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Updated: Jul 20, 2026

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
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Published on: December 7, 2015

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在局部探头操纵下碳纳米管的可逆电机学特性

Tombler1, Zhou, Alexseyev

  • 1Department of Chemistry, Stanford University, California 94305, USA.

Nature
|June 24, 2000
PubMed
概括

机械变形显著影响单壁碳纳米管 (SWNTs),降低它们的电导率. 这项研究揭示了原子力显微镜操纵如何导致由于sp3键形成的可逆变化.

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Force On A Current Loop In A Magnetic Field01:17

Force On A Current Loop In A Magnetic Field

Magnetic forces on wires carrying current are most frequently applied in motors. A DC motor is a device that converts electrical energy into mechanical work. In motors, wire loops are enclosed in a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate. The direction of the current is reversed once the loop's surface area is lined up with the magnetic field, causing a constant torque on the loop. During the process, commutators...
Torque On A Current Loop In A Magnetic Field01:13

Torque On A Current Loop In A Magnetic Field

The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...