Qiu X.G. (Ed.) High Temperature Superconductors
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Index 431
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behind the iron curtain, 135–8
far-infrared optical conductivity, 137
iron pnictide superconductors generic
phase diagram, 136
magnesium diboride, 135
normal state, 117–26
from a nodal metal to a bad metal to a
fermi liquid, 123–4
normal state gap in electron-doped
materials, 124–6
pseudogap in the optical response, 118–23
underdoped YBCO in pseudogap regime,
121
YBCO superconducting crystals, 119
optical response of conducting media, 108–17
Drude metal, 117
Drude model, 109–10
the extended Drude model, 111–13
Fermi liquid frequency dependent
scattering rate, 113
P
4
W
14
O
50
real part of optical conductivity,
114
real part and imaginary part, 115
restricted spectral weight, 116–17
sum rule and gaps in the excitation
spectrum, 113–16
two component optical conductivity,
110–11
phase diagram of cuprate superconductors,
104–8
electron doped and hole doped cuprate, 105
electron doped cuprates, 107–8
hole doped cuprates, 106–7
superconducting state, 127–35
bosonic function, 133
bosonic mode, 132–5
Eliashberg function, 133
FGT sum rule violation, 130
gap, 127–8
restricted spectral weight, 131
sum rules and kinetic energy, 128–31
optical scattering rate, 123
optics, 261–3
optimal reduction, 235
out-of-plane site, 215
oxygen nonstoichiometry, 224–6, 264
pairing symmetry, 265
particle source, 11
particle transport, 11
Paschen’s law, 17
PCCO see praseodymium caesium copper oxide
perfectly compatible substrates, 6
perovskites, 8, 374
π-facets, 378
phase formation, 11, 23–7
with and without particle transport, 26
phase stability, 220–4
photons, 324
physical vapour deposition, 10, 12–20
pulsed laser deposition technique and Laser
MB, 14–16
sputter techniques, 16–18
thermal co-evaporation and MBE, 12–13
planar site, 215
PLD see pulsed laser deposition
pnictides, 138
praseodymium caesium copper oxide
bosonic function for optimally doped states,
134
reflectivity as a function of Ce content, 125
preferential growth phenomenon, 306
pseudogap, 74–6, 118–23, 261
pulsed laser deposition, 14–16, 32, 150, 177,
344
Pulse-Doppler radar, 415
PVD see physical vapour deposition
QHS model see quasi-hard-sphere model
quantum conductivity, 51
model, 53
quasi-hard-sphere model, 19
Raman scattering, 305
ramp-type or ramp-edge junction, 330
rapid single flux quantum, 324
rare earth copper oxides
crystal structures, 211
superconducting transition temperatures, 212
REBCO films, 276
a/c axes pinning structure and growth
mechanism, 293–5
a/c grain boundaries morphology, 294
grain growth rate diagram, 295
in-plane alignment transformation, 302–10
atomic configuration around REBCO/MgO
interface, 307
films field dependence, 310
films melting process, 302
0o grain preferential growth, 303–4
45o grain preferential growth, 304–10
three experiment system comparison, 309
YBCO grains in-plane orientation in MgO
substrates, 303
YBCO-LPE film vertical dipping region,
306
liquid phase epitaxy growth mechanism,
283–310
transition between a-axis and c-axis
growth, 283–93
45
o
-oriented YBCO-LPE film
interface feature, 308
optical micrograph, 304
Raman spectrum, 305
SmBCO, 290–3
Sm
3+
and Ba
2+
substitution influence on
diffusion path, 291
surface migration kinetic model in LPE,
292
thermal stability, 295–302
432 Index
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EPMA mapping images, 298
films thermal stability and in-plane
alignments correlation, 301–2
hetero-seeded LPE growth mechanism
using YBCO-thin-film as a seed, 296–8
high stability mechanism of YBCO thin
film, 298–301
LPE process differences in YBCO and
SmBCO, 296
sample microstructure, 299
specimen microstructures optical
micrograph, 297
surface microstructures comparison
between two samples, 300
YBCO, 283–90
a- and c-axis surface migration model, 290
a-axis film surface morphology, 289
c-dominated film, 286
a-c phase crossover, 287
a-c transition mechanism under different
environments, 288
digging region with peculiar morphology,
285
films orientation transition, 289
a-phase ratio values, 284
reciprocal space mapping, 163
RE2CuO4, 211–12
reflection high energy electron diffraction, 16,
18, 176
in-situ characterisation of oxide film growth,
15
residual resistivity, 38
residual stress, 164
resistively shunted junction, 320, 372
model, 321
resistivity, 239–42
resonators, 399
restricted spectral weight, 116–17
optical conductivity for a Drude metal, 117
RHEED see reflection high energy electron
diffraction
RSFQ see rapid single flux quantum
RSJ see resistively shunted junction
RSW see restricted spectral weight
Scanning Josephson Tunnelling Microscope,
359
SDW gap see spin-density wave gap
Seebeck coefficient, 242–4
semi-coherent interface energy theory, 301
SFQ see single flux quantum
SFS see superconductor-ferromagnet-
superconductor
Shapiro steps, 319, 340
silent qubit, 384, 385
single flux quantum, 346
SIS see superconductor-insulator-
superconductor
SIT see superconducting-insulating transition
SmBCO, 290–3
SNS step-edge junction, 330
solid-state chemistry, 220–6
solute-rich-liquid crystal-pulling method, 282
spin-density wave gap, 261
Spiral-Island growth mode, 277
sputter deposition, 16–18, 32, 177–9
arc discharge, 17–18
B-2212, Bi-2201 and 2212/2201, 178
dark discharge, 17
glow discharge, 17
process schematic, 16
technique, 152–5
inverted cylindrical systems schematics,
154
sputtering system, 153
YBCO superconducting films, 149–69
challenges, 168–9
epitaxial YBCO thin films, 155–6
issues related to scale-up, 157–61
technique, 152–5
sputtering, 16–18
SQIF see superconducting quantum interference
filters
square planar copper oxides, 210
SQUID see superconducting quantum
interference device
SRL-CP method see solute-rich-liquid
crystal-pulling method
step-edge technology, 328
step-flow growth, 25
schematic sketch, 26
Sterling cryo-cooler, 413
Stewart-McCumber model, 320
stress, 27–30
stripline, 398, 399
substrate materials
microwave applications and coated
conductors, 7
requirements, 6–10
ƒ-sum rule, 128
sum rules, 128–31
superconducting delay line, 398–9
superconducting fluctuations, 56–60
superconducting gap, 247
superconducting-insulating transition, 197
superconducting meteorological radar, 415–21
superconducting quantum interference device,
175, 183, 250, 323–4, 370
silent quantum bit, 383–6
asymmetric dc-SQUID potential shape
evolution, 386
sketch, 385
superconducting quantum interference filters,
347
superconducting resonator, 399–402
superconducting state, 127–35
superconductor-ferromagnet-superconductor,
357
superconductor-insulator-superconductor, 321
superconductors, 390–96
Index 433
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superfluid density, 247
superheating, 295
supracurrent see Josephson current
surface impedance, 391–402
surface migration length, 25
surface reactance, 392
surface resistance, 391–402
T′ cuprates
see also electron-doped T
c
cuprates
generic phase diagram, 236
superconducting parameters, 253
TFF see toggle-flip-flop
theory of fracture of solids, 30
thermal co-evaporation, 12–13
schematic sketch, 13
thermalisation, 19, 20
third order intercept, 396
Thomson relation, 18
toggle-flip-flop, 359
TOI see third order intercept
tolerance factor, 212–14, 263
top-seeded solution-growth, 275
Townsend discharge, 17
T′ phase stability, 263
transport, 264–5
traveling-solvent floating zone, 226
T′-RE
2
CuO
4
lattice parameters, 218
RE dependence of the decomposition lines,
223
thermodynamic data for decomposition
reaction, 222
TSFZ see traveling-solvent floating zone
TSSG see top-seeded solution-growth
tunnelling, 244–7
unconventional order parameter, 384
van’t Hoff equation, 222
vapour phase deposition, 291
vapour phase epitaxy, 275
vertical dipping method, 284
vortex dynamics Hall effect, 81
VPD see vapour phase deposition
VPE see vapour phase epitaxy
weak links, 318, 320
wind profiler, 415
YBCO see yttrium barium copper oxide
45° YBCO grains, 303
YBCO superconducting films
epitaxial YBCO thin films, 155–6
unit cell of YBa
2
Cu
3
O
7
, 156
issues related to scale-up, 156–61
configuration with speed-modulated biaxial
rotation, 157
film homogeneity, 158–61
in-plane wafer rotation, 157
large-area deposition, 156–8
pure c-axis oriented and good out-of-plane
and in-plane epitaxy, 161
Rutherford backscattering spectroscopy
results, 159
stoichiometric and thickness distribution,
160
substrate and cylindrical target for biaxial
rotation, 158
residual stress, 164
as a function film thickness, 165
surface morphology, 166–8
thickness-modulated films, 162–6
sputter deposition, 149–69
deposition parameters, 155
epitaxial thin YBCO films, 155–6
technique, 152–5
thickness-dependent superconductivity,
162–8
critical current density, 168
film thickness dependence, 167
FWHM of 006 peak in rocking curve,
162
lattice parameters, strain, and residual
stress, 165
reciprocal space mapping, 163
surface morphology, 166
X-ray diffraction spectra, 162
yttrium barium copper oxide, 8, 20, 283–90
critical current density of bicrystals, 5
crystalline substrate materials suitable for
preparation of thin films, 9
frequency dependence of microwave surface
resistance, 31
in-plane orientation of grains in MgO
substrates, 303
microstructure, 299
optical conductivity for underdoped and
optimally doped states, 127
pressure-temperature phase diagram, 21
step-flow growth, 26
superconducting crystals optical conductivity,
119
underdoped in the pseudogap regime, 121
Zener diodes, 340
zero-field resistivity
scaling for different doping levels, 44–5
temperature dependence in La
2-x
Sr
x
CuO
4
thin
films, 39–54