Published February 1994
| Version v1
Journal article
Paramagnetic Meissner effect in HTSC
Creators
- 1. 2. Phys. Inst., Univ. zu Koeln (Germany)
- 2. Lebedev Phys. Inst., Russian Academy of Sciences, Moscow (Russian Federation)
Description
For certain polycrystalline Bi-HTSC samples, a surprising feature was observed: instead of the usual diamagnetic response of the dc field-cooling (FC) signal, a paramagnetic moment develops below Tc for fields < 1 Oe. This effect correlates with an anomaly in the low-field microwave absorption. The data are consistent with spontaneous paramagnetic moments due to spontaneous orbital supercurrents. Such currents may originate in so called π-contacts in the weak link network of polycrystalline material. (orig.)
Additional details
Additional titles
- Augmented title (English)
- BiSrCaCuO
Publishing Information
- Journal Title
- Physica. B, Condensed Matter
- Journal Volume
- 194-196
- Journal Page Range
- p. 2229-2230.
- ISSN
- 0921-4526
- CODEN
- PHYBE3
Conference
- Title
- 20. IUPAP international conference on low temperature physics (LT-20).
- Dates
- 4-11 Aug 1993.
- Place
- Eugene, OR (United States).
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 25057260
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BISMUTH OXIDES; CALCIUM OXIDES; COOPER PAIRS; COPPER OXIDES; DIAMAGNETISM; ELECTRIC CONTACTS; HIGH-TC SUPERCONDUCTORS; IMPURITIES; MAGNETIC MOMENTS; MAGNETIC SUSCEPTIBILITY; MAGNETIZATION; MEISSNER-OCHSENFELD EFFECT; MICROWAVE RADIATION; MIXTURES; PARAMAGNETISM; POLYCRYSTALS; SPIN GLASS STATE; STRONTIUM OXIDES; SUPERCONDUCTIVITY; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0000-0013 K; TEMPERATURE RANGE 0013-0065 K; TEMPERATURE RANGE 0065-0273 K; TRANSITION TEMPERATURE
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BISMUTH COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; CRYSTALS; DISPERSIONS; ELECTRIC CONDUCTIVITY; ELECTRICAL EQUIPMENT; ELECTRICAL PROPERTIES; ELECTROMAGNETIC RADIATION; EQUIPMENT; MAGNETIC PROPERTIES; MAGNETISM; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIATIONS; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS