NIST High Temp. Superconducting Materials (HTS) Database:

NIST Standard Reference Database 62

Last Update to Data Content: 1996

DOI: https://doi.org/10.18434/T4KP8J


Bibliographic Information

Title: Measurement of critical temperature (Tc)
Author(s): Not Available
Publication: STA Project Data Volume: Not Available Issue: Not Available Year: 1990 Page(s): Not Available
Editor(s): Not Available
Publisher: Science and Technology Agency of Japan
Language: Japanese
Notes: STA sheet number: 1171-1179,1181,1182
Keywords: Material Specification, Critical Temperature, Resistivity (normal state)

Materials and Properties

Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Y:123; [Y-Ba-Cu-O]
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.9
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BMK69Y
Production Form:

Critical Temperature for Y:123; [Y-Ba-Cu-O]
Critical Temperature (K)
89
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
90.2 0.0365
91.9 0.136
93.6 0.629
95.3 0.675
97.1 0.703
98.8 0.712
100.5 0.739
102.2 0.740
104.0 0.766
105.7 0.775
107.4 0.776
109.1 0.784
110.9 0.801
112.6 0.812
114.3 0.821
116.1 0.830
117.8 0.839
119.5 0.840
121.2 0.857
123.0 0.866
124.7 0.868
126.4 0.877
128.1 0.884
129.9 0.893
131.6 0.895
133.3 0.902
135.0 0.913
136.8 0.913
138.5 0.920
140.2 0.932
141.9 0.932
143.7 0.947
145.4 0.950
147.1 0.959
148.8 0.971
150.6 0.977
152.3 0.977
154.0 0.992
155.7 0.995
157.5 1.00097
159.2 1.0100
160.9 1.0191
162.6 1.0228
164.4 1.0228
166.1 1.0320
167.8 1.0461
169.5 1.0502
171.3 1.0594
173.0 1.0594
174.7 1.0594
176.4 1.0730
178.2 1.0776
179.9 1.0820
181.6 1.0868
183.3 1.0959
185.1 1.105
186.8 1.114
188.5 1.114
190.2 1.122
192.0 1.132
193.7 1.136
195.4 1.142
197.1 1.142
198.9 1.151
200.6 1.151
202.3 1.163
204.0 1.169
205.8 1.169
207.5 1.181
209.2 1.187
210.9 1.196
212.7 1.199
214.4 1.205
216.1 1.205
217.8 1.215
219.6 1.217
221.3 1.224
223.0 1.233
224.7 1.235
226.5 1.242
228.2 1.244
229.9 1.251
231.6 1.253
233.4 1.260
235.1 1.262
236.8 1.269
238.5 1.279
240.3 1.280
242.0 1.288
243.7 1.289
245.5 1.297
247.2 1.306
248.9 1.307
250.6 1.333
252.4 1.342
254.1 1.342
255.8 1.352
257.5 1.352
259.3 1.352
261.0 1.361
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.6
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BMK66Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
0.53 0.01515
0.5458 0.27778
0.5616 0.79614
0.5774 1.02617
0.5932 1.2741
0.6089 1.43297
0.6247 1.48623
0.6405 1.55005
0.6563 1.62213
0.6721 1.65152
0.6879 1.69927
0.7037 1.74747
0.7195 1.75895
0.7352 1.77273
0.751 1.78788
0.7668 1.78788
0.7826 1.78788
0.7984 1.80119
0.8142 1.80303
0.83 1.80303
0.8458 1.80303
0.8615 1.8168
0.8773 1.81818
0.8931 1.81818
0.9089 1.83333
0.9247 1.83333
0.9405 1.84848
0.9563 1.84848
0.9721 1.86364
0.9878 1.86364
1.0036 1.86364
1.0194 1.87879
1.0352 1.88246
1.051 1.89394
1.0668 1.89394
1.0826 1.89394
1.0984 1.91322
1.1141 1.93939
1.1299 1.93939
1.1457 1.95455
1.1615 1.9697
1.1773 1.97062
1.1931 1.98485
1.2089 2
1.2247 2
1.2404 2.01515
1.2562 2.0303
1.272 2.0303
1.2878 2.04545
1.3036 2.06244
1.3194 2.07576
1.3352 2.10055
1.351 2.11203
1.3667 2.12121
1.3825 2.12121
1.3983 2.13636
1.4141 2.15152
1.4299 2.16942
1.4457 2.18182
1.4615 2.18182
1.4773 2.19697
1.493 2.21212
1.5088 2.22727
1.5246 2.24242
1.5404 2.27273
1.5562 2.2764
1.572 2.28788
1.5878 2.29936
1.6036 2.31084
1.6193 2.31818
1.6351 2.33333
1.6509 2.34527
1.6667 2.35675
1.6825 2.37879
1.6983 2.39302
1.7141 2.37879
1.7299 2.39394
1.7456 2.42929
1.7614 2.43939
1.7772 2.45455
1.793 2.45455
1.8088 2.48485
1.8246 2.48669
1.8404 2.5
1.8562 2.51515
1.872 2.51515
1.8877 2.51515
1.9035 2.54545
1.9193 2.54545
1.9351 2.54545
1.9509 2.56336
1.9667 2.59091
1.9825 2.60606
1.9983 2.60606
2.014 2.60606
2.0298 2.6359
2.0456 2.63636
2.0614 2.63636
2.0772 2.65152
2.093 2.66667
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.9
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BMK69YC
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
90 0.01372
91.9 0.26524
93.8 0.45085
95.7 0.47547
97.6 0.49067
99.5 0.50305
101.5 0.51192
103.4 0.52254
105.3 0.53317
107.2 0.53963
109.1 0.54878
111 0.55335
112.9 0.56195
114.8 0.56707
116.7 0.57622
118.6 0.58079
120.6 0.58994
122.5 0.5922
124.4 0.59909
126.3 0.60366
128.2 0.60823
130.1 0.61641
132 0.61789
133.9 0.62652
135.8 0.6311
137.7 0.63604
139.7 0.64209
141.6 0.64482
143.5 0.65419
145.4 0.65854
147.3 0.66311
149.2 0.66768
151.1 0.67383
153 0.67683
154.9 0.6814
156.8 0.68741
158.8 0.69055
160.7 0.69951
162.6 0.70099
164.5 0.70427
166.4 0.70884
168.3 0.71914
170.2 0.72256
172.1 0.73171
174 0.73171
175.9 0.73628
177.9 0.74085
179.8 0.75
181.7 0.75236
183.6 0.75915
185.5 0.76446
187.4 0.77051
189.3 0.77287
191.2 0.77804
193.1 0.78409
195 0.78659
197 0.79619
198.9 0.80225
200.8 0.8083
202.7 0.81402
204.6 0.81583
206.5 0.82188
208.4 0.82317
210.3 0.83232
212.2 0.83689
214.1 0.84146
216.1 0.84756
218 0.85061
219.9 0.85518
221.8 0.85976
223.7 0.86433
225.6 0.8689
227.5 0.87805
229.4 0.88077
231.3 0.8872
233.2 0.89288
235.2 0.90091
237.1 0.90498
239 0.91006
240.9 0.91463
242.8 0.91921
244.7 0.92378
246.6 0.92835
248.5 0.93671
250.4 0.93819
252.3 0.94424
254.3 0.95122
256.2 0.95579
258.1 0.95783
260 0.96388
261.9 0.96494
263.8 0.96951
265.7 0.97409
267.6 0.97866
269.5 0.9878
271.4 0.99238
273.4 0.99695
275.3 0.99857
277.2 1.0061
279.1 1.0061
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.6
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BMK66YC
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
56 0.04573
57.1 0.02799
58.3 0.07901
59.4 0.20457
60.5 0.35372
61.6 0.48338
62.8 0.61124
63.9 0.64939
65 0.68156
66.2 0.70845
67.3 0.7198
68.4 0.74085
69.6 0.76498
70.7 0.76829
71.8 0.78272
72.9 0.80074
74.1 0.81876
75.2 0.82317
76.3 0.8365
77.5 0.84146
78.6 0.84509
79.7 0.85396
80.9 0.85976
82 0.87171
83.1 0.87805
84.2 0.8803
85.4 0.89634
86.5 0.90549
87.6 0.90691
88.8 0.91463
89.9 0.92378
91 0.92378
92.2 0.9241
93.3 0.94207
94.4 0.94207
95.5 0.95122
96.7 0.96037
97.8 0.96037
98.9 0.96818
100.1 0.97866
101.2 0.97866
102.3 0.9878
103.5 0.99695
104.6 1.00339
105.7 1.01226
106.8 1.01524
108 1.03
109.1 1.03354
110.2 1.04268
111.4 1.05183
112.5 1.05183
113.6 1.05606
114.8 1.07407
115.9 1.08295
117 1.08841
118.1 1.08841
119.3 1.10041
120.4 1.10671
121.5 1.10671
122.7 1.11788
123.8 1.125
124.9 1.12647
126.1 1.14449
127.2 1.15244
128.3 1.15308
129.4 1.17073
130.6 1.17988
131.7 1.17988
132.8 1.17988
134 1.19744
135.1 1.20631
136.2 1.20732
137.4 1.21646
138.5 1.23476
139.6 1.23476
140.7 1.23476
141.9 1.2439
143 1.25011
144.1 1.25898
145.3 1.2622
146.4 1.27134
147.5 1.27644
148.7 1.28049
149.8 1.28504
150.9 1.29391
152 1.29878
153.2 1.30793
154.3 1.31137
155.4 1.31707
156.6 1.31997
157.7 1.32884
158.8 1.33537
160 1.33743
161.1 1.35366
162.2 1.35366
163.3 1.3628
164.5 1.36377
165.6 1.37195
166.7 1.37195
167.9 1.38124
169 1.39024
170.1 1.39024
171.3 1.40785
172.4 1.40854
173.5 1.40854
174.6 1.41768
175.8 1.42683
176.9 1.42683
178 1.43598
179.2 1.4425
180.3 1.45137
181.4 1.45427
182.6 1.45427
183.7 1.46341
184.8 1.46341
185.9 1.47256
187.1 1.47716
188.2 1.48171
189.3 1.49085
190.5 1.49085
191.6 1.50349
192.7 1.50915
193.9 1.51209
195 1.52096
196.1 1.52744
197.2 1.52744
198.4 1.52928
199.5 1.53659
200.6 1.54573
201.8 1.54573
202.9 1.54647
204 1.55488
205.2 1.55488
206.3 1.56393
207.4 1.57317
208.5 1.57317
209.7 1.58232
210.8 1.58232
211.9 1.59146
213.1 1.59146
214.2 1.59146
215.3 1.60061
216.5 1.60061
217.6 1.60976
218.7 1.60976
219.8 1.6189
221 1.6189
222.1 1.6189
223.2 1.6189
224.4 1.62805
225.5 1.6372
226.6 1.6372
227.7 1.64634
228.9 1.64634
230 1.64634
231.1 1.65549
232.3 1.65549
233.4 1.66463
234.5 1.66679
235.7 1.67566
236.8 1.69207
237.9 1.69207
239 1.69207
240.2 1.70122
241.3 1.70122
242.4 1.70122
243.6 1.70122
244.7 1.71004
245.8 1.71891
247 1.71951
248.1 1.72866
249.2 1.72866
250.3 1.7361
251.5 1.7378
252.6 1.7378
253.7 1.7378
254.9 1.74415
256 1.74695
257.1 1.7561
258.3 1.7561
259.4 1.7561
260.5 1.76106
261.6 1.76524
262.8 1.77439
263.9 1.77853
265 1.78354
266.2 1.78354
267.3 1.78685
268.4 1.79268
269.6 1.79268
270.7 1.80183
271.8 1.80183
272.9 1.81098
274.1 1.81098
275.2 1.81098
276.3 1.82012
277.5 1.82095
278.6 1.82927
279.7 1.82954
280.9 1.83841
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.9
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BSD69Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
89 0.02462
90.3 0.11562
91.6 0.33815
92.8 0.55254
94.1 0.57759
95.4 0.59692
96.7 0.6055
98 0.61308
99.3 0.62154
100.5 0.62825
101.8 0.63584
103.1 0.64615
104.4 0.65231
105.7 0.65859
107 0.67077
108.2 0.67991
109.5 0.68749
110.8 0.69538
112.1 0.69538
113.4 0.70409
114.7 0.71385
115.9 0.71385
117.2 0.72068
118.5 0.73231
119.8 0.73585
121.1 0.73846
122.4 0.73871
123.6 0.74462
124.9 0.75388
126.2 0.75692
127.5 0.76308
128.8 0.76923
130.1 0.7719
131.3 0.78154
132.6 0.78154
133.9 0.79385
135.2 0.79385
136.5 0.80367
137.8 0.80615
139 0.81231
140.3 0.81411
141.6 0.81846
142.9 0.82312
144.2 0.83071
145.4 0.83077
146.7 0.83692
148 0.84308
149.3 0.84873
150.6 0.85538
151.9 0.86154
153.1 0.86154
154.4 0.86769
155.7 0.87385
157 0.88
158.3 0.88336
159.6 0.88615
160.8 0.88622
162.1 0.89231
163.4 0.89846
164.7 0.90281
166 0.90462
167.3 0.90567
168.5 0.91692
169.8 0.92308
171.1 0.92308
172.4 0.92923
173.7 0.93538
175 0.93538
176.2 0.94154
177.5 0.94769
178.8 0.94769
180.1 0.95385
181.4 0.95832
182.7 0.96
183.9 0.96615
185.2 0.97231
186.5 0.97846
187.8 0.99009
189.1 0.98462
190.4 0.98679
191.6 0.99692
192.9 1.00196
194.2 1.00308
195.5 1.00923
196.8 1.00923
198.1 1.01383
199.3 1.01538
200.6 1.02154
201.9 1.02154
203.2 1.0257
204.5 1.03944
205.7 1.04615
207 1.04615
208.3 1.04615
209.6 1.05231
210.9 1.06462
212.2 1.06462
213.4 1.06462
214.7 1.07077
216 1.07692
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.6
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BSD66Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
61 0.06042
63 0.12786
65 0.24062
67 0.40465
68.9 0.56334
70.9 0.72508
72.9 0.8212
74.9 0.91016
76.9 0.96677
78.9 0.99973
80.8 1.03696
82.8 1.07419
84.8 1.11142
86.8 1.13354
88.8 1.17077
90.8 1.1929
92.7 1.21502
94.7 1.22356
96.7 1.25378
98.7 1.26888
100.7 1.28399
102.7 1.29909
104.6 1.31756
106.6 1.34441
108.6 1.36181
110.6 1.37462
112.6 1.40483
114.6 1.41994
116.5 1.46526
118.5 1.48036
120.5 1.49455
122.5 1.51668
124.5 1.54079
126.5 1.55589
128.4 1.58305
130.4 1.60518
132.4 1.6273
134.4 1.64653
136.4 1.66163
138.4 1.69184
140.3 1.70695
142.3 1.72205
144.3 1.73716
146.3 1.75227
148.3 1.78919
150.3 1.79758
152.2 1.81269
154.2 1.82779
156.2 1.8429
158.2 1.85801
160.2 1.90332
162.2 1.91385
164.1 1.93353
166.1 1.94864
168.1 1.98023
170.1 1.99396
172.1 2.00937
174.1 2.02417
176 2.03927
178 2.05438
180 2.08459
182 2.0997
184 2.1148
186 2.13403
187.9 2.17126
189.9 2.19033
191.9 2.20544
193.9 2.22253
195.9 2.24465
197.9 2.25167
199.9 2.26586
201.8 2.28097
203.8 2.29607
205.8 2.31118
207.8 2.33208
209.8 2.34139
211.8 2.3565
213.7 2.36824
215.7 2.38671
217.7 2.38671
219.7 2.40181
221.7 2.42653
223.7 2.43202
225.6 2.44057
227.6 2.46224
229.6 2.48482
231.6 2.49245
233.6 2.50755
235.6 2.52098
237.5 2.52266
239.5 2.52266
241.5 2.53776
243.5 2.53776
245.5 2.56798
247.5 2.56798
249.4 2.58308
251.4 2.58308
253.4 2.58308
255.4 2.58308
257.4 2.58308
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.9
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BDK69Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
90 0.02462
92 0.22932
94 0.49708
96 0.51743
98 0.53538
101 0.54443
103 0.56
105 0.57231
107 0.57846
109 0.59228
111 0.59692
113 0.61312
115 0.62769
118 0.62782
120 0.63385
122 0.64
124 0.65294
126 0.65846
128 0.66462
130 0.6719
132 0.68232
135 0.68659
137 0.69086
139 0.70154
141 0.71171
143 0.72214
145 0.72641
147 0.73683
149 0.73846
152 0.74462
154 0.75579
156 0.76006
158 0.76923
160 0.77476
162 0.78518
164 0.79385
166 0.79987
169 0.80615
171 0.81231
173 0.81846
175 0.82462
177 0.83353
179 0.8378
181 0.84308
183 0.84923
186 0.86154
188 0.86719
190 0.87385
192 0.88615
194 0.88615
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.6
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BDK66Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
52.1 0.04505
54.2 0.17909
56.2 0.57002
58.3 0.81491
60.4 1.02539
62.4 1.17226
64.5 1.24242
66.6 1.26126
68.6 1.26126
70.7 1.26126
72.7 1.25225
74.8 1.25225
76.9 1.25225
78.9 1.25225
81 1.25225
83.1 1.24324
85.1 1.24324
87.2 1.24324
89.3 1.25143
91.3 1.24324
93.4 1.25225
95.5 1.25225
97.5 1.26126
99.6 1.26126
101.6 1.26126
103.7 1.27027
105.8 1.27027
107.8 1.27027
109.9 1.27928
112 1.27928
114 1.28829
116.1 1.29539
118.2 1.30085
120.2 1.31532
122.3 1.32432
124.4 1.32624
126.4 1.33333
128.5 1.34234
130.6 1.35135
132.6 1.35708
134.7 1.36036
136.7 1.368
138.8 1.37346
140.9 1.37892
142.9 1.38739
145 1.3964
147.1 1.40431
149.1 1.41441
151.2 1.42424
153.3 1.43243
155.3 1.44144
157.4 1.44963
159.5 1.45946
161.5 1.46847
163.6 1.46847
165.6 1.46847
167.7 1.47748
169.8 1.48649
171.8 1.48785
173.9 1.4955
176 1.50778
178 1.51351
180.1 1.53153
182.2 1.53153
184.2 1.54054
186.3 1.54955
188.4 1.54054
190.4 1.54955
192.5 1.55856
194.6 1.55856
196.6 1.56757
198.7 1.57658
200.7 1.57658
202.8 1.58559
204.9 1.59459
206.9 1.6036
209 1.6036
211.1 1.62162
213.1 1.62162
215.2 1.63063
217.3 1.63063
219.3 1.63964
221.4 1.64865
223.5 1.64865
225.5 1.65766
227.6 1.65766
229.7 1.66667
231.7 1.67568
233.8 1.67568
235.8 1.68468
237.9 1.69369
240 1.7027
242 1.7027
244.1 1.71171
246.2 1.72045
248.2 1.72072
250.3 1.72809
252.4 1.72072
254.4 1.72973
256.5 1.73874
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data
Material Specification for Y:123; [Y-Ba-Cu-O] Process:
Notes:
Formula: YBa2Cu3O6.9
Informal Name: Y:123
Chemical Family: Y-Ba-Cu-O
Chemical Class: Oxide
Structure Type:
Manufacturer:
Commercial Name:
Production Date:
Lot Number: BHK69Y
Production Form:

Resistivity (normal state) for Y:123; [Y-Ba-Cu-O]
Temperature (K) Resistivity (normal state) (mΩ·cm)
85.2 0.08485
86.9 0.08485
88.5 0.32317
90.2 0.51607
91.8 0.54203
93.5 0.55935
95.1 0.57576
96.7 0.58788
98.4 0.59394
100 0.60606
101.7 0.61567
103.3 0.62424
105 0.6303
106.6 0.6434
108.3 0.65467
109.9 0.66061
111.6 0.67114
113.2 0.67879
114.8 0.68485
116.5 0.69091
118.1 0.69697
119.8 0.70909
121.4 0.70909
123.1 0.72121
124.7 0.72121
126.4 0.73009
128 0.73939
129.7 0.74545
131.3 0.75176
133 0.75758
134.6 0.76823
136.2 0.77343
137.9 0.77863
139.5 0.78384
141.2 0.79394
142.8 0.79394
144.5 0.80551
146.1 0.80606
147.8 0.81818
149.4 0.81818
151.1 0.8303
152.7 0.83636
154.4 0.84242
156 0.848
157.6 0.84848
159.3 0.85234
160.9 0.85455
162.6 0.86061
164.2 0.86795
165.9 0.87273
167.5 0.87836
169.2 0.88356
170.8 0.88877
172.5 0.89397
174.1 0.89917
175.8 0.90303
177.4 0.90909
179 0.91515
180.7 0.92121
182.3 0.92121
184 0.93039
185.6 0.9356
187.3 0.9408
188.9 0.94601
190.6 0.95727
192.2 0.95758
193.9 0.96162
195.5 0.96364
197.1 0.9697
198.8 0.97576
200.4 0.98182
202.1 0.98788
203.7 0.99394
205.4 1
207 1.00324
208.7 1.00845
210.3 1.01818
212 1.01818
213.6 1.02406
215.3 1.02926
216.9 1.0303
218.5 1.03636
220.2 1.04487
221.8 1.05008
223.5 1.05455
225.1 1.06061
226.8 1.06061
228.4 1.06483
230.1 1.06667
231.7 1.07273
233.4 1.07438
235 1.07879
236.7 1.08479
238.3 1.08485
239.9 1.09091
241.6 1.09697
243.2 1.10303
244.9 1.10909
246.5 1.11601
248.2 1.12727
Measurement Method: Resistivity (DC 4-probe)
Test facility: Chyuo Kenkyu-syo, Mitsubishi Material Location: Rm. 214, Chyuo Kenkyu-syo Start date: 2/7/94 Weekday: Thursday Start time: 10:00 End date: 2/7/94 Weekday: Thursday End time: 18:00 Environment temperature (avg): 22 °C Environment humidity (avg): 60 % Laboratory environment: air conditioned Test equipment: resistivity measurement equipment Maker of test equipment: Tokyo Industrial Co. Specimen treatment: being cut by a diamond cutter, width: 2 mm Material of current electrode: Cu Remark on current electrode: winding Cu wires, attaching them to the sample by using Ag paste and solder Test environment: He gas, 1 atm Applied current (avg): 10 mA Cooling rate (avg): 2 K/min Data definition: defining the temperature at which the relative resistance is just below 1 µΩ·cm as Tc

Cautions: Research Data