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Volumn 79, Issue 13, 2009, Pages

Structure of amorphous Ge8 Sb2 Te11: GeTe-Sb2 Te3 alloys and optical storage

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EID: 66149192544     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.134118     Document Type: Article
Times cited : (66)

References (40)
  • 1
    • 35748985544 scopus 로고    scopus 로고
    • 10.1038/nmat2009
    • M. Wuttig and N. Yamada, Nat. Mater. 6, 824 (2007) and references therein. 10.1038/nmat2009
    • (2007) Nat. Mater. , vol.6 , pp. 824
    • Wuttig, M.1    Yamada, N.2
  • 15
    • 36849049207 scopus 로고    scopus 로고
    • 10.1103/PhysRevB.76.235201
    • J. Akola and R. O. Jones, Phys. Rev. B 76, 235201 (2007). 10.1103/PhysRevB.76.235201
    • (2007) Phys. Rev. B , vol.76 , pp. 235201
    • Akola, J.1    Jones, R.O.2
  • 19
    • 44349151577 scopus 로고    scopus 로고
    • 10.1103/PhysRevLett.100.205502
    • J. Akola and R. O. Jones, Phys. Rev. Lett. 100, 205502 (2008). 10.1103/PhysRevLett.100.205502
    • (2008) Phys. Rev. Lett. , vol.100 , pp. 205502
    • Akola, J.1    Jones, R.O.2
  • 20
    • 4243952981 scopus 로고
    • See, for example, 10.1103/PhysRevB.43.3856;
    • See, for example, D. Hohl and R. O. Jones, Phys. Rev. B 43, 3856 (1991) 10.1103/PhysRevB.43.3856
    • (1991) Phys. Rev. B , vol.43 , pp. 3856
    • Hohl, D.1    Jones, R.O.2
  • 21
    • 0001577473 scopus 로고    scopus 로고
    • 10.1103/PhysRevLett.83.5042;
    • X. Zhang and D. A. Drabold, Phys. Rev. Lett. 83, 5042 (1999) (both amorphous Se) 10.1103/PhysRevLett.83.5042
    • (1999) Phys. Rev. Lett. , vol.83 , pp. 5042
    • Zhang, X.1    Drabold, D.A.2
  • 22
    • 0037864224 scopus 로고    scopus 로고
    • 10.1063/1.1568081;
    • R. O. Jones and P. Ballone, J. Chem. Phys. 118, 9257 (2003) (Sn clusters to n=18) 10.1063/1.1568081
    • (2003) J. Chem. Phys. , vol.118 , pp. 9257
    • Jones, R.O.1    Ballone, P.2
  • 24
    • 66149187294 scopus 로고    scopus 로고
    • CPMD V3.12, Copyright IBM Corp. 1990-2008, Copyright MPI für Festkörperforschung Stuttgart, 1997-2001
    • CPMD V3.12, Copyright IBM Corp. 1990-2008, Copyright MPI für Festkörperforschung Stuttgart, 1997-2001 (http://www.cpmd.org).
  • 28
    • 66149191459 scopus 로고    scopus 로고
    • the valence configurations are 4 s2 4 p2 (Ge), 5 s2 5 p3 (Sb), and 5 s2 5 p4 (Te), and the scalar-relativistic pseudopotentials contain nonlinear core corrections.
    • the valence configurations are 4 s2 4 p2 (Ge), 5 s2 5 p3 (Sb), and 5 s2 5 p4 (Te), and the scalar-relativistic pseudopotentials contain nonlinear core corrections.
  • 29
    • 66149175985 scopus 로고    scopus 로고
    • The convergence of the plane-wave expansion has been tested on numerous small molecules, for many of which experimental structures are available. A cutoff of 15 Ry is adequate for these elements; 20 Ry is very good.
    • The convergence of the plane-wave expansion has been tested on numerous small molecules, for many of which experimental structures are available. A cutoff of 15 Ry is adequate for these elements; 20 Ry is very good.
  • 31
    • 66149164907 scopus 로고    scopus 로고
    • the chain modification of the Nosé-Hoover approach leads to a canonical ensemble even in nonergodic systems.
    • the chain modification of the Nosé-Hoover approach leads to a canonical ensemble even in nonergodic systems.
  • 32
    • 66149192839 scopus 로고    scopus 로고
    • The density of -GST-8,2,11 (x= 1 9) is assumed to be that of -GeTe (x=0
    • The density of -GST-8,2,11 (x= 1 9) is assumed to be that of -GeTe (x=0, T. Tsuchiya, private communication).
    • Tsuchiya, T.1
  • 34
    • 66149180978 scopus 로고    scopus 로고
    • this value was measured for amorphous Ge4 Sb1 Te5 (GST-8,2,10) and is very close to the density of a-GeTe.
    • this value was measured for amorphous Ge4 Sb1 Te5 (GST-8,2,10) and is very close to the density of a-GeTe.
  • 35
    • 2342423599 scopus 로고    scopus 로고
    • This cell was based on the crystalline structure of GST-225. See, for example, 10.1103/PhysRevB.69.104111
    • This cell was based on the crystalline structure of GST-225. See, for example, T. Matsunaga and N. Yamada, Phys. Rev. B 69, 104111 (2004) and references therein. Very recent measurements on GST-8,2,11 (Ref.) give very similar values. 10.1103/PhysRevB.69.104111
    • (2004) Phys. Rev. B , vol.69 , pp. 104111
    • Matsunaga, T.1    Yamada, N.2
  • 36
    • 66149170536 scopus 로고    scopus 로고
    • E-PRBMDO-79-072913 for calcuated structure factors, pair distribution functions for cavities, projected densities of states, and effective charge distributions. For more information on EPAPS, see
    • See EPAPS Document No, E-PRBMDO-79-072913 for calcuated structure factors, pair distribution functions for cavities, projected densities of states, and effective charge distributions. For more information on EPAPS, see http://www.aip.org/pubservs/epaps.html.
  • 37
    • 66149169103 scopus 로고    scopus 로고
    • Ge atoms are denoted "tetrahedral" if all four bond distances are less than 3.0 (short bonds) and the average deviation of bond angles from the octahedral values exceeds 10°.
    • Ge atoms are denoted "tetrahedral" if all four bond distances are less than 3.0 (short bonds) and the average deviation of bond angles from the octahedral values exceeds 10°.


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