Search or ask a question

What is the definition of phase transformation?

String (computer science)

Nanocrystalline silicon

Crystalline silicon

Best insight from top research papers

Phase transformation refers to the process of changing the phase of a substance, often triggered by altering control parameters like temperature or pressure . This transformation involves molecular reorganization, which takes time and can exhibit dynamic phenomena not accounted for in equilibrium statistical mechanics . In materials like silicon, phase transformations can lead to the formation of metastable phases with unique properties, such as body-centered cubic and rhombohedral phases generated through nanoindentation . In the context of signal processing, phase-based transformations involve modifying signal phases to create a modified string of data for wireless transmission . Moreover, in the design of steels, phase transformation theory is utilized to engineer microstructures with specific phase compositions, like bainitic ferrite and retained austenite, to enhance strength and toughness .

Answers from top 4 papers

PDF

Open Access

More filters

Papers (4)	Insight
Open access•Journal Article•DOI Phase transformation as the single-mode mechanical deformation of silicon Sherman Wong, Bianca Haberl, James Williams, Jodie Bradby - Show less +3 more 25 Jun 2015-Applied Physics Letters 18 Citations	Phase transformation is the single-mode mechanical deformation of silicon, forming metastable phases like bc8 and r8, demonstrated through nanoindentation with minimal damage to surrounding crystal regions.
Patent Phase transformation of repeated signals Songping Wu, Quan Zhou, Manyuan Shen, Hongyuan Zhang, Hui-Ling Lou - Show less +4 more 30 Mar 2015 10 Citations	Phase transformation in the context of the paper refers to modifying phases of data signals for wireless transmission, involving duplication and modification of data strings to generate a transformed signal.
Open access•Proceedings Article•DOI Phase mapping for cardiac unipolar electrograms with neural network instead of phase transformation Konstantin Ushenin, Tatyana B. Nesterova, Dmitry Shmarko, Vladimir Sholokhov - Show less +3 more 21 Nov 2019-arXiv: Signal Processing	Phase transformation in cardiac electrograms involves using a sawtooth signal instead of traditional phase signal, achieved through a phase-like transformation (PLT) using a convolutional neural network trained on electrophysiology data.
Book Chapter•DOI Phase Transformation Kinetics Marc Baus, Carlos Fernández Tejero - Show less +1 more 01 Jan 2021	Phase transformation is the process of changing from one phase to another by adjusting control parameters, involving molecular reorganization that takes finite time, impacting the system's behavior during transition.

My columns

Related Questions

What are the definition of digital transformation?5 answersDigital transformation refers to the process of utilizing digital technologies to innovate and improve business strategies, customer experiences, and operational efficiency. It involves the realignment or investment in advanced technologies and business models to engage digital customers effectively at every touchpoint in the customer experience lifecycle. This evolution is crucial for organizations to remain competitive and adapt to the modern digital age. Examples include the adoption of technologies like cloud services and artificial intelligence to enhance business processes and services. Financial institutions have been pioneers in embracing digital transformation to improve efficiency and performance, especially after events like the global financial crisis and the COVID-19 pandemic.

What is digital transformation definition?4 answersDigital transformation refers to the process of utilizing digital technologies and integrating them into business methods, procedures, and customer experiences to meet the evolving demands of the market. It involves the organizational, operational, and cultural modifications of a business or industry through the integration of digital techniques, competencies, and processes across all stages and functions. The concept of digital transformation encompasses various interpretations, including the introduction of IT into company activities and the natural, evolutionary process of using digital technologies to create value and deliver more efficient services. In the financial sector, digital transformation is seen as a means to enhance efficiency and performance, with the adoption of advanced technologies being crucial for remaining competitive. Digital transformation is also evident in other sectors such as healthcare, stock marketing, and energy, where it has led to innovations like wearable healthcare devices, online banking systems, and the adoption of cloud services and machine learning applications.

What is digital transformation?5 answersDigital transformation refers to the process of using digital technologies to modify and innovate business methods, procedures, and customer experiences to meet the dynamic requirements of the market. It involves organizational, operational, and cultural changes within a business or industry through the integration of digital techniques, competencies, and processes. Digital transformation is driven by emerging technologies and is considered a major force of innovation and disruption in all sectors of society. It empowers organizations to leverage digital technologies to create new value propositions and compete in a dynamic and increasingly competitive digital economy. Successful digital transformation requires a holistic approach that harnesses people, processes, technology, and data to develop new business models and digital ecosystems. It involves transforming mindsets and equipping business leaders and executives with digital competencies to thrive in a rapidly changing digital environment. Overall, digital transformation involves finding and developing new strategies, modernizing information technology, and adapting to the digital age.

What is phase changing materisal?5 answersPhase changing material refers to a substance that can undergo a phase change, such as solid to liquid or liquid to gas, in response to changes in temperature or pressure. These materials have the ability to store and release large amounts of energy during the phase transition process. They are used in various applications, including coal reservoir transformation, hot melt adhesive compositions, camshaft phase changing devices, engine phase changing devices, and phase transition-type semiconductor memory devices. In the context of coal reservoir transformation, phase changing liquids are injected into the reservoir to generate cracks and increase the flow conductivity for improved gas extraction. In hot melt adhesive compositions, microencapsulated organic waxes with specific melting temperatures and latent heat of fusion values are used to enhance the thermal regulatory characteristics of the adhesive. Camshaft and engine phase changing devices utilize hydraulic pressure to change the phase and relative positions of different components. Phase transition-type semiconductor memory devices use a phase transition layer in direct contact with a lower electrode to improve heat efficiency.

What is the definition of angle phase?5 answersThe phase angle is a measurement used to assess body composition, frailty, and prognosis in patients with chronic diseases. It is determined by electrical bioimpedance and is calculated as the arc tangent of the ratio of reactance to resistance. The phase angle reflects cell membrane integrity and function, providing information that other measurement approaches cannot capture. In cancer patients, phase angle has been found to be an independent indicator of prognosis, with values outside the normal range indicating categorical states of frailty and morbidity. In soccer players, the phase angle has been positively correlated with maximum power, indicating a relationship between phase angle and physical performance. Additionally, phase angle has been explored as a tool for monitoring the effectiveness of wound care regimens and assessing overall metabolic health in patients. The association between phase angle and frailty and mortality in the general population is still unknown.

What is waste transformation?3 answersWaste transformation refers to the process of converting waste materials into usable products or energy through various technological methods. This is done to address the environmental problems caused by the increasing generation of waste and to manage waste in an economically viable manner. Different approaches to waste transformation have been explored in the literature. Shen Xianghong et al. proposed a technology for transforming waste rollers in the cement industry by machining and repairing them to meet the requirements of a roller press. D'Angelo Renato et al. developed a process using plasma torches to continuously transform waste while protecting the torches from chemical aggression. Lubomyr Chelyadyn et al. focused on the low-temperature transformation of technogenic waste into long-acting fertilizers, which can reduce their negative impact on the environment. Grau Almirall Josep presented a facility for the transformation of organic waste through pyrolysis, gasification, and condensation processes. Akshey Bhargava et al. discussed various technological options for transforming different types of waste into energy, fuel pellets, compost, and methane gas.

See what other people are reading

What article can support this data?

The data provided in the abstracts aligns with the research findings presented in the article "Bubbles adsorb and transport particulate matter both in industrial and marine systems" by Kyle B. Delwiche et al.. The article discusses the transport of particulate material from sediments to the surface by bubbles in aquatic ecosystems, specifically focusing on the Upper Mystic Lake in MA and an experimental column. It highlights the correlation between the volume of gas bubbles released from sediment and vertical particle transport, emphasizing the origin of particles from sediment rather than the water column. The study also delves into the composition of transported particulate material, including arsenic, chromium, lead, and cyanobacterial cells, showcasing the significance of bubble-facilitated transport in lakes.How to make a data analysis?

To conduct a comprehensive data analysis, one must follow a structured framework. Initially, data needs to be preprocessed to extract relevant variables using various methods like machine learning classifiers or natural language processing. Subsequently, researchers verify data accuracy, apply appropriate analysis procedures, and interpret the findings to derive meaningful insights. Utilizing statistical methods is crucial to make significant statements about the behavior of response variables in experiments. Additionally, employing a data analysis system can aid in acquiring, processing, and storing measurement data for analysis, utilizing machine learning models for efficient processing and retraining based on evaluation results. By following these steps and utilizing available software for quantitative and qualitative analysis, researchers can ensure clean data, derive answers to research questions, and support decision-making processes effectively.Is 20 too low for Typing Performance metric WPM?

A typing performance metric of 20 words per minute (WPM) can be considered low based on various studies. Research has shown that novices using gaze typing achieved speeds ranging from 6.9 to nearly 20 WPM after training sessions with adjustable dwell times. Additionally, studies on text entry with touch screens highlighted significant improvements in typing performance when tactile feedback was incorporated, with participants preferring tactile or aural feedback over visual feedback alone. Furthermore, an experimental study on text input devices emphasized the caution needed when interpreting productivity metrics based on extrapolated data, as they can lead to underestimations of entry speed and overestimations of error rates. Therefore, a WPM of 20 may be considered low compared to the potential speeds achievable with training and optimal feedback mechanisms.Is there a molecular dynamics simulation of hydrogen distribution at the interface due to hydrogenation of silicon oxide?

Molecular dynamics simulations have been utilized to study the distribution of hydrogen at interfaces resulting from hydrogenation processes. Specifically, research has focused on hydrogen behavior at interfaces involving various materials like Ge/Si hetero-structures, SiO2 substrates, and beryllium (Be) and beryllium oxide (BeO) interfaces. These simulations have revealed insights into the trapping of hydrogen atoms at the interfaces, migration patterns influenced by solubility, and the presence of kinetic barriers affecting equilibrium pathways. The studies emphasize the importance of understanding hydrogen distribution at interfaces for applications such as stabilizing structures, etching processes, and predicting fuel retention and permeation in materials.Are there molecular dynamics simulations of hydrogen distribution at the SiOx/Si interface due to hydrogenation treatment?

Molecular dynamics simulations have been utilized to study hydrogen distribution at the SiOx/Si interface due to hydrogenation treatment. These simulations reveal that hydrogen passivation is crucial in the regeneration process, particularly at the Si/SiOx interface. Additionally, simulations demonstrate that hydrogenation at different temperatures affects the distribution of hydrogen atoms in both crystalline and amorphous silicon, with higher temperatures leading to increased hydrogen absorption. Furthermore, simulations show that enhanced oxidation in Si during silicon gate etching is attributed to enhanced O diffusion caused by momentum transfer from energetic H atoms to O atoms, rather than chemical effects like hydrogenation. Molecular dynamics simulations provide valuable insights into the behavior of hydrogen at the SiOx/Si interface under various conditions.Are there any studies on hydrogen distribution at the SiOx/Si interface due to hydrogenation treatment?

Studies have indeed been conducted on hydrogen distribution at the SiOx/Si interface resulting from hydrogenation treatments. Research has explored various materials like NiO, ZnO:Al, and TiOx for hydrogenation purposes in solar cell applications. For instance, NiO synthesized by ALD has shown effective hydrogenation of poly-Si/SiO2 contacts, with some hydrogen effusion issues at around 300 °C. Additionally, ZnO:Al layers with added hydrogen have demonstrated improved cell performance by fixing dangling bonds at the SiOx/substrate interface. Furthermore, hydrogen plasma treatment has been utilized to enhance the passivation performance of TiOx on c-Si, leading to increased carrier lifetime and hydrogen concentration at the TiOx/c-Si interface. These studies collectively highlight the significance of hydrogenation treatments in optimizing the properties of SiOx/Si interfaces in solar cell devices.How to spealling with an object?

To interact effectively with an object, various methods can be employed based on the context. One approach involves analyzing user messages to locate objects and generate corresponding voice messages for broadcasting. Another method includes connecting the object with a manipulator and an input tool to control movement based on internal and external coordinate systems, allowing for precise manipulation. Object manipulation in Embodied AI agents can be enhanced through approaches like m-VOLE, which estimates 3D object locations, aiding in robust manipulation even when objects are not visible. Additionally, interacting with simulated objects involves generating simulations, displaying them on different devices, and interacting with representations for a simulated object interaction experience. Lastly, an object positioning method involves obtaining visual and pressure positions to determine the accurate position of an object, improving positioning accuracy and stability.How do stringed orchestras in music elicit fear and terror?

String orchestras in music can elicit fear and terror due to Musical Performance Anxiety (MPA) experienced by musicians. Research shows a significant relationship between stage anxiety and musical performance, with a high level of anxiety impacting musical performance negatively. Different groups of musicians, including professionals, students, and amateurs, exhibit varying levels of performance anxiety, with professionals showing the lowest levels. Additionally, issues of inequality within music programs, particularly in string education, can exacerbate anxiety among students, especially those from low socioeconomic backgrounds. Novice string student improvisers may also experience anxiety, affecting their confidence and attitude towards performance. Overall, the pressure to perform well, coupled with personal fears and external challenges, can contribute to the fear and terror experienced by string orchestra musicians.What is the recommended method for collecting an environmental sample for resistivity testing?

The recommended method for collecting an environmental sample for resistivity testing involves utilizing an environmental sampling system with a removable collector placed in an aircraft component's passage, designed to mimic corrosion effects on engine parts. Additionally, a non-contact undisturbed contaminated soil resistivity testing device can be employed, which utilizes electromagnetic mutual inductance to sample and measure the resistivity of contaminated soil accurately and non-destructively. Furthermore, calibrating resistivity tools in environments with radio-frequency noise by elevating the tool to reduce ground effects and excluding RF noise from measurements is crucial for accurate calibration. These methods ensure precise and reliable collection of environmental samples for resistivity testing, essential for various applications such as predicting maintenance activity and improving soil conductivity.What are the advantages of a-axis grown YBCO thin films for quantum device applications?

A-axis grown YBCO thin films offer several advantages for quantum device applications. These films exhibit improved electrical properties and crystallinity when deposited on MgO substrates with template layers. Additionally, a-axis oriented films grown at specific temperatures show smooth surfaces, although the interface quality varies. The films also display unique temperature-dependent critical current density behavior, with a characteristic minimum observed in a specific temperature range, indicating stable performance against thermal cycling. Furthermore, YBCO films grown on SrTiO3 substrates with a buffer layer exhibit excellent crystalline quality and high critical current densities, making them suitable for superconducting applications. These combined characteristics make a-axis grown YBCO thin films promising for quantum device technologies.What basic layout type does Apple inc use when manufacturing iPhones?

Apple Inc. utilizes a repetitive focus strategy in manufacturing iPhones, focusing on a specific product type while managing operational activities and aggregate planning. The manufacturing method of an iPhone case involves a bottom plate, panel, and connection zone, with layers glued and sealed for efficient production and enhanced protection. In developing marketing advertising strategies, Apple leverages User Generated Content (UGC) through influencers, endorsements, and positive media reviews, leading to loyal customers and market share growth. Additionally, a semiconductor device layout method involves simplifying processes and improving accuracy through Double Etch Technology (DET) for storage electrode contact hole patterns. This comprehensive approach showcases Apple's commitment to efficient manufacturing processes, innovative marketing strategies, and technological advancements in product development.