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Dissertations / Theses on the topic 'Superconductor Quantum Interference Device'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Revalee, Jason S. "Accessibility and The Potential of Bio-Physiological Systems Measuring Human Magnetic Fields to Inform Technology Devices." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1559057599496862.

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2

Judge, Elizabeth Eileen. "Direct measurement of dissipative forces in superconducting BSCCO." Access restricted to users with UT Austin EID Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3035957.

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3

Schoellmann, Volker. "Quantum classical interactions of a superconducting quantum interference device." Thesis, University of Sussex, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264634.

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4

Graf, zu Eulenburg Alexander. "High temperature superconducting thin films and quantum interference devices (SQUIDs) for gradiometers." Thesis, University of Strathclyde, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366689.

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5

Ogunyanda, Kehinde. "A superconducting quantum interference device (SQUID) magnetometer for nanosatellite space weather missions." Thesis, Cape Peninsula University of Technology, 2012. http://hdl.handle.net/20.500.11838/1164.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology, 2012<br>In order to effectively determine the occurrences of space weather anomalies in near Earth orbit, a highly sensitive space-grade magnetometer system is needed for measuring changes in the Earth’s magnetic field, which is the aftermath of space weather storms. This research is a foundational work, aimed at evaluating a commercial-off-the-shelf (COTS) high temperature DC SQUID (superconducting quantu

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6

Millar, Alasdair J. "Step edge Josephson junctions and high temperature superconducting quantum interference device (SQUID) gradiometers." Thesis, University of Strathclyde, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249130.

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This thesis is concerned with the development of Superconducting Quantum Interference Device (SQUID) gradiometers based on the high temperature superconductor YBa2Cu3O7-o (YBCO). A step-edge Josephson junction fabrication process was developed to produce sufficiently steep (> 60°) step-edges such that junctions exhibited RSJ-like current-voltage characteristics. The mean I(RN product of a sample of twenty step-edge junctions was 130jtV. Step-edge dc SQUIDs with inductances between 67pH and 114pH were fabricated. Generally the SQUIDs had an intrinsic white flux noise in the 10-30μ(Do/ Hz range,

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Hutson, D. "The design, construction and operation of practical thin film superconducting quantum interference devices (SQUIDs)." Thesis, University of Strathclyde, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382345.

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8

Murrell, Jonathan Kenneth Jeffrey. "Non-linear behaviour of a Superconducting Quantum Interference Device coupled to a radio frequency oscillator." Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366212.

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9

Humphrey, Kevin P. "An actively shielded, adaptively balanced high temperature superconducting quantum interference device ( SQUID ) gradiometer capable of detecting moving targets from a mobile platform." Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431813.

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10

Lochner, Emile Tobias. "Towards a global SQUID network through optimal monitoring station design." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96817.

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Thesis (MEng)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: The Superconducting Quantum Interference Device (SQUID) is one of the most sensitive magnetic field sensors in the world. These instruments can only be used optimally for geomagnetic research if placed far from man-made magnetic signals. Moving the SQUID to a remote site leads to several infrastructure-related problems including construction, power, data connectivity, and cryogenic cooling. This thesis investigates possible solutions to these problems and develops guidelines for designing future remote SQUID stations. A re

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11

Ngankio, Njila Joël Roméo. "Analyse d'une nouvelle architecture pipeline de convertisseur analogique numérique supraconducteur." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT006/document.

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L'objectif de ce travail était d’élaborer la brique de base d'un convertisseur analogique numérique supraconducteur à architecture pipeline, fonctionnant à 30GHz de fréquence d’échantillonnage. Ce convertisseur est constitué d’un bloc de N comparateurs disposés en cascade le long d’une ligne de transmission. Chaque étage de comparaison est constitué d'un SQUID rf mutuellement couplé à un tronçon de ligne de transmission. Lorsque le signal à convertir arrive à la hauteur d'un comparateur, il génère un champ magnétique qui induit un courant dans le SQUID rf. Ce courant pourra faire commuter la j

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12

Labbe, Aimé. "Développement d'antennes supraconductrices basées sur les réseaux de SQUID pour la résonance magnétique nucléaire à champ faible." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0166/document.

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L'imagerie par résonance magnétique (IRM) est une modalité qui offre de bons contrastes et une bonne résolution spatiale, mais qui souffre d'un important problème de sensibilité. Pour répondre à cette problématique, le paradigme actuel est d'accroitre le champ magnétique des aimants d'IRM. Ceci mène toutefois à une explosion des coûts et à des contraintes accrues vis-à-vis des patients. L'approche que nous présentons est radicalement différente~: il s'agit de travailler à champ faible. Les antennes classiques n'étant pas assez sensibles pour recueillir le signal, l'idée est d'utiliser des SQIF

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13

Kitapli, Feyruz. "Fabrication of Nanoscale Josephson Junctions and Superconducting Quantum Interference Devices." Thesis, 2011. http://hdl.handle.net/10012/6304.

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Fabrication of nanoscale Josephson junctions and Superconducting Quantum Interference Devices (SQUID) is very promising but challenging topic in the superconducting electronics and device technology. In order to achieve best sensitivity of SQUIDs and to reproduce them easily with a straightforward method, new fabrication techniques for realization of nanoSQUIDs needs to be investigated. This study concentrates on investigation of new fabrication methodology for manufacturing nanoSQUIDs with High Temperature Bi-Crystal Grain Boundary Josephson Junctions fabricated onto SrTiO3 bi-crystal substr

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Konstadopoulou, Anastasia, Apostolos Vourdas, R. Migliore, Zukarnain Z. Ahmad, and A. Messina. "Entanglement of distant superconducting quantum interference device rings." 2005. http://hdl.handle.net/10454/3339.

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No<br>We consider two distant mesoscopic SQUID rings, approximated with two-level systems, interacting with two-mode microwaves. The Hamiltonian of the system is used to calculate its time evolution. The cases with microwaves which at t = 0 are in separable states (classically correlated) or entangled states (quantum mechanically correlated) are studied. It is shown that the Josephson currents in the two SQUID rings are also correlated.

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15

楊天瑋. "Development of high-Tc superconducting quantum interference device." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/05803132962989948197.

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Jhag, Geng-Ming, and 張耿銘. "Fabrications and Characteristics of High-Tc Superconducting Quantum Interference Device." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/18805554764985066868.

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碩士<br>大葉大學<br>電機工程學系碩士班<br>93<br>Abstract For the development of homemade dc superconducting quantum interference device (dc SQUID) controller, it needs to fabricate a lot of dc SQUIDs. This thesis focuses on the process of high-Tc dc SQUIDs and the related technology. The Josephson junctions are formed by two different methods: 1. Step-edge SrTiO3 substrate fabricated by using diamond-like carbon thin film 2. SrTiO3 bicrystal substrate The single layer YBa2Cu3O7 thin film is growth by magnetron sputtering and pulsed laser deposition for fabricating high-Tc dc SQUIDs. The results show that

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Chiou, Jia-Rong, and 邱家榮. "Fabrication and Characteristics of High-Tc Superconducting Quantum Interference Device." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/30940643756077660137.

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Chuang, Yi-Chen, and 莊宜蓁. "Fabrication of YBCO Superconducting Quantum Interference Device by Selective Epitaxial Growth." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/28638748219731127095.

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碩士<br>國立交通大學<br>電子物理系<br>88<br>A process of “Selective epitaxial growth (SEG)” was used to fabricate high-Tc “Superconducting Quantum Interference Device (SQUID)” in-situ, avoiding degradation of superconducting thin films caused by after-deposition lithography. It was demonstrated that the SQUIDs made by the present process exhibit noticeable V-Φ modulations. The SEG process was realized by using a dc-sputtered TiO2 layer as the masking template on a 36.8∘SrTiO3 bicrystal substrate. To avoid the over-oxidation of the patterned photo resist (which retard the subsequent lift-off process signif

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19

Chen, Jau-Han, and 陳昭翰. "Integrated Directly Coupled High-Tc dc Superconducting Quantum Interference Device Magnetometers." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/48874790620497870493.

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博士<br>國立臺灣大學<br>物理學研究所<br>90<br>The main work of my dissertation is to develop high-Tc dc SQUID magnetometers for biomagnetic applications, especially for magnetocardiography (MCG). The integrated directly coupled dc SQUID magnetometers are developed toward this purpose, because the practical MCG system needs multichannel SQUIDs to perform real time measurement for large area magnetic field mapping. Two and four channel identical directly coupled dc SQUID magnetometers were fabricated on a 10 mm ´ 10 mm SrTiO3 bicrystal with an in-plane misorientation angle of 24º. The best device i

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20

Chen, Chin-Hao, and 陳勁豪. "The Design and Application of the Scanning Superconducting Quantum Interference Device Microscope." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/49482950408062139050.

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碩士<br>國立臺灣大學<br>物理學研究所<br>90<br>We used pulsed laser deposition method to grow YBa2Cu3O7 thin films on SrTiO3 bicrystal and the thin film were used to make SQUID. The YBCO thin film is grown by pulsed laser deposition. The SQUID is patterned by standard photolithography method and is etched by Ar-ion beam milling. The noise of the SQUID we made is 44 pT/Hz1/2 unshielded and 12 pT/Hz1/2 at 1 kHz in shielded environment. The effective area of the SQUID is 0.00578 mm2. The Vpp of the SQUID is 6 mV. A scanning SQUID microscope (SSM) used to scan samples at room temperature is design

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Chang, Chieh-Ping, and 張傑評. "Characteristics of Nb Superconducting Quantum Interference Device Fabricated by Focused Ion Beam." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/9j4tp9.

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碩士<br>國立中興大學<br>物理學系所<br>101<br>A low-transition-temperature niobium (Nb) Superconducting Quantum Interference Device (SQUID) was made using nanobridges and nano-trench as weak link. The thickness of Nb thin film was about 150 nm. A 125 nm-thick Au layer was deposited on the Nb film by DC magnetron sputtering. The Au layer served as an electrode and a protective layer on the Nb thin film, and increased the accuracy of focused ion beam (FIB) etching. Microbridges with a width of 5 μm were fabricated by photolithography using an argon ion milling system. Then, nanobridges ranging in 80-180 nm wi

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22

Chen, Ming-Jye, and 陳名傑. "Microtesla Nuclear Magnetic Resonance and Imaging with a Superconducting Quantum Interference Device." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/33743803677225256651.

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博士<br>國立臺灣大學<br>物理研究所<br>100<br>This work studied nuclear magnetic resonance with a high-Tc superconducting quantum interference device(SQUID) in the microtesla magnetic fields. In the scheme of measurement, the NMR signal was detected by a cooper solenoid at room temperatures and coupled to a very sensitive high-Tc SQUID magnetometer via a cooper transformer at liquid-nitrogen temperature. The samples were pre-polarized at higher magnetic fields, 600 Gauss, and measured at 100 μT magnetic field. In such a low measurement field, apparatus can be easily obtained by homemade. We constructed a th

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23

Ji-Cheng, Chen. "Fabrication and Characterization of Integrated High-TC Radio-Frequency Superconducting Quantum Interference Device." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2407200616123900.

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24

Chiu, Wen-Hwa, and 邱文華. "Design and Fabrication of Non-destructive Testing Probe of Superconducting Quantum Interference Device." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/55876409032724908249.

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碩士<br>大葉大學<br>車輛工程學系碩士班<br>93<br>ABSTRACT In the industrial world, various kinds of instruments and technology are utilized in non-destructive testing to find inherent and potential defects in products, in order to make products safer and more reliable. Such tests include, for example, the Visual Test, Liquid Penetrant Test, Ultrasonic Test and the Eddy Current Test, etc. The Superconducting QUantum Interference Device, is currently the most sensitive device for use in examinations of magnetism. SQUID was been used in scanner instruments measuring heart magnetism and brain magnetism. When us

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Chen, Ji-Cheng, and 陳智城. "Fabrication and Characterization of Integrated High-TC Radio-Frequency Superconducting Quantum Interference Device." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/08195736167755204515.

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博士<br>國立臺灣大學<br>物理研究所<br>94<br>The superconducting quantum interference device (SQUID) is one of the important applications of high-TC superconductors. Since the high sensitivity to magnetic fields, the SQUID magnetometers have been used in many researches on weak field detections. They have been widely used in non-destructive evaluation (NDE), scanning SQUID microscope (SSM), magnetocardiology (MCG), magnetoencephalography (MEG), and low field nuclear magnetic resonance (NMR). Most of the high-TC SQUID magnetometers in use are dc SQUIDs. The dc SQUID has two Josephson junctions in a supercond

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Hsu, Min-Hsiang, and 許閔翔. "Fabrication and characterization of flip-chip high Tc superconducting quantum interference device magnetometer." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/47426924356719621438.

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碩士<br>中原大學<br>應用物理研究所<br>94<br>Superconducting quantum interference device (SQUID) is the most sensitive device for detecting very weak magnetic flux so far. In this thesis, we mainly deal with the fabrications and studies of two types of DC SQUID, namely, washer type and directly coupling type. The washer type SQUID has large thin film area and the directly coupling SQUID has a large loop area. Both types couple directly the induced current to themselves to improve the effective area. Using the above two types of DC SQUID as the main frame, after covered with a center-removed superconductor l

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Cheng, Pei-Yu, and 鄭培煜. "Design and Simulation of the Superconducting Quantum Interference Device Measurement System with Planar Gradiometers." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/26411779958457707859.

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碩士<br>國立中興大學<br>物理學系所<br>98<br>Superconducting QUantum Interference Devices (SQUIDs) have been extensively used in the detection of very small magnetic signals. We have designed a SQUID measurement system including a pick-up coil in a gradiometer configuration which can cancel the background noise and strong uniform DC magnetic field. We use this system to detect the variation of the magnetic dipoles of GaAs in a strong magnetic field. We have estimated the flux from the sample, inductance of the coils and also the detecting limit of the voltage signal. We demonstrate the operation method of t

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Pranjoto, Hartono. "Digital/analog data acquisition and signal processing for the Superconductive Quantum Interference Device (SQUID)." 1987. http://catalog.hathitrust.org/api/volumes/oclc/15730050.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1987.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 5/1-5/3).

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29

Chen, Kuen-Lin. "Fabrication and Characterization of Multifunctional High-Tc Superconducting Quantum Interference Device Magnetometers and Gradiometers." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2407200800101500.

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30

Li, Kuo-Chih, and 李國誌. "Design and Test the Measurement System by Planar Gradiometers and Superconducting Quantum Interference Device." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/19105008542546872123.

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碩士<br>國立中興大學<br>物理學系所<br>98<br>We present a measurement system incorporating a superconducting quantum interference device (SQUID) and planar gradiometers for detecting small magnetization signals from the sample placing at low temperature (down to 1.5 K) and in high magnetic field (up to 14 T). The SQUID is from STAR Cryoelectronics. We have designed and fabricated a planar gradiometer to cancel the background magnetic field and noise. We measured the variation of the magnetic dipoles of a GaAs chip at 1.5 K in strong magnetic fields. However, the observed variation of the magnetic moment is

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31

Chen, Kuen-Lin, and 陳坤麟. "Fabrication and Characterization of Multifunctional High-Tc Superconducting Quantum Interference Device Magnetometers and Gradiometers." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/39048529613589698620.

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博士<br>國立臺灣大學<br>物理研究所<br>96<br>After the discovery of high-transition-temperature superconducting (HTS) material, many HTS superconducting-quantum-interference-device (SQUID) systems have been constructed and applied to different applications such as nondestructive evaluation (NDE), scanning SQUID microscope (SSM), magnetocardiography (MCG), magnetoencephalography (MEG), low field nuclear magnetic resonance (NMR), etc. For practical applications, a multichannel system is more useful and powerful, especially in biomagnetic research. A multichannel system could perform a large area measurement a

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Zhuang, Ben-Yuan, and 莊本原. "High - Tc Superconducting Quantum Interference Device Vibrating Sample Magnetometer for the detection of biomolecules." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/08969985910456682198.

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33

Hopkins, David Scott. "Measurements of superconducting phase gradients by a nanowire quantum interference device templated by DNA molecules /." 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3250258.

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Thesis (Ph. D.)--University of Illinois at Urbana-Champaign, 2006.<br>Source: Dissertation Abstracts International, Volume: 68-02, Section: B, page: 1031. Adviser: Alexey Bezryadin. Includes bibliographical references. Available on microfilm from Pro Quest Information and Learning.

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Chen, Kuen-Lin, та 陳坤麟. "The YBa2Cu3O7-δ Thin Film and Superconducting Quantum Interference Device Fabricated by Off-Axis Pulse Laser Deposition". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/75207440382714761481.

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碩士<br>國立臺灣大學<br>物理學研究所<br>89<br>Abstract The thin films for electronic applications are generally required to have smooth surfaces. However, the film surface roughness is greatly dependent on deposition parameters. This thesis mainly discusses how to use off-axis Pulse Laser Deposition to fabricate the YBa2Cu3O7-δ thin film with smoother surface. We change the deposition parameters, such as laser repetition rate, oxygen pressure…et al., to get different surface roughness and use AFM to determine them. Moreover, different deposition parameters will cause different superconducting

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林鳳群. "The development of 8-channel high-Tc Superconducting-Quantum-Interference-Device-based immunoassay analyzer with Tau protein detection." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/11785026162059235842.

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"Development of Cryogenic Detection Systems for a Search of the Neutron Electric Dipole Moment." Doctoral diss., 2019. http://hdl.handle.net/2286/R.I.53776.

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abstract: Seeking an upper limit of the Neutron Electric Dipole Moment (nEDM) is a test of charge-parity (CP) violation beyond the Standard Model. The present experimentally tested nEDM upper limit is 3x10^(26) e cm. An experiment to be performed at the Oak Ridge National Lab Spallation Neutron Source (SNS) facility seeks to reach the 3x10^(28) e cm limit. The experiment is designed to probe for a dependence of the neutron's Larmor precession frequency on an applied electric eld. The experiment will use polarized helium-3 (3He) as a comagnetometer, polarization analyzer, and detector. System

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