Giant nonlinear absorption in the NiO antiferromagnet

A study of the spectrum of nonlinear two-photon and two-step absorption in NiO single crystals, carried out in the energy region ℏω1 + ℏω2 = 2.45–4.575 eV, showed it to have a complex shape and consist of very strong peaks (from 0.05 to 2.7 cm/MW). Within the energy interval 2.45–3.3 eV, the spectru...

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Veröffentlicht in:	Physics of the solid state 2003-09, Vol.45 (9), p.1742-1745
Hauptverfasser:	Shablaev, S. I., Pisarev, R. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Antiferromagnetism Conduction bands Nickel oxides Single crystals
Online-Zugang:	Volltext
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