Hostname: page-component-cd9895bd7-hc48f Total loading time: 0 Render date: 2024-12-27T18:48:54.089Z Has data issue: false hasContentIssue false
  • English
  • Français

Small “Magnetic” Clusters of Ga and In with As and V

Published online by Cambridge University Press:  01 February 2011

Liudmila A. Pozhar ,
Alan T. Yeates ,
Frank Szmulowicz  and
William C. Mitchel
Liudmila A. Pozhar
Affiliation:
Western Kentucky University, Department of Chemistry, TCCW 444, 1 Big Red Way, Bowling Green, KY 42101, U.S.A.
Alan T. Yeates
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Polymer Materials Branch (AFRL/MLBP), 2941 Hobson Way, Wright-Patterson Air Force Base, OH 45433, U.S.A.
Frank Szmulowicz
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Sensor Materials Branch (AFRL/MLPS), 3005 Hobson Way, Wright-Patterson Air Force Base, OH 45433, U.S.A.
William C. Mitchel
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Sensor Materials Branch (AFRL/MLPS), 3005 Hobson Way, Wright-Patterson Air Force Base, OH 45433, U.S.A.
Get access

Abstract

Several small clusters of Ga and In with As and V atoms are pre-designed to study effects of spatial constraints on electronic and magnetic properties of such clusters by means of the Hartree-Fock (HF) method. The obtained electronic energy level structures (ELSs), optical transition energies (OTEs) and spin densities of these clusters are compared to those specific to the corresponding clusters nucleated without spatial constraints. The pre-designed indium-based clusters demonstrate the enhanced spin densities as compared to those of the gallium-based clusters with equal numbers of V atoms, and thus can be of interest for applications in spintronic and magneto-optic memory materials development.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 830: Symposium D – Materials and Processes for Nonvolatile Memories , 2004 , D6.12
Copyright
Copyright © Materials Research Society 2005

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Pozhar, L.A., Yeates, A.T., Szmulowicz, F. and Mitchel, W.C., Small Atomic Clusters as Prototypes for Sub-Nanoscale Heterostructure Units with Pre-Designed Electronic Properties (2004, in press);Google Scholar
Pozhar, L.A., Yeates, A.T., Szmulowicz, F. and Mitchel, W.C., Mat. Res. Soc. Proc, 788, L11.40 (2004);Google Scholar
Virtual Fabrication of Small Ga-As/P and InAs/P Clusters with Pre-Designed Electronic Pattern Structure, 2004 MRS Fall Meeting, Nov.28-Dec.3, Boston, MA, Symp. B, Mat. Res. Soc. Proc. (2005, in press);Google Scholar
Pozhar, L.A., Mat. Res. Soc. Proc, 790, P5.8 (2004); etc.Google Scholar
2. For the latest experimental results and relevant discussions, see Vurgaftman, I. et al, J. Appl. Phys. 89, 5815 (2001) andGoogle Scholar
Ihm, J., Rep. Prog. Phys. 51, 105 (1988).Google Scholar
3. See, for example, Pozhar, L.A., Charge Transport in Inhomogeneous Quantum Systems in Weak Electro-Magnetic Fields: Two-Time Green's Function Approach (2004, in press);Google Scholar
Pozhar, L.A., Mat. Res. Soc. Proc, 789, N3.10 (2004), etc.Google Scholar
4. See, for example, Fodor, P.S., Tsoi, G.M. and Wenger, L.E., J. Appl. Phys. 91, 8186 (2002).Google Scholar
5. See, for example, Singh, A.K. et al., Phys. Rev. Lett. 91, 146802 (2003);Google Scholar
Kumar, V. and Kawazoe, Y., Phys. Rev. Lett. 90, 055502 (2003), etc.Google Scholar
6. Temko, Y. et al., Phys. Rev. B 68, 165310 (2003);Google Scholar
Jenathan, K. et al., Phys. Stat. Sol. (b) 240, 326 (2003);Google Scholar
Kapon, E. et al, Physica E 25, 288 (2004).Google Scholar
7. GAMESS version of 19 May 2004 (R4); details may be found in Schmidt, M.W. et al., J. Comput. Chem. 14, 1347 (1993) and REFERENCES therein.Google Scholar