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Coupling of plasmon and dipolar modes in a monolayer of MoS2 (CROSBI ID 206089)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bonačić Lošić, Željana Coupling of plasmon and dipolar modes in a monolayer of MoS2 // Modern physics letters B, 28 (2014), 12; 1450099 -1-1450099 -9. doi: 10.1142/S0217984914500997

Podaci o odgovornosti

Bonačić Lošić, Željana

engleski

Coupling of plasmon and dipolar modes in a monolayer of MoS2

The dielectric function of a monolayer of molybdenum disulfide is investigated within the model of two-band metal using the random phase approximation (RPA). The large direct bandgap in a monolayer of MoS2 leads to the appearance of the interband dipolar mode which couples to the intraband plasmon mode. This results in two hybridized modes. The renormalized dipolar mode is close to its bare value, while coupling suppresses the plasmon mode. The obtained modes are responsible for the appearance of dispersing peaks in the energy-loss function.

dielectric function; plasmon; dipolar mode

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Podaci o izdanju

28 (12)

2014.

1450099 -1-1450099 -9

objavljeno

0217-9849

10.1142/S0217984914500997

Povezanost rada

Fizika

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