1966
DOI: 10.1103/physrevlett.17.312
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Cited by 385 publications
(133 citation statements)
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“…In general, different host/impurity combinations may be divided into two categories: those that create localized gap states, and those that create only resonant states. For example, a DLS located within the gap and below the conduction band minimum (CBM, "α-type behavior") is created for most 3d impurities in III-V semiconductors [1], nitrogen [2,3,4] and oxygen [3,5] in GaP, oxygen in ZnTe [6,7], hydrogen in MgO [8], or oxygen vacancies in Al 2 O 3 [9]. On the other hand, the DLS is located above the CBM ("β-type behavior") for nitrogen in GaAs [3,4,10], oxygen in ZnS or ZnSe [11], hydrogen in ZnO [12], oxygen vacancies in In 2 O 3 [9], as well as all classic, hydrogenic donors in semiconductors [13].…”
Section: Introductionmentioning
confidence: 99%
“…In general, different host/impurity combinations may be divided into two categories: those that create localized gap states, and those that create only resonant states. For example, a DLS located within the gap and below the conduction band minimum (CBM, "α-type behavior") is created for most 3d impurities in III-V semiconductors [1], nitrogen [2,3,4] and oxygen [3,5] in GaP, oxygen in ZnTe [6,7], hydrogen in MgO [8], or oxygen vacancies in Al 2 O 3 [9]. On the other hand, the DLS is located above the CBM ("β-type behavior") for nitrogen in GaAs [3,4,10], oxygen in ZnS or ZnSe [11], hydrogen in ZnO [12], oxygen vacancies in In 2 O 3 [9], as well as all classic, hydrogenic donors in semiconductors [13].…”
Section: Introductionmentioning
confidence: 99%
“…Характер электронного потенциала в области примеси и ее способность связать тот или иной носитель заряда связаны с различием электроотри-цательностей замещаемого и примесного атомов [9,10]: электроны атома большего радиуса находятся дальше от ядра и притягиваются к нему слабее, чем у изоэлектрон-ного атома меньшего радиуса. В частности, при замене атома селена теллуром в кристалле GaSe ион теллура в силу меньшей электроотрицательности является по-тенциальной ловушкой для дырки.…”
Section: Introductionunclassified
“…For neutral (isoelectronic) impurities the carrier binding must be of a different origin. The appropriate mechanism was proposed by Thomas [6] and may be of identical nature to that responsible for the primary carrier binding in the case of excitons bound on isoelectronic centers [7]. The carrier is trapped by a short-range potential caused either by a difference between the electronegativities of the impurity and the ion for which it substitutes and/or lattice distortion induced by the substitution [8].…”
Section: Carrier Binding By Re and Tm Ionsmentioning
confidence: 99%