Concepedia

Observation of Zn vacancies in ZnO grown by chemical vapor transport

Filip Tuomisto, K. Saarinen, K. Grasza, A. Mycielski

physica status solidi (b) · 2006 · 39 citations · 12 references

DOI

Concepts

Abstract

Abstract We have used positron annihilation spectroscopy to study the vacancy defects in ZnO crystals grown by both the conventional and contactless chemical vapor transport (CVT and CCVT). Our results show that Zn vacancies or Zn vacancy related defects are present in as‐grown ZnO, irrespective of the growth method. Zn vacancies are observed in CVT‐grown undoped ZnO and (Zn,Mn)O. The Zn vacancies present in undoped CCVT‐ZnO are the dominant negatively charged point defect in the material. Doping the material with As introduces also Zn vacancy‐related defect complexes with larger open volume. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

References

12

Ferromagnetism above room temperature in bulk and transparent thin films of Mn-doped ZnO

Parmanand Sharma, Amita Gupta, K. V. Rao et al. · Nature Materials · 2003 · 1.8K citations

, , +13

Electrical properties of bulk ZnO

D. C. Look, D. C. Reynolds, J. R. Sizelove et al. · Solid State Communications · 1998 · 859 citations

, , +14

Realization of p-type ZnO thin films via phosphorus doping and thermal activation of the dopant

Kyoung‐Kook Kim, Hyun‐Sik Kim, Dae‐Kue Hwang et al. · Applied Physics Letters · 2003 · 620 citations

, , +16

Properties of arsenic-doped p-type ZnO grown by hybrid beam deposition

Yungryel Ryu, T. S. Lee, H. W. White · Applied Physics Letters · 2003 · 490 citations

, , +17

Evidence of the Zn Vacancy Acting as the Dominant Acceptor in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi></mml:math>-Type ZnO

Filip Tuomisto, V. Ranki, K. Saarinen et al. · Physical Review Letters · 2003 · 460 citations · Full text

, , +10