Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Storage01:23

Storage

437
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
437
Phase Diagram01:19

Phase Diagram

7.1K
The phase of a given substance depends on the pressure and temperature. Thus, plots of pressure versus temperature showing the phase in each region provide considerable insights into the thermal properties of substances. Such plots are known as phase diagrams. For instance, in the phase diagram for water (Figure 1), the solid curve boundaries between the phases indicate phase transitions (i.e., temperatures and pressures at which the phases coexist).
7.1K
Phase Transitions02:31

Phase Transitions

23.5K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
23.5K
Phase Diagrams02:39

Phase Diagrams

50.8K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
50.8K
Phase Changes01:19

Phase Changes

5.5K
Phase transitions play an important theoretical and practical role in the study of heat flow. In melting or fusion, a solid turns into a liquid; the opposite process is freezing. In evaporation, a liquid turns into a gas; the opposite process is condensation.
A substance melts or freezes at a temperature called its melting point and boils or condenses at its boiling point. These temperatures depend on pressure. High pressure favors the denser form of the substance, so typically, high pressure...
5.5K
MOS Capacitor01:25

MOS Capacitor

1.6K
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Decreased Hepatocyte Autophagy Leads to Synergistic IL-1β and TNF Mouse Liver Injury and Inflammation.

Hepatology (Baltimore, Md.)·2020
Same author

Long noncoding RNA H19 in the injured dorsal root ganglion contributes to peripheral nerve injury-induced pain hypersensitivity.

Translational perioperative and pain medicine·2020
Same author

Effects of glucose metabolism pathways on nuclear and cytoplasmic maturation of pig oocytes.

Scientific reports·2020
Same author

Enhanced Delivery of Rituximab Into Brain and Lymph Nodes Using Timed-Release Nanocapsules in Non-Human Primates.

Frontiers in immunology·2020
Same author

The Brief Analysis of Peptide-combined Nanoparticle: Nanomedicine's Unique Value.

Current protein & peptide science·2020
Same author

The prognostic value of a seven-lncRNA signature in patients with esophageal squamous cell carcinoma: a lncRNA expression analysis.

Journal of translational medicine·2020

Related Experiment Video

Updated: Feb 26, 2026

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
09:49

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx

Published on: May 13, 2020

4.4K

Application of phase-change materials in memory taxonomy.

Lei Wang1, Liang Tu1, Jing Wen1

  • 1School of Information Engineering, Nanchang HangKong University, Nanchang, P.R. China.

Science and Technology of Advanced Materials
|July 26, 2017
PubMed
Summary

Phase-change materials enable reversible data storage through distinct crystalline and amorphous states. This review explores various phase-change memory devices, from optical discs to nanophotonic applications, highlighting their principles and potential.

Keywords:
201 Electronics / Semiconductor / TCOs40 Optical, magnetic and electronic device materialsPhase-change materialsmemory taxonomynanophotonicoptical discrandom accessscanning probe

More Related Videos

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

8.4K
A Method for Growing Bio-memristors from Slime Mold
07:46

A Method for Growing Bio-memristors from Slime Mold

Published on: November 2, 2017

9.4K

Related Experiment Videos

Last Updated: Feb 26, 2026

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
09:49

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx

Published on: May 13, 2020

4.4K
Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

8.4K
A Method for Growing Bio-memristors from Slime Mold
07:46

A Method for Growing Bio-memristors from Slime Mold

Published on: November 2, 2017

9.4K

Area of Science:

  • Materials Science
  • Electrical Engineering
  • Computer Science

Background:

  • Phase-change materials (PCMs) offer reversible transitions between crystalline and amorphous states.
  • These transitions result in distinct electrical and optical properties, making PCMs suitable for data storage.
  • Current research primarily focuses on phase-change random access memory (PC-RAM), with limited exploration of other applications.

Purpose of the Study:

  • To provide a comprehensive review of phase-change materials and devices for data storage.
  • To elucidate the physical principles underlying various phase-change memory technologies.
  • To categorize phase-change memory devices based on their hierarchical placement and discuss their respective merits and weaknesses.

Main Methods:

  • Literature review and synthesis of existing research on phase-change materials and memory devices.
  • Classification of phase-change memory devices into four categories: optical disc, scanning probe, random access memory, and nanophotonic devices.
  • Analysis of the physical principles, advantages, and disadvantages of each device type for data storage.

Main Results:

  • Phase-change materials exhibit unique properties enabling diverse data storage applications.
  • A hierarchical classification of phase-change memory devices is presented, including optical discs, scanning probe memory, PC-RAM, and nanophotonic devices.
  • The review details the physical principles, current technologies, and future prospects for each category.

Conclusions:

  • Phase-change materials are versatile for data storage, with potential beyond PC-RAM.
  • Understanding the physical principles of different phase-change memory types is crucial for future development.
  • Further research into emerging applications like nanophotonic devices is warranted.