Diamagnetic shift of the A free exciton in CuGaSe2 single crystals | Zendy

F. Luckert | Zendy; М. V. Yakushev | Zendy; C. Faugeras | Zendy; A. V. Karotki | Zendy; А. В. Мудрый | Zendy; Robert Martin | Zendy

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Diamagnetic shift of the A free exciton in CuGaSe2 single crystals

Author(s) -

F. Luckert,

М. V. Yakushev,

C. Faugeras,

A. V. Karotki,

А. В. Мудрый,

Robert Martin

Publication year - 2010

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3502608

Subject(s) - bohr radius , diamagnetism , exciton , reduced mass , bohr model , effective mass (spring–mass system) , free electron model , magnetic field , atomic physics , chemistry , radius , binding energy , electron , condensed matter physics , physics , nuclear physics , quantum mechanics , computer security , computer science

Single crystals of CuGaSe2 were studied using magnetophotoluminescence inmagnetic fields up to 20 T at 4.2 K. The rate of the diamagnetic shift in the A free exciton peak was determined to be 9.82 x 10(-6) eV/T-2. This rate was used to calculate the reduced mass as 0.115m(0), the binding energy as 12.9 meV, the Bohr radius as 5.1 nm and an effective hole mass of 0.64m(0) (m(0) is the free electron mass) of the free A exciton using a low-field perturbation approach and the hydrogenic model

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