Quick search Find article
Quick search
Find article

Size-induced crystal field parameter change and tunable infrared luminescence in Ni2+-doped high-gallium nanocrystals embedded glass ceramics

Shifeng Zhou1,2, Nan Jiang3, Huafang Dong4, Heping Zeng4, Jianhua Hao2 and Jianrong Qiu1

Show affiliations


Transparent Ni2+-doped Li2O–Ga2O3–SiO2 glass ceramics (GCs) were prepared and characterized. By controlling the size of the nanocrystals, the infrared luminescence is tunable. It could be ascribed to alteration of the crystal field strength Dq of octahedral Ni2+, which is due to the changes of the lattice parameters. The change in optical signals at telecommunication bands when the seed beam passes through the bulk sample with or without 980 nm excitation was also demonstrated for the first time. The coefficient of the change in optical signals at 1.3 µm is calculated as 0.26 cm−1. The changes in optical signal have shown similar wavelength dependence on the luminescence property.


PACS

78.55.Qr Amorphous materials; glasses and other disordered solids

78.67.Bf Nanocrystals and nanoparticles

84.40.Ua Telecommunications: signal transmission and processing; communication satellites

Subjects

Electronics and devices

Condensed matter: electrical, magnetic and optical

Nanoscale science and low-D systems

Dates

Issue 1 (9 January 2008)

Received 18 September 2007, in final form 24 October 2007

Published 29 November 2007



Related review articles

What's this?
View review articles related to this research to gain an insight into the key trends in this subject area. Related review articles are selected based on PACS/MSC codes, and are no more than three years old.

  1. Discrete breathers and the anomalous decay of luminescence

View by subject




Export








Please login to access our web services, or create an account if you don't yet have one.

You must have cookies enabled in your web browser to be able to login.

Username
Password

Forgotten your password? Get a new one here.