built-in potential barrier

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• barrier — 01. The U.S. and Mexico are meeting today in an attempt to remove some [barriers] to trade between the two countries. 02. The police finally had to put up a [barrier] in the middle of the street in order to stop a teenager who had been speeding… …   Grammatical examples in English

• United States–Mexico barrier — The United States ndash;Mexico barrier, also known as the Texas border wall or Texas border fence is actually several separation barriers designed to prevent illegal movement across the U.S. Mexico border. The barriers were built as part of two… …   Wikipedia

• Mexico–United States barrier — Fence barrier on the international bridge near McAllen, TX …   Wikipedia

• Israeli West Bank barrier — The Israeli West Bank barrier is a barrier being constructed by Israel consisting of a network of fences with vehicle barrier trenches surrounded by an on average 60 meters wide exclusion area (90%) and up to 8 meters high concrete walls… …   Wikipedia

• Thames Barrier — The Thames Barrier is a flood control structure on the River Thames, constructed between 1974 and 1984 at Woolwich Reach, and first used defensively in 1983. [ [http://ukpress.google.com/article/ALeqM5iu3JoAPQtQUYiBZLr0rUBYn2XJgQ Press… …   Wikipedia

• Chemical potential — Chemical potential, symbolized by μ, is a measure first described by the American engineer, chemist and mathematical physicist Josiah Willard Gibbs. It is the potential that a substance has to produce in order to alter a system.[1] In broadest… …   Wikipedia

• Sound barrier — In aerodynamics, the sound barrier usually refers to the point at which an aircraft moves from transonic to supersonic speed. The term came into use during World War II when a number of aircraft started to encounter the effects of compressibility …   Wikipedia

• Drain Induced Barrier Lowering — As channel length decreases, the barrier φB to be surmounted by an electron from the source on its way to the drain reduces Drain induced barrier lowering or DIBL is a secondary effect in MOSFETs referring originally to a reduction of threshold… …   Wikipedia

• Bulkhead (barrier) — A bulkhead is a retaining wall, such as a bulkhead within a ship or a watershed retaining wall. It may also be used in mines, to contain flooding. Certain bulkheads, e.g., at the Hudson River are of historical and architectural value.Coastal… …   Wikipedia

• Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… …   Wikipedia

• Ohmic contact — An ohmic contact is a region on a semiconductor device that has been prepared so that the current voltage (I V) curve of the device is linear and symmetric. If the I V characteristic is non linear and asymmetric, the contact is not ohmic, but is… …   Wikipedia