.

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In many discrimination tasks, performance becomes independent of contrast at very low contrast levels. In this study, we examine performance in a hyperacuity discrimination task (bisection) as a function of contrast level. The stimuli were three parallel vertical lines superimposed on a 34-cd/m2 uniform field. On any given trial, the center line was offset either to the right or to the left by a single fixed distance. The offset was chosen to yield a d' of~1.7 at the highest available contrast level. Observers rated, on a 6-pt. scale, their certainty that the line was offset to the left (a rating of 1) or to the right (a rating of 6). The lines were always brighter than the background and could appear at one of eight contrasts spanning the range from threshold to ~80 %. In any block of 100 trials, only a single contrast value was used. Each day, four contrast levels were run in counterbalanced order. The z transform of the area under the ROC curve was used as a measure of performance and plotted as a function of contrast level. The results provide some information about which spatial frequency components are important in determining performance in the bisection hyperacuity task.
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Daghigh, M., R. T. Paein Koulaei, and M. S. Seif. "Mooring System Design and Optimization for Floating Bridge of Urmia Lake." In ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/omae2002-28343.

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In order to get better understanding on the response of floating bodies, different design aspects of mooring lines has been investigated in this paper. Mooring lines are categerized into two types; the catenary settling on the sea floor (type 1) and the limited one which has no dead-length on sea floor (type 2). It has been observed that the stiffness of both types may be well predicted by Jain’s formulation and in the design process of floating bodies the mooring lines may be replaced by uncoupled horizontal and vertical springs. On the other hand, the anchor capacity against sliding and release from the mean still water has been studied in this paper. From the results of a parametric study, using the discrete element method, the block anchor the dimensions for the Urmia floating bridge has been optimized and the behavior of anchor and seabed deposits for release of block anchor indicates that the burial depth and the stress level on the block anchor itself and the sea bed are in the allowable and elastic region, respectively.
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Yamada, K., and Y. Nakatani. "Excitation of Magnetic Domain Wall Velocity in (Co/Ni) Nanowires Induced by Blocking the Motion of Vertical Bloch Lines." In 2016 International Conference of Asian Union of Magnetics Societies (ICAUMS). IEEE, 2016. http://dx.doi.org/10.1109/icaums.2016.8479732.

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Reports on the topic "Vertical Bloch line"

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Chapman, Ray, Phu Luong, Sung-Chan Kim, and Earl Hayter. Development of three-dimensional wetting and drying algorithm for the Geophysical Scale Transport Multi-Block Hydrodynamic Sediment and Water Quality Transport Modeling System (GSMB). Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41085.

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The Environmental Laboratory (EL) and the Coastal and Hydraulics Laboratory (CHL) have jointly completed a number of large-scale hydrodynamic, sediment and water quality transport studies. EL and CHL have successfully executed these studies utilizing the Geophysical Scale Transport Modeling System (GSMB). The model framework of GSMB is composed of multiple process models as shown in Figure 1. Figure 1 shows that the United States Army Corps of Engineers (USACE) accepted wave, hydrodynamic, sediment and water quality transport models are directly and indirectly linked within the GSMB framework. The components of GSMB are the two-dimensional (2D) deep-water wave action model (WAM) (Komen et al. 1994, Jensen et al. 2012), data from meteorological model (MET) (e.g., Saha et al. 2010 - http://journals.ametsoc.org/doi/pdf/10.1175/2010BAMS3001.1), shallow water wave models (STWAVE) (Smith et al. 1999), Coastal Modeling System wave (CMS-WAVE) (Lin et al. 2008), the large-scale, unstructured two-dimensional Advanced Circulation (2D ADCIRC) hydrodynamic model (http://www.adcirc.org), and the regional scale models, Curvilinear Hydrodynamics in three dimensions-Multi-Block (CH3D-MB) (Luong and Chapman 2009), which is the multi-block (MB) version of Curvilinear Hydrodynamics in three-dimensions-Waterways Experiments Station (CH3D-WES) (Chapman et al. 1996, Chapman et al. 2009), MB CH3D-SEDZLJ sediment transport model (Hayter et al. 2012), and CE-QUAL Management - ICM water quality model (Bunch et al. 2003, Cerco and Cole 1994). Task 1 of the DOER project, “Modeling Transport in Wetting/Drying and Vegetated Regions,” is to implement and test three-dimensional (3D) wetting and drying (W/D) within GSMB. This technical note describes the methods and results of Task 1. The original W/D routines were restricted to a single vertical layer or depth-averaged simulations. In order to retain the required 3D or multi-layer capability of MB-CH3D, a multi-block version with variable block layers was developed (Chapman and Luong 2009). This approach requires a combination of grid decomposition, MB, and Message Passing Interface (MPI) communication (Snir et al. 1998). The MB single layer W/D has demonstrated itself as an effective tool in hyper-tide environments, such as Cook Inlet, Alaska (Hayter et al. 2012). The code modifications, implementation, and testing of a fully 3D W/D are described in the following sections of this technical note.
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