Valence-band splitting in orderedGa0.5In0.5P studied by tempera

Magnetophotoluminescence study of theGa0.5In0.5P/GYamashita1, Matsuura2, Wada3 et al. 2002Phys. Rev. B5250View full textAdd to dashboardCite

“…8 -12͒ causes charge accumulation. In this ordering, monolayers of GaP-rich and InP-rich atomic planes alternatively appear along ͓1 11͔ or ͓11 1͔, which can be expressed by using order parameter as Ga 0.5ϩ/2 In 0.5Ϫ/2 P/Ga 0.5Ϫ/2 In 0.5ϩ/2 P. 8,10,11 Therefore, macroscopic polarization, which is originated from the piezoelectric effect [13][14][15] and microscopic spontaneous polarization, 5 is induced in the ordered Ga 0.5 In 0.5 P. In a GaAs/Ga 0.5 In 0.5 P/GaAs double heterostructure, 2,4,5 this macroscopic polarization causes negative and positive sheet charges at both the edges of Ga 0.5 In 0.5 P layer of the GaAs/Ga 0.5 In 0.5 P and Ga 0.5 In 0.5 P/GaAs interfaces, respectively. In the Ga 0.5 In 0.5 P/GaAs single heterostructure, it has been reported that electron accumulation occurs in the GaAs side.…”

Short-range atomic ordering in nonequilibrium silicon-germanium-tin semiconductors

“…However, it has been proposed that some ternary semiconductors can deviate from this assumed perfect solid solution. Indeed, both calculations and experiments suggested the presence of local atomic order in certain III-V alloys [1][2][3][4][5][6][7][8]. This phenomenon manifests itself when at least one of the elements forming the alloy preferentially occupies or avoids specific lattice sites.…”

“…This phenomenon manifests itself when at least one of the elements forming the alloy preferentially occupies or avoids specific lattice sites. This induces short-range order in the lattice with an impact on the basic properties of the alloyed semiconductors [3][4][5][6][7].…”

“…This phenomenon manifests itself when at least one of the elements forming the alloy preferentially occupies or avoids specific lattice sites. This induces short-range order in the lattice with an impact on the basic properties of the alloyed semiconductors [3][4][5][6][7].The recent progress in developing Sn-rich group IV (SiGeSn) ternary semiconductors and their integration in a variety of low dimensional systems and devices have revived the interest in elucidating the atomistic-level properties of monocrystalline alloys [9][10][11][12][13][14][15][16][17][18][19][20]. Interestingly, unlike…”

Photocurrent polarization in long-range ordered Ga0.5In0.5P

“…[1][2][3][4][5][6][7][8][9][10] The long-range ordering of the column III sublattice appears in Ga 0.5 In 0.5 P epitaxial films grown on GaAs ͑001͒ by organometallic vapor-phase epitaxy ͑OM-VPE͒. The epitaxial alloys consist of two ordered phases that show the CuPt-like ordering along the ͓111͔ and ͓111͔, i.e., ͓111͔ and ͓111͔ monolayer superlattices ͑MSLs͒.…”