Superconducting properties and nanostructure of {YBa_1tn2Cu_1tn3O_1tn7_1tn-_1tn_d63 [YBa2Cu3O7-delta] coated conductors prepared by chemical solution deposition [Elektronische Ressource] / vorgelegt von Leopoldo Molina-Luna

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• Physik

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• Publié par: eberhard_karls_universitat_tubingen
• Publié le: 01 janvier 2010
• Nombre de lectures: 23
• Langue: English
• Poids de l'ouvrage: 61 Mo

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Grades
erhard
aus
nat.)
u
alera,
Tübingen
Nanostructure
Naturwissensc
Ph
on
ak
V
der
and
Univ
V
Erlangung
Prop
Doktors
ysics)
(Dr.
of
orgelegt
in
oldo
F
d
ltät
erconducting
erties
enezuela
Science
(Master
Coated
Tübingen
Conductors
Karls
Prepared
ersität
b
zur
y
des
Chemical
eines
Solution
der
Dep
haften
osition
rer.
Dissertation
V
der
v
Mathematisc
Leop
h-Naturwissensc
Molina-Luna
haftlic
of
hen
2010
Eb
Sup
YBa Cu O2 3 7Dr.
ag
der
m
ündlic
hen
Qualik
ation:
terstatter:
h
h
Prof.
Oliv
Eibl
Beric
22.
Beric
12.2010
terstatter:
Dek
Dr.
an:
er
Prof.
2.
Dr.
h
W
Prof.
olfgang
Eric
Rosenstiel
Plies
1.
Tuniv
r
is
F
I...
here
an
to
P
dr
sea...
w
land...
univ
on
of
it
in
the
Ric
standing...
the
of
cradle
y
onders
atoms
w
with
at
c
ondering...
ons
a
c
e
iousness...
se
matter
atoms...
with
atom
c
the
uriosit
erse.
y
hard
.
.
Stands
eynman
at
Out.croscop
f
conductors
F
(
adv
electron
sup
o
i
c
enhance
of
(
w
h
ortan
e
wth
y
in
randomly
thin
thic
n
(<
tro
suc
nano-scaled
rates
this
m
the
curren
ELSA
o
follo
on
s
rf
e
a
ers
smal
electron
d
a
nec
ct
wing
cm
arious
1
cal
Due
tages
duc
ortices
mical
densities
k
win
osition
inuences
(HTS)
y
since
c
a
,
t
h
magnetic
osited
considerable
v
a
This
curren
metho
i
YBCO
high
912
is
and
it
an
to
hitecture
of
electron
texturing
and
oundary
YBCO
there
comp
lm,
BZO
are
c
y
ters
adequate
conductor
densities.
out
es.
t
ds,
corresp
terest
t
sp
coherence
(CSD)
nano-scaled
to
defects
for
(PVD)
the
ly
the
De
lms
mp
defects
y
cations,
ubstrate
micro-
allo
curren
at
and
t
in
h
e
non-
sup
suc
micro-
exp
y
ti
t
to
the
tec
haft
e
and
la
t
the
Supraleiter
motors.
die
pro
e
lm
elopmen
i
uan
than
sp
merit
duc
substrate.
b
erconducting
energy-ltered
kno
at
ance.
scan-
substrate
pro
found
detector,
sup
of
critical
(LZO)
y
conductors
to
y
ailable.
coated
grain
nano-inclusions.
the
sp
w
c
w
(BZO)
YB
in
conductors
BCO
h
incorp
a
t
a
and
b
pinning
obtaining
the
devices
a
curren
is
tec
and
the
µ
orldwide
a
osition
y
c
TEM
hemical
to
e
re
osition
100
dep
the
adv
of
the
0
resp
erco
YBCO-coated
i
ysical
as
cen
Dep
agnetic
a
b
C
trolled
of
of
ap
curren
tured
t
osition
b
op
Non-sup
as
nclude:
tungsten
oundaries,
c
terfaces
sup
phases.
easy
nano-structure
extured
he
the
densit
and
and
substr
s
RABiTS)
The
s
estigated
for
ork
is
prepared
dip-coated
for
ac
prop
K
and
d,
the
sol
(B,T))
e
institutions
as
ork
required.
o
in
jects:
e
Institute
hnology
Helmholtz
tages
Chemically
y
sup
is
th
limiters
ject
terest
klung
ers
e
elopmen
Sc
large
hitektur
all-solution
tec
erconducting
can
The
divided
mate
(i)
densit
of
dep
for
the
tiv
.
y
gure
y
of
co
determining
o
are
s
erature
a
biaxial
m
p
electron
T
op
r
k
from
Jeol
tly
electron
as
b
b
d
to
X-ra
YBCO
electron
the
c
reac
the
conducting
er
ts
la
grain
YBCO
to
(ii
forming
mi-
a
sp
no
complete
l-angle
samples
biaxial
BZO
b
titativ
Therefore,
y
net
y
study
conductors
ork
due
erconducting
m
the
nano
(YBCO)-coated
osites
CO
to
is
Y
whic
matrix.
and
nanoinclusions
is
orate
no
in
ess
o
prepared
matrix
r
a
fast-gro
as
for
cen
y
in
h
system.
e
or
gh-critical
coated
lm
that
t
1
w
wide
Among
ab
hnologi
1
v
m
sup
k
dep
curren
A
densit
metho
of
in
sp
c
dicult
hemi
onds
solutio
a
in
ur
dep
n
solution
of
has
A.
in
to
ecic
short
osition
length
an
YBCO
rconducting
1
with
nm),
prepared
non-sup
ect
n
second
t
Ph
ng
conductor
act
V
ecien
pinning
or
ters
of
m
osition
v
(2G)
and
and
y
biaxial
con
he
in
for
duction
V
these
tex-
critical
or
t
high-te
of
p
he
nic
can
(CVD)
e
magnet
d.
h
erconducting
el
i
exibilit
t
erature
b
in
dislo
s
in
omp
and
eration
secondary
and
The
(Rolling-Assisted-Biaxially-T
and
up-scaling,
strongly
erconductor
t
wing
critical
Subst
t
coating
y
tec
the
long-length
)
-
it'
a
anisotrop
wires
.
e
samples
whic
v
and
in
77
w
it
w
is
re
a
and
applications
haracterized
v
their
in
erconducting
uu
erties
energy
nanostructure
metho
,
precursor
complex
less
and
h
s
ensiv
b
u
partner
equipmen
within
and
framew
is
of
on,
w
Due
researc
fault
pro
th
(i)
this
Virtual
se
o
is
the
an
Gemeinsc
a

th
dep
t
YBCO
re
erconductors
buer
(ii)
a
e
elds
pro
in
(En
y
wic
in
inno
and
ativ
dev
r
and
mit
t
hic
hnology
tarc
f
für
sup
Energie
based
hnik).
These
dissertation
cesses.
b
YBCO
sub
critical
as
r
ws:
t
dev
are
t
y
the
r
dology
s
q
osited
tita-
imp
e
for
microscop
t
and
top
ectroscop
of
of
als
coated
for
n
the
t
a
r
1
a
temp
sessed
The
y
sup
Zeiss
also
O
materials
ega
texture
transmission
e
microscop
Up
(TEM)
o
erating
transferred
120
m
V
wn
a
Recen
6500-F
the
ning
,
microscop
is
(SEM);
has
oth
up
vide
een
with
me
Oxford
that
y
the
(ii)
coated
mi
Wire
y
can
haracterization
er-
sample
h
of
gro
arc
curren
y
la
buer
densities
y
v
for
up
coated
er
and
10
i)
and
croscop
Summary
fabrication
nabling
the
material
generation
consists
ap
t
as
and
w
ectroscop
at
of
1
YBCO
T
conductor
magneti
with
c
without
eld
articial
and
Quan
77
e
K
microscop
b
and
y
ectroscop
in
of
tro
coated
ducing
is
step
hallenging
rst
t
The
the
preparation.
ulti-la
ecimen
hanism
the
i
YBa Cu O2 3 7
2MA=cm
BaZrO3
2MA=cm
jc