The Discovery of Type II Superconductors Part 14 ppt
The Discovery of Type II Superconductors Part 14 ppt
... are the same; hence the chalcogenides are
rather similar. In particular, all of them consist of infinite one-dimensional chains, extended
along the c-axis. One of the basic unit elements are the ... V
ZZ
the largest component of the crystal EFG
tensor,
η
=|V
XX
- V
YY
|/V
ZZ
the asymmetry parameter showing the deviation of the EFG
symmetry from the axia...
The Discovery of Type II Superconductors Part 7 pptx
... Energies of particles were selected
considering the optimisation of nuclear reaction of the projectile with the sample and the
range of particles in the sample. In case of HTSC Bi-cuprates, the purpose ... Fig. 6b. The contribution of the Cu-O
2
planes was considered,
taking together the effects on the oxygen and the copper atoms in those sites. The res...
The Discovery of Type II Superconductors Part 10 ppt
... uniformity or on the shapes,
packing and alignment of the regions and/or pores of the size larger than the resolution.
Further development of the technique and improvement of the resolution is ... amount of the brighter regions is
likely to enhance from A to D and, hence, the amount of the high density regions in the
material is enhancing. At the same tim...
The Discovery of Type II Superconductors Part 1 pdf
... Cu(+III) ions. For the other elements in Table 3, we have
considered the following stable oxidation states: La(+III), Y(+III), Ba( +II) , Sr( +II) , Bi(+III),
Ca( +II) , Tl(+III), Hg( +II) and O( -II) . ... Cu(+III).
Metal Electron configurations Oxidation states
As [Ar]3d
10
4s
2
4p
3
+III, +V
Bi [Xe]4f
14
5d
10
6s
2
6p
3
+III, +V
Cu [Ar]3d
10
4s
1
+I, +II, +III
Fe [Ar]3d
6...
The Discovery of Type II Superconductors Part 2 pot
... reversible, the hysteresis rather small.
5. The difference in free energy of magnetized and normal superconductors was given by
the area of the curve:
ΔF = ∫МdH,
The Discovery of Type II Superconductors ... superconductivity, the experimental side of the
discovery of these superconductors, as far as the author knows, having been discussed only
fragmen...
The Discovery of Type II Superconductors Part 4 potx
... raises the question of whether the Josephson transitions dominate in the transfer of the
pair of 2D holes in the plane of the nanostructured δ - barriers and in the proximity effect
due to the ... restricted to 2 nm. Therefore, the distribution of the microdefects
created at the initial stage of the oxidation seems to represent the fractal of the S...
The Discovery of Type II Superconductors Part 6 doc
...
MgB
2
.
The parameters of Raman spectra vary with the composition
of MgB
2
crystals and the
influence of their surroundings, which
depends on both the connectivity and the disorder of
the
... −−
⎣
⎦
(7)
with Z
k
being the atomic number of the k-atom, r
0
is the electron classic radius, α = Z
k
/137, β
is the ratio of the electron velocity to the...
The Discovery of Type II Superconductors Part 8 pot
... slowly in case of B implying lower slope of J
c
-B
curve for sample B. The lower values of the exponents k and m of the irradiated sample
show that there is reduction of the distance of the pinning ... matrix of intensity values, I(r), associated
with the intensity of the interference at each point of the image. The characteristics of the
CCD camera...
The Discovery of Type II Superconductors Part 9 potx
... deformation of 2.2
μm (8 fringes) and a minimum one of
approximately 0.56
μm (2 fringes) in the right part of the sample. In the rest of the images,
the sample deformation leads to the expected ...
decomposition of LRE-123 in the partial-melted region during the melt-texturing process.
On the other hand, the small round particles of 20-50 nm size contain...
The Discovery of Type II Superconductors Part 11 pot
... was reported that the superconducting properties of these
materials are affected with increase of the amount of doping, regardless of the nature of the
dopants. The repression of superconductivity ... to study the Figure of
merit of the ceramic superconductors.
One of the important thermomagnetic transport quantities is the electrothermal conductivity...
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