Pregled bibliografske jedinice broj: 600501
High-resolution x-ray absorption studies of core excitons in hexagonal boron nitride
High-resolution x-ray absorption studies of core excitons in hexagonal boron nitride // Applied physics letters, 101 (2012), 191604-1 doi:10.1063/1.4767135 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 600501 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
High-resolution x-ray absorption studies of core excitons in hexagonal boron nitride
Autori
Li, Lu Hua ; Petravić, Mladen ; Cowie, Bruce ; Xing, Tan ; Peter, Robert ; Chen, Ying ; Si, Chen ; Duan, Wenhui
Izvornik
Applied physics letters (0003-6951) 101
(2012);
191604-1
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
NEXAFS; boron nitride; core excitons; vibrational structure
Sažetak
In the K-shell excitation spectroscopy studies of hexagonal boron nitride, a sharp * resonance at 192.0 eV in the B K-edge region due to the B 1s–* transition has been widely observed and accepted for three decades. However, our high-resolution near- edge xray absorption fine-structure studies disclose that this characteristic exciton peak actually consists of an asymmetric double-peak structure. Notable differences have been revealed in the polarization character of the two split peaks. These fine structures are explained by the coupling of core excitons to lattice vibrations with the inclusion of Jahn- Teller effect which breaks down Franck-Condon principle.
Izvorni jezik
Engleski
Znanstvena područja
Fizika
POVEZANOST RADA
Projekti:
316-0982886-0542 - Istraživanje dušikovih defekata u složenim poluvodičkim spojevima (Petravić, Mladen, MZOS ) ( CroRIS)
Ustanove:
Sveučilište u Rijeci - Odjel za fiziku
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
