Application of Positron Beams to the Investigation of Memristive Materials and Diluted Magnetic Semiconductors

Magnetic Semiconductors ◽

General Introduction ◽

Spin Electronics ◽

Positron Beams ◽

Diluted Magnetic ◽

Expected Benefits ◽

Ongoing Project

After a general introduction to the field of resistive switching and spin electronics and the role of defects therein, recent investigations on the above mentioned topics including positron beams are reviewed. An ongoing project at the Helmholtz Centre Dresden-Rossendorf to further extend such investigations is briefly outlined and expected benefits are mentioned.

Role of excited states in the dynamics of excitons and their spins in diluted magnetic semiconductors

Physical Review B ◽

10.1103/physrevb.99.195309 ◽

2019 ◽

Vol 99 (19) ◽

Author(s):

F. Ungar ◽

M. Cygorek ◽

V. M. Axt

Keyword(s):

Excited States ◽

Magnetic Semiconductors ◽

The role of anomalous Hall effect in diluted magnetic semiconductors and oxides

Applied Physics Letters ◽

10.1063/1.3431294 ◽

2010 ◽

Vol 96 (24) ◽

pp. 242507 ◽

Cited By ~ 13

Author(s):

H. S. Hsu ◽

C. P. Lin ◽

S. J. Sun ◽

H. Chou

Keyword(s):

Hall Effect ◽

Magnetic Semiconductors ◽

Anomalous Hall Effect ◽

Role of correlation and exchange for quasiparticle spectra of magnetic and diluted magnetic semiconductors

Physica B Condensed Matter ◽

10.1016/j.physb.2004.11.071 ◽

2005 ◽

Vol 355 (1-4) ◽

pp. 318-340 ◽

Cited By ~ 5

Author(s):

A.L. Kuzemsky

Keyword(s):

Magnetic Semiconductors ◽

Crossover from impurity to valence band in diluted magnetic semiconductors: Role of Coulomb attraction by acceptors

Physical Review B ◽

10.1103/physrevb.76.085206 ◽

2007 ◽

Vol 76 (8) ◽

Cited By ~ 12

Author(s):

F. Popescu ◽

C. Şen ◽

E. Dagotto ◽

A. Moreo

Keyword(s):

Valence Band ◽

Magnetic Semiconductors ◽

Diluted Magnetic ◽

Coulomb Attraction

Role of Mn/Cr dual-doped ZnO nanoparticles of diluted magnetic semiconductors: influence on structural and electrical properties

Applied Physics A ◽

10.1007/s00339-021-05056-w ◽

2021 ◽

Vol 127 (12) ◽

Author(s):

S. Ibrahim ◽

Reham M. M. Morsi ◽

S. M. Abo-Naf

Keyword(s):

Electrical Properties ◽

Zno Nanoparticles ◽

Magnetic Semiconductors ◽

Structural And Electrical Properties ◽

Doped Zno ◽

Role of oxygen vacancies in V-doped ZnO diluted magnetic semiconductors

Journal of Materials Science Materials in Electronics ◽

10.1007/s10854-015-2707-y ◽

2015 ◽

Vol 26 (4) ◽

pp. 2466-2470 ◽

Cited By ~ 7

Author(s):

Hongbo Liu ◽

Yang Liu ◽

Lili Yang ◽

Zhenguo Chen ◽

Huilian Liu ◽

...

Keyword(s):

Oxygen Vacancies ◽

Magnetic Semiconductors ◽

Doped Zno ◽

Correlated Doping in Semiconductors: the Role of Donors in III-V Diluted Magnetic Semiconductors

Acta Physica Polonica A ◽

10.12693/aphyspola.102.673 ◽

2002 ◽

Vol 102 (4-5) ◽

pp. 673-678 ◽

Cited By ~ 12

Author(s):

J. Mašek ◽

I. Turek ◽

V. Drchal ◽

J. Kudrnovský ◽

F. Máca

Keyword(s):

Magnetic Semiconductors ◽

Spin-Dependent Optical Processes in II-VI Diluted Magnetic Semiconductor Nanostructures

MRS Proceedings ◽

10.1557/proc-799-z9.1 ◽

2003 ◽

Vol 799 ◽

Author(s):

Yasuo Oka ◽

Kentaro Kayanuma ◽

Mio Sakuma ◽

Ayahito Uetake ◽

Izuru Souma ◽

...

Keyword(s):

Quantum Wells ◽

Magnetic Semiconductors ◽

Diluted Magnetic Semiconductor ◽

Spin Injection ◽

Magnetic Semiconductor ◽

Relaxation Processes ◽

Spin Electronics ◽

Quantum Confinement Effects ◽

ABSTRACTNanostructures of diluted magnetic semiconductors have potential possibility for the spin electronics application due to their large magneto-optical effects and the quantum confinement effects for band electrons. We have fabricated quantum wells and quantum dots by II-VI diluted magnetic semiconductors of Cd1-xMnxTe, Zn1-xMnxTe and Zn1-x-yCdyMnxSe. These nanostructures showed spin injection, spin switching and ultrafast spin relaxation processes derived in the confined nanostructures. Hybrid structures consisting of diluted magnetic semiconductor and Co showed Mn spin polarizations induced by the Co wire shape.