Nanoscale surface clustering on CdTe epilayers

被引：23

作者：

Marsal, L

Mariette, H

Samson, Y

Rouviere, JL

Picard, E

机构：

[1] Univ Grenoble 1, CNRS, Spectrometrie Phys Lab, CEA,Grp Microstruct Semicond 2 4, F-38041 St Martin Dheres, France

[2] CEA Grenoble, DRFMC SP2M, F-38054 Grenoble 9, France

来源：

APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 20期

关键词：

D O I：

10.1063/1.122648

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have studied the surface morphology of two dimensional CdTe films grown by atomic layer epitaxy on CdZnTe buffers. Atomic force microscopy observations in air show a strong evolution of the surface after the growth by forming clusters of around 20 nm in diameter and 3 nm in height. The size increase of these clusters as time proceeds is directly related to the formation of tellurium and cadmium oxides on the surface as revealed by x-ray photoelectron spectroscopy data. This nanoscale clustering then occurs ex situ, due to exposure to atmosphere which induces an oxidation of the CdTe epilayers. (C) 1998 American Institute of Physics. [S0003-6951(98)03846-7].

引用

页码：2974 / 2976

页数：3

共 13 条

[1] Quantitative interfacial profiles in CdTe/Mn(Mg)Te heterostructures [J].

Charleux, M ;

Rouviere, JL ;

Hartmann, JM ;

Bourret, A .

JOURNAL OF APPLIED PHYSICS, 1998, 84 (02) :756-764

[2] Near-field optical spectroscopy of localized excitons in strained CdSe quantum dots [J].

Flack, F ;

Samarth, N ;

Nikitin, V ;

Crowell, PA ;

Shi, J ;

Levy, J ;

Awschalom, DD .

PHYSICAL REVIEW B, 1996, 54 (24) :17312-17315

[3] InAs/GaAs quantum boxes obtained by self-organized growth: Intrinsic electronic properties and applications [J].

Gerard, JM ;

Marzin, JY ;

Zimmermann, G ;

Ponchet, A ;

Cabrol, O ;

Barrier, D ;

Jusserand, B ;

Sermage, B .

SOLID-STATE ELECTRONICS, 1996, 40 (1-8) :807-814

[4] Atomic layer epitaxy of CdTe and MnTe [J].

Hartmann, JM ;

Feuillet, G ;

Charleux, M ;

Mariette, H .

JOURNAL OF APPLIED PHYSICS, 1996, 79 (06) :3035-3041

[5]

Kubaschewski O., 1958, Metallurgical Thermochemistry, DOI 10.1149/1.2427669

[6] Self-organized quantum dots of zinc-blend MnTe grown by molecular beam epitaxy [J].

Kuroda, S ;

Terai, Y ;

Takita, K ;

Okuno, T ;

Masumoto, Y .

JOURNAL OF CRYSTAL GROWTH, 1998, 184 :274-278

[7]

Kurtz E, 1998, J CRYST GROWTH, V184, P242

[8] Epitaxial growth of CdTe(001) studied by scanning tunnelling microscopy [J].

Martrou, D ;

Eymery, J ;

Gentile, P ;

Magnea, N .

JOURNAL OF CRYSTAL GROWTH, 1998, 184 :203-207

[9] Nanometer scale surface clustering on ZnSe epilayers [J].

Smathers, JB ;

Kneedler, E ;

Bennett, BR ;

Jonker, BT .

APPLIED PHYSICS LETTERS, 1998, 72 (10) :1238-1240

[10] SPUTTER CLEANING AND DRY OXIDATION OF CDTE, HGTE, AND HG0.8CD0.2TE SURFACES [J].

SOLZBACH, U ;

RICHTER, HJ .

SURFACE SCIENCE, 1980, 97 (01) :191-205

← 1 2 →