• No results found

molecular beam epitaxy growth

Ga Adlayer Coverage and Surface Morphology Evolution during GaN Growth by Plasma-assisted Molecular Beam Epitaxy

Ga Adlayer Coverage and Surface Morphology Evolution during GaN Growth by Plasma-assisted Molecular Beam Epitaxy

... epitaxial growth, GaN crystal quality becomes the bottleneck to limit the device performance ...current growth methods fuels great efforts to optimizethe GaN epitaxy in order to produce the excellent ...

6

Au impact on GaAs epitaxial growth on GaAs (111)B substrates in molecular beam epitaxy

Au impact on GaAs epitaxial growth on GaAs (111)B substrates in molecular beam epitaxy

... are almost identical. This suggests that the formation of this section should take place under similar condition. Taking this and the fact that the section II is formed last into account, we anticipate that section II is ...

7

Increasing ZnO Growth Rate by Modifying Oxygen Plasma Conditions in Plasma Assisted Molecular Beam Epitaxy

Increasing ZnO Growth Rate by Modifying Oxygen Plasma Conditions in Plasma Assisted Molecular Beam Epitaxy

... these growth condi- tions the growth rate is very ...the growth rate is about 30 nm per hour. In order to achieve a higher growth rate, we replaced the aperture plate with a plate with a ...

5

Structural evolution of GeMn/Ge superlattices grown by molecular beam epitaxy under different growth conditions

Structural evolution of GeMn/Ge superlattices grown by molecular beam epitaxy under different growth conditions

... tend to form during growth due to the low Mn solubi- lity in Ge. It has also been found that the thickness of GeMn thin films plays a critical role in the formation of Mn-rich precipitates, and secondary ...

6

Patterned growth of InGaN/GaN quantum wells on freestanding GaN grating by molecular beam epitaxy

Patterned growth of InGaN/GaN quantum wells on freestanding GaN grating by molecular beam epitaxy

... Coherent growth is suppressed, and the selective growth takes place on the grating ridge with a preferential growth process on the low-energy side { } 1011 ...selective growth can also occur ...

7

Electrical characterisation of deep level defects in Be doped AlGaAs grown on (100) and (311)A GaAs substrates by MBE

Electrical characterisation of deep level defects in Be doped AlGaAs grown on (100) and (311)A GaAs substrates by MBE

... The growth of high mobility two-dimensional hole gases (2DHGs) using GaAs-GaAlAs heterostructures has been the subject of many ...by molecular beam epitaxy on (100) and (311)A GaAs substrates ...

5

Molecular beam epitaxy as a growth technique for achieving free standing zinc blende GaN and wurtzite AlxGa1 xN

Molecular beam epitaxy as a growth technique for achieving free standing zinc blende GaN and wurtzite AlxGa1 xN

... Recently, Riber have again modi fi ed the design of the aperture of their plasma source for even faster growth of GaN layers. The aperture conductance has been increased again by increasing the number of holes, ...

15

Terahertz conductivity of the highly mismatched amorphous alloy, GaNBi

Terahertz conductivity of the highly mismatched amorphous alloy, GaNBi

... plasma-assisted molecular beam epitaxy (PA-MBE) on (0001) c-plane sapphire ...The growth technique is described in detail elsewhere [14, 15] ...gallium beam equivalent pressure (BEP) ...

17

Molecular beam epitaxy in the lithium-niobium-oxygen system

Molecular beam epitaxy in the lithium-niobium-oxygen system

... the growth of pure, single-crystal ...the growth of graded and multiple layers, and of doped ...The growth of thin-film LiN b03 by ...crystal growth has been reported by this ...

192

Growth and characterisation of dilute nitride antimonide layers by plasma assisted molecular beam epitaxy

Growth and characterisation of dilute nitride antimonide layers by plasma assisted molecular beam epitaxy

... of growth in the same way as those described above, step- flow growth is nevertheless a phenomenon to take into ...desorb, growth will preferentially evolve at these ...

268

Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy

Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy

... the growth (Figure 6a), some of the {111} sidewalls may show a change of their morphology, as the growth pro- ...the growth duration approaches tens of minutes, Au may have completely diffused away ...

7

The effect of metal-rich growth conditions on the microstructure of ScxGa1-xN films grown using molecular beam epitaxy

The effect of metal-rich growth conditions on the microstructure of ScxGa1-xN films grown using molecular beam epitaxy

... the growth surface. For instance, under metal-rich growth conditions, the GaN growth rate is limited by the supply of active ...the growth rate increases with increasing Sc flux, suggesting ...

11

Molecular beam epitaxy of GaN1–xBix alloys with high bismuth content

Molecular beam epitaxy of GaN1–xBix alloys with high bismuth content

... high resolution transmission electron microscopy studies show that the microstructure depends strongly on the Bi composition and changes from columnar growth to an almost amorphous structure, with small ...

5

Formation of Ga droplets on patterned GaAs (100) by molecular beam epitaxy

Formation of Ga droplets on patterned GaAs (100) by molecular beam epitaxy

... was about an order of difference between the two areas in the average density of Ga MDs. With a fur- ther increase of ML deposition to 20, the average density was slightly decreased to 3.68 × 10 10 cm −2 on the trench ...

9

Dependence of the electrical and optical properties on growth interruption in AlAs/In0 53Ga0 47As/InAs resonant tunneling diodes

Dependence of the electrical and optical properties on growth interruption in AlAs/In0 53Ga0 47As/InAs resonant tunneling diodes

... by molecular beam epitaxy on interruption time was studied by current-voltage [I-V] characteristics, photoluminescence [PL] spectroscopy, and transmission electron microscopy ...to growth ...

6

Temperature dependence of band gap in MoSe2 grown by molecular beam epitaxy

Temperature dependence of band gap in MoSe2 grown by molecular beam epitaxy

... Growth of TMD film has been rapidly developing to meet the elevated interests for various ways, such as chemical vapor deposition (CVD), pulsed laser depos- ition, and molecular beam epitaxy ...

7

An atomic carbon source for high temperature molecular beam epitaxy of graphene

An atomic carbon source for high temperature molecular beam epitaxy of graphene

... MBE growth of orientationally aligned graphene layers on hBN with significantly smaller carbon deposits than those for the sublimation source we have previously used for MBE graphene ...

8

High temperature molecular beam epitaxy of hexagonal boron nitride layers

High temperature molecular beam epitaxy of hexagonal boron nitride layers

... longer growth time of 5 h, the absorption spectrum displays a broader absorption fea- ture that extends to lower energies, possibly arising from greater inhomogeneity due to the beginning of 3D island for- mation, ...

7

Molecular beam epitaxy and properties of GaAsBi/GaAs quantum wells grown by molecular beam epitaxy: effect of thermal annealing

Molecular beam epitaxy and properties of GaAsBi/GaAs quantum wells grown by molecular beam epitaxy: effect of thermal annealing

... Dilute bismuth alloys grown on GaAs attract more and more attention because of their peculiar electronic properties. Adding bismuth to GaAs efficiently decreases the gap energy of this semiconductor [1] through a change ...

5

Growth of GaN nanowall network on Si (111) substrate by molecular beam epitaxy

Growth of GaN nanowall network on Si (111) substrate by molecular beam epitaxy

... In order to obtain more details of the GaN nanowall network, TEM was used to characterize the nanowall of GaN grown with a N/Ga ratio of 400. There are some narrow gaps in the GaN nanowall especially at the bot- tom ...

7

Show all 10000 documents...

Related subjects