1984
DOI: 10.1063/1.94981
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Cd1−xMnxTe-CdTe multilayers grown by molecular beam epitaxy

Abstract: Single-crystal multilayers of the dilute magnetic semiconductor Cd1−x Mnx Te (x∼0.2) alternating with CdTe have been successfully grown for the first time using the molecular beam epitaxy technique. Four sets of superlattices have been prepared consisting of 14, 60, 90, and 240 double layers of average thickness 460, 140, 75, and 37 Å, respectively. Each set consists of two samples grown simultaneously using 7×15×1-mm thick (0001) sapphire substrates onto which 5.0-μm-thick CdTe buffer layers were first deposi… Show more

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Cited by 129 publications
(6 citation statements)
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“…The successful preparation of superlattices and the consequent extension of the study of DMS to the two-dimensional regime represents one of the most exciting recent developments in the area of DMS and presents a whole new set of challenges and opportunities. [1][2][3][4][5] In this letter we report, what we believe to be, the first successful fabrication and characterization of diluted magnetic semiconductor clusters confined in all three dimensions, i.e. DMS quantum dots.…”
mentioning
confidence: 99%
“…The successful preparation of superlattices and the consequent extension of the study of DMS to the two-dimensional regime represents one of the most exciting recent developments in the area of DMS and presents a whole new set of challenges and opportunities. [1][2][3][4][5] In this letter we report, what we believe to be, the first successful fabrication and characterization of diluted magnetic semiconductor clusters confined in all three dimensions, i.e. DMS quantum dots.…”
mentioning
confidence: 99%
“…exchange bias, EB) kommen, bei der die magnetische Hysteresekurve aus einer zum Nullpunkt symmetrischen Position entlang der Magnetfeldachse verschoben vorliegt. Die Multilagensysteme werden für gewöhnlich mithilfe von Methoden der Gasphasenabscheidung wie der Kathodenzerstäubung [38,39] oder der Molekularstrahlepitaxie [40,41] [45]. Dieser Forschungsbeitrag verfolgt das Ziel, das Prinzip der Herstellung magnetischer Kompositschichten durch einen Vergleich mit Bariumferrit-Eisenoxid-Kompositen breiter darzustellen sowie für beide Systeme die gesamte Prozesskette ganzheitlich von der Partikelsynthese bis zur Schichtherstellung und -charakterisierung zu diskutieren.…”
Section: Introductionunclassified
“…exchange bias , EB) kommen, bei der die magnetische Hysteresekurve aus einer zum Nullpunkt symmetrischen Position entlang der Magnetfeldachse verschoben vorliegt. Die Multilagensysteme werden für gewöhnlich mithilfe von Methoden der Gasphasenabscheidung wie der Kathodenzerstäubung , oder der Molekularstrahlepitaxie , erzeugt. Eine vielversprechende Alternative, die eine künftig wesentlich flexiblere und kostengünstige Herstellung erlauben würde, ist die gezielte Kombination vorgefertigter nanopartikulärer Materialien zu magnetischen Nanokomposit‐Schichten.…”
Section: Introductionunclassified
“…This opened up the field to a large variety of combinations of semiconductors, and also made it possible to take advantage of the influence of strain on the band structure to produce interesting phenomena [34]. The third development had to do with the introduction of special materials to the field of quantum structures, such as the semimagnetic or diluted magnetic semiconductor [35]. The magnetic exchange interaction resulted in significant observations of dimensional crossover of phase transitions and spin polarization and relaxation dynamics [36,37].…”
mentioning
confidence: 99%