An LTS/HTS NMR magnet operated in the range 600-700 MHz

Juan Bascuñán, Wooseok Kim, Seungyong Hahn, Emanuel S. Bobrov, Haigun Lee, Yukikazu Iwasa

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

As part of our 3-phase program to develop a high resolution 1 GHz LTS/HTS NMR magnet, a system composed of a 600 MHz LTS background NMR magnet and an HTS Insert operating in the range 75 to 100 MHz has been built and tested. Operated at 4.2 K, immersed in a bath of liquid helium, the Phase 2 LTS/HTS magnet, the LTS magnet in persistent mode and the HTS Insert powered by a stable supply, generated an NMR frequency of 692.2 MHz (16.26 T): the LTS magnet, with 234.4 A, at 588.7 MHz (13.83 T); and the HTS insert, with 115.95 A, at 103.5 MHz (2.43 T). This paper presents results of the magnet operation during test geared to the design of room temperature shim coils and ferromagnetic tiles. Magnetization effects of the HTS insert on field distribution are also reported.

Original languageEnglish
Pages (from-to)1446-1449
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume17
Issue number2
DOIs
Publication statusPublished - 2007 Jun

Keywords

  • BSCCO tape
  • HTS insert
  • LTS/HTS NMR magnet
  • NMR magnet

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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