Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Switching of BJT

Switching of BJT

Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...

Phase Diagrams

Phase Diagrams

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...

Phase Transitions

Phase Transitions

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...

Protein Complex Assembly

Protein Complex Assembly

Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types. Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
Many viruses self-assemble into a fully functional unit using the infected host cell to...

Inductance: Single-Phase And Three-Phase Line

Inductance: Single-Phase And Three-Phase Line

Understanding the inductance of transmission lines is crucial for efficient design and operation in electrical power systems. This discussion delves into the inductance characteristics of single-phase two-wire and three-phase three-wire transmission lines with equal phase spacing.
Single-Phase Two-Wire Line:
A single-phase line consists of two solid cylindrical conductors, denoted as x and y. Each conductor carries phasor currents ix and iy, respectively. Given that the sum of these currents is...

Capacitance: Single-Phase And Three-Phase Line

Capacitance: Single-Phase And Three-Phase Line

In electrical power systems, understanding the capacitance of transmission lines is fundamental for efficient operation.
Single-Phase Lines
Consider a single-phase, two-wire transmission line with equal phase spacing energized by a voltage source. One conductor carries a uniform positive charge, while the other carries an equal negative charge. The capacitance C of the line can be derived from the voltage V between the conductors. For a one-meter section of the line, the capacitance is given...

You might also read

Related Articles

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

Sort by

Same author

Single-Cell and Spatial Analysis Reveal the Differences Between Left-Sided and Right-Sided Colorectal Cancer.

Cell proliferation·2026

Same author

3D nanoprinting of metals by spatiotemporally confined hot electrons via multiple-electron excitations in nanocrystals.

Nature communications·2026

Same author

Bio-inspired micro-architected mechanochromic materials with radiative signature modulation.

Materials horizons·2026

Same author

COVID-19 vaccination in pregnancy: efficacy of second-generation vaccines, maternal-neonatal safety, and strategies to address vaccine hesitancy.

Frontiers in medicine·2026

Same author

New additions to <i>Sympoventuriaceae</i> (<i>Venturiales</i>, <i>Dothideomycetes</i>): three new species from China.

MycoKeys·2026

Same author

Integrative network toxicology and multi-omics analyses reveal divergent molecular programs underlying pyrethroid-induced ovarian dysfunction.

Environment international·2026

Search research articles

Related Experiment Video

Updated: Feb 14, 2026

Optical Trapping of Nanoparticles

Optical Trapping of Nanoparticles

Published on: January 15, 2013

Programming Nanoparticles in Multiscale: Optically Modulated Assembly and Phase Switching of Silicon Nanoparticle

Letian Wang¹, Yoonsoo Rho¹, Wan Shou²

¹Laser Thermal Laboratory, Department of Mechanical Engineering , University of California , Berkeley , California 94720-1740 , United States.

|February 27, 2018

Summary

Researchers demonstrate precise optical writing of nanoparticle patterns using a nanosecond laser. This method enables tunable nanoparticle arrangements and phase switching for advanced optical devices.

Keywords:

Mie resonance crystallization dewetting laser modulated assembly nanoparticle

More Related Videos

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Published on: May 16, 2025

Related Experiment Videos

Last Updated: Feb 14, 2026

Optical Trapping of Nanoparticles

Optical Trapping of Nanoparticles

Published on: January 15, 2013

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Published on: May 16, 2025

Area of Science:

Nanoscience and Nanotechnology
Materials Science
Photonics

Background:

Optical manipulation of nanoparticles is crucial for advanced electronics and photonics.
Precise control over nanoparticle arrangement, size, and location is challenging.

Purpose of the Study:

To develop a scalable, direct, and optically modulated method for writing nanoparticle patterns.
To investigate laser-induced phase switching in silicon nanoparticles.
To propose a laser-assisted fabrication method for tunable Mie resonator arrays.

Main Methods:

Utilizing a pulsed nanosecond laser for optically modulated writing of nanoparticle patterns.
Modulating nanoparticle arrangement (size, number, location) via laser pulse energy and polarization.
Inducing phase switching from crystalline to amorphous silicon nanoparticles through fast cooling rates.

Main Results:

Achieved high-precision patterning of nanoparticle arrangements with sizes from 60 to 330 nm.
Demonstrated laser-induced phase switching in silicon nanoparticles, altering their dielectric properties.
Proposed a multiscale fabrication method for programmable Mie resonator arrays.

Conclusions:

Programmable light-matter interaction offers a versatile mechanism for fabricating optical metasurfaces.
This technique enables the creation of devices with tunable optical properties, such as structural color and multidimensional optical storage.