Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.8Pb0.2Sr1.8Nd0.2CaCu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.20 |
296 |
5.396 |
5.410 |
30.66 |
LN |
8.15 |
296 |
5.398 |
5.414 |
30.77 |
PA |
8.19 |
296 |
5.406 |
5.413 |
30.75 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
The authors indicate that the uncertainties in the cell parameters were ±0.005 σ for the a-axis and b-axis values, and ±0.05 σ for the c-axis values.
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.20 |
83 |
LN |
8.15 |
77 |
PA |
8.19 |
86 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.6Pb0.4Sr1.6Nd0.4CaCu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.17 |
296 |
5.400 |
5.416 |
30.60 |
LN |
8.18 |
296 |
5.403 |
5.424 |
30.68 |
PA |
8.18 |
296 |
5.406 |
5.425 |
30.62 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.17 |
72 |
LN |
8.18 |
43 |
PA |
8.18 |
62 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.4Pb0.6Sr1.4Nd0.6CaCu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.22 |
296 |
5.416 |
5.432 |
30.50 |
LN |
8.16 |
296 |
5.411 |
5.435 |
30.53 |
PA |
8.18 |
296 |
5.406 |
5.425 |
30.52 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.22 |
25 |
LN |
8.16 |
|
PA |
8.18 |
|
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.6Pb0.4Sr1.8Nd0.2CaCu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.11 |
296 |
5.390 |
5.413 |
30.71 |
LN |
8.08 |
296 |
5.400 |
5.426 |
30.80 |
PA |
8.10 |
296 |
5.400 |
5.426 |
30.79 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.11 |
84 |
LN |
8.08 |
81 |
PA |
8.10 |
87 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.8Pb0.2Sr2Ca0.8Nd0.2Cu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.21 |
296 |
5.401 |
5.409 |
30.74 |
LN |
8.18 |
296 |
5.406 |
5.420 |
30.84 |
PA |
8.21 |
296 |
5.410 |
5.419 |
30.78 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.21 |
84 |
LN |
8.18 |
81 |
PA |
8.21 |
86 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.6Pb0.4Sr2Ca0.6Nd0.4Cu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.26 |
296 |
5.412 |
5.430 |
30.66 |
LN |
8.23 |
296 |
5.409 |
5.429 |
30.77 |
PA |
8.23 |
296 |
5.416 |
5.429 |
30.73 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.26 |
81 |
LN |
8.23 |
65 |
PA |
8.23 |
82 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.4Pb0.6Sr2Ca0.4Nd0.6Cu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.24 |
296 |
5.422 |
5.441 |
30.61 |
LN |
8.18 |
296 |
5.422 |
5.448 |
30.67 |
PA |
8.20 |
296 |
5.416 |
5.443 |
30.63 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.24 |
65 |
LN |
8.18 |
|
PA |
8.20 |
40 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data
Material Specification for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Process: Solid State Reaction
Notes: "Samples... were prepared by heating appropriate mixtures of Bi(NO3)3•5H2O (DAB 6; Merck), PbO (p.A.; Merck), Sr(NO3)2, (p.A.; Merck), CaCO3 (p.A.; Merck), Nd2O3 (99.9%: Rhone Poulenc) and CuO (p.A.; Merck) in corundum boats (Degussit Al 23) in air at 870 °C. The reaction was interrupted several times for regrindings and for X-ray analysis... The heat treatment was stopped after no further change was detected on the X-ray diagram. This stage was obtained after a reaction time above 150 h and a pelletizing process was introduced... Aliquots of these materials were subsequently subjected to several operations: heating about 3 h at the reaction temperature and air quenching (AQ), quenching with liquid N2 (LN) and post-annealing at the reaction temperature for about 70 h (PA)."
Formula: Bi1.6Pb0.4Sr2Ca0.8Nd0.2Cu2Ox
Informal Name: Bi:2212
Chemical Family: Bi(Pb)-Sr(Nd)-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Crystallography for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Crystal System: | Orthorhombic |
Formula Units per Cell: | |
Space Group: |
|
Cell Parameters
Heat Treatment () |
x of Ox (formula units) |
Temp
K
|
a
Å
|
b
Å
|
c
Å
|
AQ |
8.16 |
296 |
5.393 |
5.418 |
30.74 |
LN |
8.06 |
296 |
5.400 |
5.420 |
30.84 |
PA |
8.21 |
296 |
5.391 |
5.410 |
30.74 |
Measurement Method: X-ray diffraction
"The... products were examined by powder X-ray diffraction... (using a)... Philips powder diffractometer, CuKα radiation, Au standard." No additional measurement details were noted.
Cautions: Evaluated Data
Critical Temperature for Bi:2212; [Bi(Pb)-Sr(Nd)-Ca-Cu-O]
Heat Treatment () |
x of Ox (formula units) |
Critical Temperature (K) |
AQ |
8.16 |
85 |
LN |
8.06 |
87 |
PA |
8.21 |
87 |
Measurement Method: Four-probe method
"Electric resistivity measurements were carried out using a standard four-probe DC technique." No additional measurement details were noted.
Cautions: Evaluated Data