Effect of the location of Mn2+ ions in the optical and magnetic properties of ZnO nanocrystals

EA Batista, ACA Silva, TK de Lima… - Journal of Alloys and …, 2021 - Elsevier
Intrinsically stable metal oxide systems, such as nanosized zinc oxide (ZnO), offer an ideal
template for the production of transition metal (TM)-doped structures or diluted magnetic …

Evidence of formation of diluted magnetic semiconductor Sn1-xMnxTe quantum dots in glass matrix

ÉV Guimarães, CAA Vasconcelos, RS Silva… - Physica B: Condensed …, 2023 - Elsevier
In the current study, we work to acquire quantum dots from manganese-doped tin telluride
(SnTe). Diluted Magnetic Semiconductor Sn 1-x Mn x Te QDs were successfully synthesized …

Optical, morphological and thermal investigation of Cu doped ternary semiconducting (Cd1-xZnxS: Cu) nanomaterials

DS Ahlawat, I Yadav - Optical Materials, 2021 - Elsevier
Cd 1-x Zn x S: Cu (x≤ 1) nanomaterials have been synthesized successfully using chemical
co− precipitation method. The EDX spectrum shows successful doping of Cu in the lattice of …

A bright blue-shifted emission from Mn2+-doped CdS quantum dots

D Sun, H Zhong, X Yao, Y Chang, Y Zhao, Y Jiang - Materials Letters, 2014 - Elsevier
Abstract In this letter, Mn 2+-doped CdS quantum dots were successfully synthesized with
stearic acid as the stabilizer by a nucleation-doping method. Generally, Mn 2+-doped …

Investigations on the defect structures for Mn2+ in CdSe nanocrystals and bulk materials and the criterion of occupation for Mn2+ in CdX (X = S, Se, Te) …

GL Li, SY Wu, KM Fan - Magnetic Resonance in Chemistry, 2024 - Wiley Online Library
The spin Hamiltonian parameters and defect structures are theoretically studied for the
substitutional Mn2+ at the core of CdSe nanocrystals and in the bulk materials from the …

Cd1− xMnxTe ultrasmall quantum dots growth in a silicate glass matrix by the fusion method

NO Dantas, G de Lima Fernandes, O Baffa… - Applied Physics …, 2014 - pubs.aip.org
In this study, we synthesized Cd 1− x Mn x Te ultrasmall quantum dots (USQDs) in SiO 2-Na
2 CO 3-Al 2 O 3-B 2 O 3 glass system using the fusion method. Growth of these Cd 1− x Mn x …

Controlling Densities of Manganese Ions and Cadmium Vacancies in Cd1–xMnxTe Ultrasmall Quantum Dots in a Glass Matrix: x-Concentration and Thermal …

NO Dantas, GL Fernandes, O Baffa… - The Journal of …, 2015 - ACS Publications
In this work, we used nominal concentration (x) and thermal annealing to control the density
of manganese (Mn2+) ions and cadmium vacancies (VCds) in Cd1–x Mn x Te ultrasmall …

Weak ferromagnetism in Mn2+ doped Bi2Te3 nanocrystals grown in glass matrix

RS Silva, AJ Gualdi, FL Zabotto, NF Cano… - Journal of Alloys and …, 2017 - Elsevier
We observed weak ferromagnetism in Bi 2− x Mn x Te 3 nanocrystals grown in a glass
matrix. Magnetization measurements at 5 K showed an increase in the coercive field that …

Tailoring optical properties of thermally stable Cd1−xZnxS:Cu, Mn quantum dots

I Yadav, DS Ahlawat, A Singh, SP Rathee… - Indian Journal of …, 2024 - Springer
Copper and manganese co-doped Cd1− xZnxS (x≤ 1) quantum dots have been
synthesized successfully using chemical co-precipitation method. XRD results confirm that …

Controlling the growth of ultrasmall CdTe quantum dots and the diffusion of cadmium vacancies: Thermal annealing

NO Dantas, GL Fernandes, ACA Silva - Journal of Alloys and Compounds, 2015 - Elsevier
Abstract Ultrasmall CdTe quantum dots (USQDs) were successfully grown in a silicate glass
matrix by fusion and after thermal annealing. Growth control of USQDs was investigated by …