3D SQUID microscope for sensing vector magnetic fields
| Project/Area Number |
15K13979
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Electron device/Electronic equipment
|
|---|
| Research Institution | Osaka Prefecture University |
|---|
Principal Investigator |
Ishida Takekazu 大阪府立大学, 工学(系)研究科(研究院), 教授 (00159732)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
MAEZAWA Masaaki 国立研究開発法人産業技術総合研究所, ナノエレクトロニクス研究部門, 主任研究員 (40357976)
HAYASHI Masahiko 秋田大学, 教育文化学部, 教授 (60301040)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
HIDAKA Mutsuo 国立研究開発法人産業技術総合研究所, ナノエレクトロニクス研究部門, 上級主任研究員 (20500672)
MIYAJIMA Shigeyuki 大阪府立大学, 客員研究員 (50708055)
|
|---|
| Project Period (FY) |
2015-04-01 – 2016-03-31
|
| Project Status |
Completed (Fiscal Year 2015)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
|
|---|
| Keywords | 超伝導材料・素子 / SQUID素子 / 走査型顕微鏡 / 画像処理 |
|---|
| Outline of Final Research Achievements |
We designed a vector sensor for sensing magnetic fields by using a 3-dimensional (3D) scanning superconducting quantum interference device (SQUID) microscope. A vector senor consists of three SQUID sensors on the same chip and each SQUID sensor has a pick-up coil for X, Y, or Z direction. Three coils with readout circuits are configured in orthogonal with each other to measure the magnetic field vector. The critical current density Jc of a Josephson junction (JJ) is 320 A/cm2 and the minimum critical current Ic of JJ becomes 12uA. We use an XYZ piezo-driven scanner for controlling the position of the pick-up coils in the range of 5 mm x 5 mm at low temperatures. The room-temperature electronics has the bandwidth of 6 MHz.
The software for the image processing of the scanning SQUID microscope has been improved so that the estimated magnetic flux after process is close to the true value. A function to calculate the magnetic flux inside an area on the image has been newly provided.
|
Report
(2 results)
Research Products
(25 results)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Presentation] Vortex Distribution in Small Star-Shaped Mo80Ge20 Plate2015
Author(s)
V. T. Dang, H. Mastsumoto, H. Miyoshi, H. T. Huy, H. Shishido, M. Kato, T. Ishida
Organizer
Ninth international conference in school format on Vortex Matter in nanostructured Superconductors (VORTEX IX)
Place of Presentation
Aldemar Resorts Amilia Mare, Rhodes, Greece
Year and Date
2015-09-16
Related Report
Int'l Joint Research
-
-
-
-
[Presentation] Highly doped organic-inorganic hybrid materials for memory and laser applications. Vortices in Small Concave Decagon Mo80Ge20 Plate2015
Author(s)
H. Masutmoto, H. Miyoshi, T. Okamoto, V. T. Dang, H. T. Huy, S. Miyajima, H. Shishido, M. Kato, N. Fujita, M. Hayashi, T. Ishida
Organizer
Advances in Studies of Superconducting Hybrids: Theory and Modeling vs Experimen
Place of Presentation
Hotel le Dauphin, Arcachon, France
Year and Date
2015-05-17
Related Report
Int'l Joint Research
-
