(redirected from Dopants)
Also found in: Medical, Encyclopedia.


A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.


(Chemical Engineering) an element or compound used to dope a semiconductor
[C20: see dope, -ant]


(ˈdoʊ pənt)

an impurity added to a semiconductor to enable it to conduct electricity in either of two different modes.
(dope + -ant]
References in periodicals archive ?
The compound belongs to a newly-introduced class of dopants called dimeric organometallic dopants.
To achieve higher conductivity in ZnO thinfilms, various tetravalent metal dopants such as Tin ([Sn.
I will use an ensemble of spins of bismuth dopants implanted in silicon as a quantum memory.
In order to overcome these difficulties, various dopants have been reported in the literature including Ca, Mn, Ni, Zr etc.
With the continual pressure of keeping up with new dopants, and anticipating the next trends in doping practices, it may now be prudent to create a coordinated approach to face these challenges.
Additionally, the release of dopants from PPy backbone resulted in the passivation in the defect areas improving the corrosion protection ability.
and PCT patent filings incorporates a process of printing dopants image-wise on the surface of a host material plasticized with a very low-glass-transition-temperature (Tg) crosslinkable multifunctional material.
These dopants generate controllable amounts of new luminescence that adds to the intrinsic light-yield response of the host material.
Summary: High polarization power may be achieved by designing dopants with chiral cores having polar functional groups that are conformationally more restricted when confined to the zigzag binding site of the (smectic) SmC host.
Dynamic range enhancing dopants for photopolymeric media are described.
Patent 8,562,870 (October 22, 2013), "Polymer Dopants," lain McCulloch, Martin Heeney, Mark Giles, Maxim Shkunov, Steven Tierney, and Clare Bailey (Merck Patent GmbH, Darmstadt, Germany).
His topics include a classification of dopants for the conjugated polymer, the role of dopants on the conduction of conjugated polymers, some special classes of dopants for conjugated polymers, and recent and future trends of doping in conjugated polymers.