Dislocation Vector Analysis Method of Deep Dislocation Having C-Axis Segment in Diamond

Article Preview

Abstract:

X-ray topography is an effective tool to investigate dislocations in semiconductor crystals. Due to low X-ray absorption coefficients of diamond, X-rays can penetrate deep into the crystal. Thus, deep three-dimensional (3D) dislocations are projected on two-dimension (2D) film, which makes dislocation analysis particularly challenging. Dislocation vectors from the films obtained using a set of the same diffraction vectors were identified using topographical and geometrical analyses. The depth and position of the dislocations in a crystal that was projected on a film were determined using geometrical relationship. The proposed analysis method was verified by analyzing several dislocations using four <404> diffraction films. The types of dislocation were identified through Burgers vector analysis.

You might also be interested in these eBooks

Info:

Periodical:

Materials Science Forum (Volume 1004)

Pages:

519-524

Citation:

Online since:

July 2020

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2020 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

* - Corresponding Author

[1] Single crystal diamond wafer for high power electronics,, S.Shikata, Diamond and Related Materials, 65(2016) pp.168-175.

DOI: 10.1016/j.diamond.2016.03.013

Google Scholar

[2] Influence of dislocations to the diamond SBD reverse characteristics,, N.Akashi, A.Seki, H.Saitoh, F.Kawai and S.Shikata, Material Science Forum, 924(2018) pp.212-216.

DOI: 10.4028/www.scientific.net/msf.924.212

Google Scholar

[3] X-ray topographic and optical Imaging studies of synthetic diamond,, A.R. Lang, J.Appl. Cryst., 27 (1994) pp.988-1001.

DOI: 10.1107/s0021889894006734

Google Scholar

[4] Synchrotron radiation Topography,, M.Moore, Radiat. Phys. Chem., 45 (1995) pp.427-444.

Google Scholar

[5] Imaging diamond with X-rays,, M. Moore, J.Phys.Condens. Matter, 21(2009) 364217.

Google Scholar

[6] HPHT growth and x-ray characterization of high-quality type IIa diamond,, R.C. Burns, A.I. Chumakov, S.H. Connell, D.Dube, H.P. Godfried, J.O. Hansen, J.H¨artwig, J.Hoszowska, F.Masiello, L.Mkhonza, M.Rebak, A.Rommevaux, R.Setshedi and P.Van Vaerenbergh, J.Phys. Condens.Matter, 21(2009) 364224.

DOI: 10.1088/0953-8984/21/36/364224

Google Scholar

[7] Dislocation analysis of p type and insulating HPHT diamond seed crystals,, S.Shikata, E. Kamei, K.Yamaguchi, Y. Tsuchida and H. Takahashi, Material Science Forum, 924 (2018) pp.208-211.

DOI: 10.4028/www.scientific.net/msf.924.208

Google Scholar

[8] X-ray topography studies of dislocations in single crystal CVD diamond,, M.P. Gaukroger, P.M. Martineau, M.J. Crowder, I.Friel, S.D. Williams, D.J. Twitchen Diam.Relat.Mater., 17 (2008) pp.262-269.

DOI: 10.1016/j.diamond.2007.12.036

Google Scholar

[9] High crystalline quality single crystal chemical vapour deposition diamond,, P.M. Martineau, M.P. Gaukroger, K.B. Guy, S. C.Lawson, D.J. Twitchen, I. Friel, J.O. Hansen, G.C. Summerton, T.P.G. Addison and R.Burns, J.Phys. Condens.Matter, 21 (2009) 364205.

DOI: 10.1088/0953-8984/21/36/364205

Google Scholar

[10] Dislocation analysis of homo-epitaxial diamond (001) film by x-ray topography,, S.Shikata, Y. Matsuyama, and T.Teraji, Jap.J.Appl.Phys., 58 (2019) 045503.

DOI: 10.7567/1347-4065/ab0541

Google Scholar

[11] Detection of dislocations in strongly absorbing crystals by projection X-ray topography in back reflection", I. L. Shul,pina and T. S. Argunava, J. Phys. D 28, (1995) A47.

DOI: 10.1088/0022-3727/28/4a/009

Google Scholar

[12] Determination of observable depth of dislocations in 4H-SiC by X-ray topography in backreflection,, K. Ishiji, S. Kawado, Y. Hirai, and S. Nagamachi, Jap.J.Appl.Phys., 56, 106601 (2017).

DOI: 10.7567/jjap.56.106601

Google Scholar