Magnetoresistance of n -type quantum dot solids

Solid films of n -type Mn 2 + ∕ Cd Se colloidal quantum dots show a positive magnetoresistance. At 0.3 K the film resistance is increased by up to 150% at 10 T . The variable range hopping model quantitatively accounts for the magnetoresistance at low field.

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Bibliographic Details
Published in:Applied physics letters 2006-02, Vol.88 (7), p.072504-072504-3
Main Authors: Yu, Dong, Wehrenberg, Brian L., Yang, Inseok, Kang, Woowon, Guyot-Sionnest, Philippe
Format: Article
Language:English
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Description
Summary:Solid films of n -type Mn 2 + ∕ Cd Se colloidal quantum dots show a positive magnetoresistance. At 0.3 K the film resistance is increased by up to 150% at 10 T . The variable range hopping model quantitatively accounts for the magnetoresistance at low field.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2174089