A new design of an UHV High T c SQUID magnetometer: absolute determination of magnetic moments of 3d-transition metal films
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin
dissertation.de
2001
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| Ausgabe: | Als Ms. gedr. |
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| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | IX, 128 S. graph. Darst. |
| ISBN: | 3898253112 |
Internformat
MARC
| LEADER | 00000nam a22000008c 4500 | ||
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| 001 | BV013883720 | ||
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| 100 | 1 | |a Ney, Andreas |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a A new design of an UHV High T c SQUID magnetometer |b absolute determination of magnetic moments of 3d-transition metal films |c vorgelegt von Andreas Ney |
| 250 | |a Als Ms. gedr. | ||
| 264 | 1 | |a Berlin |b dissertation.de |c 2001 | |
| 300 | |a IX, 128 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Berlin, Freie Univ., Diss., 2001 | ||
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| 650 | 0 | 7 | |a Ferromagnetische Schicht |0 (DE-588)4291507-7 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Drei-d-Element |0 (DE-588)4333392-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Magnetisierung |0 (DE-588)4168580-5 |2 gnd |9 rswk-swf |
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| 689 | 0 | 2 | |a Magnetisierung |0 (DE-588)4168580-5 |D s |
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| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009498534&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-009498534 | |
Datensatz im Suchindex
| _version_ | 1808046108651290624 |
|---|---|
| adam_text |
CONTENTS
ABSTRACT
IV
INTRODUCTION
IX
1
GENERAL
REMARKS
ON
FERROMAGNETISM
1
1.1
MAGNETIZATION
AND
MAGNETIC
MOMENT
.
1
1.2
FERROMAGNETISM
IN
REDUCED
DIMENSIONS
.
4
1.3
TC(D)
AND
M(T)
AT
LOW
TEMPERATURES
.
6
1.4
CONTRIBUTIONS
TO
THE
TOTAL
MAGNETIC
MOMENT
.
8
1.4.1
SPIN
DEPENDENT
INTERACTIONS
IN
EPR
.
10
1.4.2
FORMFACTORS
AND
CURRENT
DENSITIES
IN
PND
.
11
1.4.3
THE
XMCD
SUM
RULES
.
14
1.4.4
THE
ROLE
OF
THE
(T
Z
)
TERM
.
16
2
DIFFERENT
TYPES
OF
MAGNETOMETRY
19
2.1
MOKE
.
19
2.2
XMCD
.
20
2.3
PNR
.
21
2.4
AGM/CANTILEVER
.
22
2.5
TOM
.
23
2.6
MFM
.
24
2.7
SQUIDS
.
25
2.7.1
PRINCIPLES
OF
OPERATION
.
26
2.7.2
UHV-COMPATIBLE
SETUPS
.
27
3
EXPERIMENTAL
DETAILS
31
3.1
DESIGN
OF
THE
UHV-SQUID
MAGNETOMETER
.
31
3.1.1
THE
SQUID
SENSOR
.
32
3.1.2
THE
UHV-COMPATIBLE
METAL
DEWAR
.
33
3.1.3
THE
SAMPLE
HOLDER
.
35
3.2
OPERATION
OF
THE
MAGNETOMETER
.
37
3.2.1
CALIBRATION
.
37
3.2.2
DATA
ACQUISITION
.
38
CONTENTS
VII
3.2.3
THE
ULTIMATE
SENSITIVITY
.
40
3.3
ANALYSIS
OF
THE
DATA
.
41
3.3.1
THE
MEASURING
GEOMETRY
.
41
3.3.2
CALCULATED
STRAY
FIELD
.
41
3.3.3
SPATIAL
RESOLUTION
OF
THE
MAGNETOMETER
.
44
3.3.4
DETERMINATION
OF
THE
PARAMETERS
.
45
3.4
SAMPLE
PREPARATION
.
49
4
THE
SYSTEM
CO/CU(001)
51
4.1
STRUCTURAL
AND
MAGNETIC
PROPERTIES
.
51
4.1.1
GROWTH
OF
CO
ON
CU(001)
.
52
4.1.2
SUDDEN
INCREASE
OF T
C
.
53
4.1.3
MAGNETIC
MOMENTS
FROM
LITERATURE
.
54
4.2
THICKNESS
DEPENDENCE
OF
M
.
58
4.2.1
THICK
FILMS
.
58
4.2.2
THE
EFFECT
OF
THE
MEASURING
TEMPERATURE
.
59
4.3
DECONVOLUTION
OF
NS
AND
HL
.
62
4.3.1
MAGNETIC
MOMENTS
.
62
4.3.2
ORIGIN
OF
THE
ENHANCED
M
.
65
4.3.3
THE
(T
2
)-TERM
.
66
4.4
MAGNETIC
MOMENT
PROFILE
OF
CO/CU(001)
.
67
4.4.1
THE
INFLUENCE
OF
CU
CAPPING
.
68
4.4.2
THE
SEPARATION
OF SURFACE
AND
INTERFACE
MOMENTS
.
70
4.5
FILMS
BELOW
2
ML
.
73
5
THE
SYSTEM
NI/CU(001)
78
5.1
STRUCTURAL
AND
MAGNETIC
PROPERTIES
OF
NI/CU(001)
.
78
5.2
FIRST
RESULTS
FOR
CAPPED
AND
UNCAPPED
NI
FILMS
.
79
CONCLUSION
AND
OUTLOOK
84
A
DRAWINGS
OF
THE
MAGNETOMETER
86
A.L
THE
UHV-COMPATIBLE
METAL
DEWAR
.
87
A.2
THE
/X-METAL
SHIELDING
.
88
A.
3
THE
GLASS
FINGER
TIP
.
89
A.4
THE
SAMPLE
HOLDER
(PARTS)
.
90
B
MOTOR
CONTROL
UNIT
91
B.L
MAIN
POWER
SUPPLY
.
92
B.2
BIPOLAR
POWER
SUPPLY
FOR
THE
MOTOR
DRIVE
.
93
B.3
TRIGGER
UNIT
AND
VOLTAGE
BISECTION
.
94
B.4
PLUG
ASSEMBLY
.
95
VIII
CONTENTS
C
COMPUTER
PROGRAMS
96
C.L
PROGRAMS
TO
CALCULATE
THE
STRAY
FIELD
.
96
C.2
PROGRAMS
TO
CONTROL
THE
AD-DA
CARD
.
100
BIBLIOGRAPHY
114
LIST
OF
PUBLICATIONS
115
ACKNOWLEDGMENTS
118
CURRICULUM
VITAE
120
ZUSAMMENFASSUNG
122 |
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| id | DE-604.BV013883720 |
| illustrated | Illustrated |
| indexdate | 2024-08-22T00:38:55Z |
| institution | BVB |
| isbn | 3898253112 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009498534 |
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| owner_facet | DE-703 DE-188 |
| physical | IX, 128 S. graph. Darst. |
| publishDate | 2001 |
| publishDateSearch | 2001 |
| publishDateSort | 2001 |
| publisher | dissertation.de |
| record_format | marc |
| spelling | Ney, Andreas Verfasser aut A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films vorgelegt von Andreas Ney Als Ms. gedr. Berlin dissertation.de 2001 IX, 128 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berlin, Freie Univ., Diss., 2001 Quanteninterferometer (DE-588)4047987-0 gnd rswk-swf Ferromagnetische Schicht (DE-588)4291507-7 gnd rswk-swf Drei-d-Element (DE-588)4333392-8 gnd rswk-swf Magnetisierung (DE-588)4168580-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Ferromagnetische Schicht (DE-588)4291507-7 s Drei-d-Element (DE-588)4333392-8 s Magnetisierung (DE-588)4168580-5 s Quanteninterferometer (DE-588)4047987-0 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009498534&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ney, Andreas A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films Quanteninterferometer (DE-588)4047987-0 gnd Ferromagnetische Schicht (DE-588)4291507-7 gnd Drei-d-Element (DE-588)4333392-8 gnd Magnetisierung (DE-588)4168580-5 gnd |
| subject_GND | (DE-588)4047987-0 (DE-588)4291507-7 (DE-588)4333392-8 (DE-588)4168580-5 (DE-588)4113937-9 |
| title | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films |
| title_auth | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films |
| title_exact_search | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films |
| title_full | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films vorgelegt von Andreas Ney |
| title_fullStr | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films vorgelegt von Andreas Ney |
| title_full_unstemmed | A new design of an UHV High T c SQUID magnetometer absolute determination of magnetic moments of 3d-transition metal films vorgelegt von Andreas Ney |
| title_short | A new design of an UHV High T c SQUID magnetometer |
| title_sort | a new design of an uhv high t c squid magnetometer absolute determination of magnetic moments of 3d transition metal films |
| title_sub | absolute determination of magnetic moments of 3d-transition metal films |
| topic | Quanteninterferometer (DE-588)4047987-0 gnd Ferromagnetische Schicht (DE-588)4291507-7 gnd Drei-d-Element (DE-588)4333392-8 gnd Magnetisierung (DE-588)4168580-5 gnd |
| topic_facet | Quanteninterferometer Ferromagnetische Schicht Drei-d-Element Magnetisierung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009498534&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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