Abstract
The volume pinning forces, Fp, of several high-Tc superconductors are compared to each other using literature data and to those obtained in NdBa2Cu3O7-δ samples. It is shown that the pinning at small normal inclusions which is dominant in most high-Tc systems, leads to a peak at around 0.3 when plotting the normalized volume pinning forces, Fp/Fp,max, versus the reduced field defined by h = H/Hirr. Furthermore, relaxation effects play a significant role in the Fp diagrams, especially in the high h regions thus causing the typical rounded-off 'tail'. In contrast to this, NdBCO shows the peak at ≈0.5, thus indicating a strong pinning at small superconducting regions (ΔK/ΔTc-pinning).
| Original language | English |
|---|---|
| Pages (from-to) | 2193-2194 |
| Number of pages | 2 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 282 |
| Issue number | PART 4 |
| DOIs | |
| Publication status | Published - 1997 Jan 1 |
| Externally published | Yes |
Fingerprint
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
Cite this
Pinning forces and scaling in high-Tc superconductors. / Koblischka, Michael Rudolf.
In: Physica C: Superconductivity and its Applications, Vol. 282, No. PART 4, 01.01.1997, p. 2193-2194.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Pinning forces and scaling in high-Tc superconductors
AU - Koblischka, Michael Rudolf
PY - 1997/1/1
Y1 - 1997/1/1
N2 - The volume pinning forces, Fp, of several high-Tc superconductors are compared to each other using literature data and to those obtained in NdBa2Cu3O7-δ samples. It is shown that the pinning at small normal inclusions which is dominant in most high-Tc systems, leads to a peak at around 0.3 when plotting the normalized volume pinning forces, Fp/Fp,max, versus the reduced field defined by h = H/Hirr. Furthermore, relaxation effects play a significant role in the Fp diagrams, especially in the high h regions thus causing the typical rounded-off 'tail'. In contrast to this, NdBCO shows the peak at ≈0.5, thus indicating a strong pinning at small superconducting regions (ΔK/ΔTc-pinning).
AB - The volume pinning forces, Fp, of several high-Tc superconductors are compared to each other using literature data and to those obtained in NdBa2Cu3O7-δ samples. It is shown that the pinning at small normal inclusions which is dominant in most high-Tc systems, leads to a peak at around 0.3 when plotting the normalized volume pinning forces, Fp/Fp,max, versus the reduced field defined by h = H/Hirr. Furthermore, relaxation effects play a significant role in the Fp diagrams, especially in the high h regions thus causing the typical rounded-off 'tail'. In contrast to this, NdBCO shows the peak at ≈0.5, thus indicating a strong pinning at small superconducting regions (ΔK/ΔTc-pinning).
UR - http://www.scopus.com/inward/record.url?scp=0031213437&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0031213437&partnerID=8YFLogxK
U2 - 10.1016/S0921-4534(97)01238-0
DO - 10.1016/S0921-4534(97)01238-0
M3 - Article
VL - 282
SP - 2193
EP - 2194
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - PART 4
ER -