Material Specification for Y:123; [Y-Ba-Cu-O]
Process: Solid State Reaction
Notes: "The samples were prepared by the standard solid state reaction process, under identical conditions. High purity Y2O3, BaCO3, CuO and Co3O4 or ZnO were thoroughly ground in the appropriate proportions and then calcined at 850 °C for 12 h. The samples were then reground, pressed into pellets and sintered at 900 °C, 935 °C and 940 °C for a total period of 36 h (about 12 h at each temperature), with two intermediate grindings and pressings. The final heat treatment was carried out in an oxygen atmosphere with a very slow cooling rate ( (about) 1 °C/min) to ensure an adequate uptake of oxygen... For each doping concentration the samples were ground in a mortar and pestle for about 100 min... The c-axes of the samples were aligned in molten Okerin wax at 80 °C by applying a static field of 6 T. The wax was then cooled through its melting point whilst maintaining the field. Small blocks of approximate dimensions 1.8 x 1.8 x 6 mm3 were cut from the aligned YBCO/wax composites using a sharp scalpel. Different blocks were studied which had their c-axes parallel and perpendicular to the long dimension. Each block of the composite contained 23.0±0.3 mg of superconductor, with a volume dilution ratio (wax: YBCO) of 3.5:1."
Formula: YBa2Cu3O7-y
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Critical Temperature for Y:123; [Y-Ba-Cu-O]
| x (formula units) |
Critical Temperature (K) |
| -- |
92.9 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Magnetic Susceptibility for Y:123; [Y-Ba-Cu-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Magnetic Susceptibility (arbitrary) |
| -- |
//c-axis |
7 |
-0.78 |
| -- |
//c-axis |
20 |
-0.77 |
| -- |
//c-axis |
40 |
-0.76 |
| -- |
//c-axis |
60 |
-0.75 |
| -- |
//c-axis |
80 |
-0.68 |
| -- |
//c-axis |
91 |
-0.36 |
| -- |
//c-axis |
93 |
-0.01 |
| -- |
//c-axis |
109 |
0 |
| -- |
//ab-plane |
7 |
-0.44 |
| -- |
//ab-plane |
21 |
-0.44 |
| -- |
//ab-plane |
35 |
-0.43 |
| -- |
//ab-plane |
60 |
-0.39 |
| -- |
//ab-plane |
80 |
-0.33 |
| -- |
//ab-plane |
94 |
-0.01 |
| -- |
//ab-plane |
110 |
0 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 3 of the paper.
Penetration Depth for Y:123; [Y-Ba-Cu-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Penetration Depth (σ) |
| -- |
//ab-plane |
7 |
1400 |
| -- |
//ab-plane |
17 |
1400 |
| -- |
//ab-plane |
26 |
1500 |
| -- |
//ab-plane |
33 |
1500 |
| -- |
//ab-plane |
37 |
1500 |
| -- |
//ab-plane |
40 |
1600 |
| -- |
//c-axis |
8 |
10400 |
| -- |
//c-axis |
16 |
10500 |
| -- |
//c-axis |
22 |
10600 |
| -- |
//c-axis |
29 |
10700 |
| -- |
//c-axis |
34 |
10800 |
| -- |
//c-axis |
38 |
10900 |
| -- |
//c-axis |
40 |
11000 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 4 of the paper.
Material Specification for Y:123; [Y-Ba-Cu(Co)-O]
Process: Solid State Reaction
Notes: "The samples were prepared by the standard solid state reaction process, under identical conditions. High purity Y2O3, BaCO3, CuO and Co3O4 or ZnO were thoroughly ground in the appropriate proportions and then calcined at 850 °C for 12 h. The samples were then reground, pressed into pellets and sintered at 900 °C, 935 °C and 940 °C for a total period of 36 h (about 12 h at each temperature), with two intermediate grindings and pressings. The final heat treatment was carried out in an oxygen atmosphere with a very slow cooling rate ( (about) 1 °C/min) to ensure an adequate uptake of oxygen... For each doping concentration the samples were ground in a mortar and pestle for about 100 min... The c-axes of the samples were aligned in molten Okerin wax at 80 °C by applying a static field of 6 T. The wax was then cooled through its melting point whilst maintaining the field. Small blocks of approximate dimensions 1.8 x 1.8 x 6 mm3 were cut from the aligned YBCO/wax composites using a sharp scalpel. Different blocks were studied which had their c-axes parallel and perpendicular to the long dimension. Each block of the composite contained 23.0±0.3 mg of superconductor, with a volume dilution ratio (wax: YBCO) of 3.5:1."
Formula: YBa2Cu3-xCoxO7-y
Informal Name: Y:123
Chemical Family: Y-Ba-Cu(Co)-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Critical Temperature for Y:123; [Y-Ba-Cu(Co)-O]
| x (formula units) |
Critical Temperature (K) |
| 0.045 |
94.4 |
| 0.12 |
80.0 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Magnetic Susceptibility for Y:123; [Y-Ba-Cu(Co)-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Magnetic Susceptibility (arbitrary) |
| 0.045 |
//c-axis |
8 |
-0.71 |
| 0.045 |
//c-axis |
20 |
-0.71 |
| 0.045 |
//c-axis |
60 |
-0.68 |
| 0.045 |
//c-axis |
80 |
-0.56 |
| 0.045 |
//c-axis |
93 |
-0.01 |
| 0.045 |
//c-axis |
109 |
0 |
| 0.045 |
//ab-plane |
6 |
-0.38 |
| 0.045 |
//ab-plane |
20 |
-0.37 |
| 0.045 |
//ab-plane |
41 |
-0.36 |
| 0.045 |
//ab-plane |
60 |
-0.35 |
| 0.045 |
//ab-plane |
81 |
-0.25 |
| 0.045 |
//ab-plane |
93 |
-0.01 |
| 0.045 |
//ab-plane |
109 |
0 |
| 0.12 |
//c-axis |
8 |
-0.71 |
| 0.12 |
//c-axis |
20 |
-0.70 |
| 0.12 |
//c-axis |
40 |
-0.69 |
| 0.12 |
//c-axis |
60 |
-0.64 |
| 0.12 |
//c-axis |
76 |
-0.33 |
| 0.12 |
//c-axis |
82 |
-0.01 |
| 0.12 |
//c-axis |
110 |
0 |
| 0.12 |
//ab-plane |
8 |
-0.21 |
| 0.12 |
//ab-plane |
21 |
-0.21 |
| 0.12 |
//ab-plane |
41 |
-0.20 |
| 0.12 |
//ab-plane |
60 |
-0.18 |
| 0.12 |
//ab-plane |
80 |
-0.01 |
| 0.12 |
//ab-plane |
110 |
0 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 3 of the paper.
Penetration Depth for Y:123; [Y-Ba-Cu(Co)-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Penetration Depth (σ) |
| 0.045 |
//ab-plane |
9 |
2000 |
| 0.045 |
//ab-plane |
16 |
2100 |
| 0.045 |
//ab-plane |
21 |
2100 |
| 0.045 |
//ab-plane |
28 |
2100 |
| 0.045 |
//ab-plane |
34 |
2200 |
| 0.045 |
//ab-plane |
37 |
2200 |
| 0.045 |
//ab-plane |
38 |
2200 |
| 0.045 |
//ab-plane |
39 |
2200 |
| 0.045 |
//ab-plane |
40 |
2200 |
| 0.045 |
//c-axis |
9 |
11600 |
| 0.045 |
//c-axis |
17 |
11700 |
| 0.045 |
//c-axis |
25 |
11800 |
| 0.045 |
//c-axis |
31 |
12000 |
| 0.045 |
//c-axis |
36 |
12100 |
| 0.045 |
//c-axis |
40 |
12200 |
| 0.12 |
//ab-plane |
8 |
2000 |
| 0.12 |
//ab-plane |
21 |
2100 |
| 0.12 |
//ab-plane |
27 |
2100 |
| 0.12 |
//ab-plane |
32 |
2100 |
| 0.12 |
//ab-plane |
36 |
2200 |
| 0.12 |
//ab-plane |
39 |
2200 |
| 0.12 |
//ab-plane |
40 |
2200 |
| 0.12 |
//c-axis |
8 |
19800 |
| 0.12 |
//c-axis |
10 |
19900 |
| 0.12 |
//c-axis |
19 |
20100 |
| 0.12 |
//c-axis |
29 |
20400 |
| 0.12 |
//c-axis |
36 |
20800 |
| 0.12 |
//c-axis |
40 |
21000 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 4 of the paper.
Material Specification for Y:123; [Y-Ba-Cu(Zn)-O]
Process: Solid State Reaction
Notes: "The samples were prepared by the standard solid state reaction process, under identical conditions. High purity Y2O3, BaCO3, CuO and Co3O4 or ZnO were thoroughly ground in the appropriate proportions and then calcined at 850 °C for 12 h. The samples were then reground, pressed into pellets and sintered at 900 °C, 935 °C and 940 °C for a total period of 36 h (about 12 h at each temperature), with two intermediate grindings and pressings. The final heat treatment was carried out in an oxygen atmosphere with a very slow cooling rate ( (about) 1 °C/min) to ensure an adequate uptake of oxygen... For each doping concentration the samples were ground in a mortar and pestle for about 100 min... The c-axes of the samples were aligned in molten Okerin wax at 80 °C by applying a static field of 6 T. The wax was then cooled through its melting point whilst maintaining the field. Small blocks of approximate dimensions 1.8 x 1.8 x 6 mm3 were cut from the aligned YBCO/wax composites using a sharp scalpel. Different blocks were studied which had their c-axes parallel and perpendicular to the long dimension. Each block of the composite contained 23.0±0.3 mg of superconductor, with a volume dilution ratio (wax: YBCO) of 3.5:1."
Formula: YBa2Cu3-xZnxO7-y
Informal Name: Y:123
Chemical Family: Y-Ba-Cu(Zn)-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Critical Temperature for Y:123; [Y-Ba-Cu(Zn)-O]
| x (formula units) |
Critical Temperature (K) |
| 0.15 |
41.5 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Magnetic Susceptibility for Y:123; [Y-Ba-Cu(Zn)-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Magnetic Susceptibility (arbitrary) |
| 0.15 |
//c-axis |
7 |
-0.60 |
| 0.15 |
//c-axis |
20 |
-0.57 |
| 0.15 |
//c-axis |
40 |
-0.14 |
| 0.15 |
//c-axis |
42 |
-0.01 |
| 0.15 |
//c-axis |
53 |
-0.01 |
| 0.15 |
//ab-plane |
7 |
-0.31 |
| 0.15 |
//ab-plane |
20 |
-0.27 |
| 0.15 |
//ab-plane |
31 |
-0.20 |
| 0.15 |
//ab-plane |
42 |
0 |
| 0.15 |
//ab-plane |
53 |
0 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 3 of the paper.
Penetration Depth for Y:123; [Y-Ba-Cu(Zn)-O]
| x (formula units) |
Field Direction () |
Temperature (K) |
Penetration Depth (σ) |
| 0.15 |
//ab-plane |
8 |
3300 |
| 0.15 |
//ab-plane |
13 |
3400 |
| 0.15 |
//ab-plane |
17 |
3600 |
| 0.15 |
//ab-plane |
19 |
3700 |
| 0.15 |
//c-axis |
8 |
15100 |
| 0.15 |
//c-axis |
14 |
15700 |
| 0.15 |
//c-axis |
18 |
16200 |
| 0.15 |
//c-axis |
20 |
16800 |
| 0.15 |
//c-axis |
22 |
17100 |
Measurement Method: Ac susceptibility
"The susceptibility results were obtained using a commerical Lake Shore AC susceptometer (model 7000) with fields H
applied parallel to the long dimension of the blocks. The standard measuring field was (0.3 mT = 3 G) RMS at a frequency of 333 Hz. The susceptometer was used in the sweep mode at a rate of 1 K/min with the sample positioned in the bottom coil throughout. The pick-up voltage was found to be linear in H
to within 1% at 4.2 K for values of H
from (0.01 mT = 0.1 G) to (1 mT = 10 G) RMS and at frequencies up to 667 Hz. This confirmed that the grains were insulated from each other within the wax (the corresponding signal from a polycrystalline sample is highly non-linear in both field and frequency due to inter-granular weak links)... The magnetic susceptibility data for powder samples can be used to determine the magnetic penetration depth ... For an isolated superconducting sphere of radius a and penetration depth... the magnetic moment m is given by London's formula..."
Cautions: Evaluated Data
Digitized data were obtained from Figure 4 of the paper.
