Cu–Dy system
109 accepted literature values from 2 paper(s) (experimental 65, model 26, DFT 18); 2 calculated phase diagram(s). 6 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (12) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 65 |
| model | 26 |
| DFT | 18 |
| Property group | Values |
|---|---|
| invariant reaction | 50 |
| phase transition | 9 |
| formation | 11 |
| crystal structure | 39 |
Calculated phase diagrams
Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.
| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| CuDy-09Pal.tdb | M. Palumbo, L. Battezzati, A. Pasturel, S. Gottlieb-Schoenmeyer, W. Assmus, Calphad, 33, 511-16(2009). doi:10.1016/j.calphad.2009.04.001 | 12983d67968493e1939437762ceab1854ecc9793431c3041baeb645535d8ede2 | viewer · TDB · JSON |
| CuDy-09Zha.tdb | L.G. Zhang, G.X. Huang, H.Y. Qi, B.R. Jia, L.B. Liu, Z.P. Jin, J. Alloys Compd., 470, 214-17(2009). doi:10.1016/j.jallcom.2008.03.007 | 6c6f9d652328ae39e78168af5c1d977a941f960619e30791dd2d5145706d0513 | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| CuDy-09Pal.tdb | 1654.22 | LIQUID (x(Dy) 0.98444) + HCP_A3 (x(Dy) 0.99979) + BCC_A2 (x(Dy) 0.99981) |
| CuDy-09Pal.tdb | 1654.22 | LIQUID (x(Dy) 0.98444) + HCP_A3 (x(Dy) 0.99979) + BCC_A2 (x(Dy) 0.99981) |
| CuDy-09Pal.tdb | 1235.81 | LIQUID (x(Dy) 0.16239) + CU5DY (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Pal.tdb | 1235.81 | LIQUID (x(Dy) 0.16245) + CU5DY (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Pal.tdb | 1235.81 | LIQUID (x(Dy) 0.16229) + CU5DY (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Pal.tdb | 1208.18 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.23077) |
| CuDy-09Pal.tdb | 1208.18 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.23066) |
| CuDy-09Pal.tdb | 1133.97 | LIQUID (x(Dy) 0.09038) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1133.97 | LIQUID (x(Dy) 0.09021) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1133.97 | LIQUID (x(Dy) 0.09012) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1133.97 | LIQUID (x(Dy) 0.09012) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1127.08 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.27514) |
| CuDy-09Pal.tdb | 1127.08 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.27529) |
| CuDy-09Pal.tdb | 1127.08 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.27524) |
| CuDy-09Pal.tdb | 1126.08 | FCC_A1 (x(Dy) 0) + LIQUID (x(Dy) 0.08522) + CU7DY (x(Dy) 0.125) |
| CuDy-09Pal.tdb | 1126.08 | FCC_A1 (x(Dy) 0) + LIQUID (x(Dy) 0.08524) + CU7DY (x(Dy) 0.125) |
| CuDy-09Pal.tdb | 1126.08 | FCC_A1 (x(Dy) 0) + LIQUID (x(Dy) 0.08519) + CU7DY (x(Dy) 0.125) |
| CuDy-09Pal.tdb | 1126.08 | FCC_A1 (x(Dy) 0) + LIQUID (x(Dy) 0.08518) + CU7DY (x(Dy) 0.125) |
| CuDy-09Pal.tdb | 1121.05 | CU2DY (x(Dy) 0.33333) + LIQUID (x(Dy) 0.39105) + CUDY_B2 (x(Dy) 0.5) |
| CuDy-09Pal.tdb | 1121.05 | CU2DY (x(Dy) 0.33333) + LIQUID (x(Dy) 0.39104) + CUDY_B2 (x(Dy) 0.5) |
| CuDy-09Pal.tdb | 1119.88 | CU9DY2 (x(Dy) 0.18182) + LIQUID (x(Dy) 0.27835) + CU2DY (x(Dy) 0.33333) |
| CuDy-09Pal.tdb | 1119.88 | CU9DY2 (x(Dy) 0.18182) + LIQUID (x(Dy) 0.27845) + CU2DY (x(Dy) 0.33333) |
| CuDy-09Pal.tdb | 1050.99 | FCC_A1 (x(Dy) 0) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1050.99 | FCC_A1 (x(Dy) 0) + CU7DY (x(Dy) 0.125) + CU5DY (x(Dy) 0.16667) |
| CuDy-09Pal.tdb | 1019.54 | CUDY_B2 (x(Dy) 0.5) + LIQUID (x(Dy) 0.6912) + HCP_A3 (x(Dy) 0.99862) |
| CuDy-09Zha.tdb | 1235.15 | LIQUID (x(Dy) 0.15568) + CU5DY_D2D (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Zha.tdb | 1235.15 | LIQUID (x(Dy) 0.15572) + CU5DY_D2D (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Zha.tdb | 1235.15 | LIQUID (x(Dy) 0.15561) + CU5DY_D2D (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Zha.tdb | 1203 | CU5DY_D2D (x(Dy) 0.16667) + CU5DY_C15B (x(Dy) 0.16667) + CU9DY2 (x(Dy) 0.18182) |
| CuDy-09Zha.tdb | 1203 | LIQUID (x(Dy) 0.11897) + CU5DY_C15B (x(Dy) 0.16667) + CU5DY_D2D (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1203 | LIQUID (x(Dy) 0.11877) + CU5DY_D2D (x(Dy) 0.16667) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1203 | LIQUID (x(Dy) 0.11877) + CU5DY_D2D (x(Dy) 0.16667) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1174.15 | LIQUID (x(Dy) 0.10247) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1174.15 | LIQUID (x(Dy) 0.10238) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1174.15 | LIQUID (x(Dy) 0.10229) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1172.79 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.25782) |
| CuDy-09Zha.tdb | 1172.79 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.25772) |
| CuDy-09Zha.tdb | 1157.43 | FCC_A1 (x(Dy) 3.000e-5) + LIQUID (x(Dy) 0.08798) + CU7DY (x(Dy) 0.125) |
| CuDy-09Zha.tdb | 1157.43 | FCC_A1 (x(Dy) 3.000e-5) + LIQUID (x(Dy) 0.08793) + CU7DY (x(Dy) 0.125) |
| CuDy-09Zha.tdb | 1131.86 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.27776) |
| CuDy-09Zha.tdb | 1131.86 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.2779) |
| CuDy-09Zha.tdb | 1131.86 | CU9DY2 (x(Dy) 0.18182) + CU7DY2 (x(Dy) 0.22222) + LIQUID (x(Dy) 0.27784) |
| CuDy-09Zha.tdb | 1123.09 | CU9DY2 (x(Dy) 0.18182) + LIQUID (x(Dy) 0.28166) + CU2DY (x(Dy) 0.33333) |
| CuDy-09Zha.tdb | 1123.09 | CU9DY2 (x(Dy) 0.18182) + LIQUID (x(Dy) 0.28174) + CU2DY (x(Dy) 0.33333) |
| CuDy-09Zha.tdb | 1120.69 | CU2DY (x(Dy) 0.33333) + LIQUID (x(Dy) 0.38975) + CUDY_B2 (x(Dy) 0.5) |
| CuDy-09Zha.tdb | 1120.69 | CU2DY (x(Dy) 0.33333) + LIQUID (x(Dy) 0.38959) + CUDY_B2 (x(Dy) 0.5) |
| CuDy-09Zha.tdb | 1063.86 | CUDY_B2 (x(Dy) 0.5) + LIQUID (x(Dy) 0.65429) + BCC_A2 (x(Dy) 0.76541) |
| CuDy-09Zha.tdb | 1063.86 | CUDY_B2 (x(Dy) 0.5) + LIQUID (x(Dy) 0.65434) + BCC_A2 (x(Dy) 0.76544) |
| CuDy-09Zha.tdb | 1054.1 | FCC_A1 (x(Dy) 1.000e-5) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1054.1 | FCC_A1 (x(Dy) 1.000e-5) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 1054.1 | FCC_A1 (x(Dy) 1.000e-5) + CU7DY (x(Dy) 0.125) + CU5DY_C15B (x(Dy) 0.16667) |
| CuDy-09Zha.tdb | 803.02 | CUDY_B2 (x(Dy) 0.5) + BCC_A2 (x(Dy) 0.83248) + HCP_A3 (x(Dy) 0.87939) |
| CuDy-09Zha.tdb | 803.02 | CUDY_B2 (x(Dy) 0.5) + BCC_A2 (x(Dy) 0.83251) + HCP_A3 (x(Dy) 0.87942) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull CuDy-09Zha
Invariant reactions (literature)
| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|
| 1243 | congruent melting: liquid -> Cu9Dy2 | Cu9Dy2: Dy 0.182; liquid: Dy 0.182 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 12 report | |
| 1242 | congruent melting: liquid -> Cu9Dy2 | Cu9Dy2: Dy 0.182; liquid: Dy 0.182 | model | [1] Palumbo 2009 | Table 3, p. 5, row 11 report | |
| 1238 | liquid + Cu9Dy2 -> Cu5Dy | Cu9Dy2: Dy 0.182; Cu5Dy: Dy 0.167; liquid: Dy 0.162 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 10 report | |
| 1238 | peritectic: L + Cu9Dy2 ↔ Cu5Dy.L | L: Dy 0.162; Cu9Dy2: Dy 0.182; Cu5Dy.L: Dy 0.083 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 10 report | |
| 1236 | liquid + Cu9Dy2 -> Cu5Dy | Cu9Dy2: Dy 0.182; Cu5Dy: Dy 0.167; liquid: Dy 0.162 | model | [1] Palumbo 2009 | Table 3, p. 5, row 9 report | |
| 1235 | peritectic: L + Cu9Dy2 ↔ Cu5Dy.L | L: Dy 0.156; Cu9Dy2: Dy 0.182; Cu5Dy.L: Dy 0.083 | model | [2] Zhang 2009 | Table 3, p. 3, row 9 report | |
| 1228 | congruent melting: liquid -> CuDy | CuDy: Dy 0.5; liquid: Dy 0.5 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 24 report | |
| 1227 | congruent melting: liquid -> CuDy | CuDy: Dy 0.5; liquid: Dy 0.5 | model | [1] Palumbo 2009 | Table 3, p. 5, row 23 report | |
| 1208 | liquid + Cu9Dy2 -> Cu7Dy2 | Cu9Dy2: Dy 0.182; Cu7Dy2: Dy 0.222; liquid: Dy 0.231 | model | [1] Palumbo 2009 | Table 3, p. 5, row 13 report | |
| 1178 | liquid + Cu9Dy2 -> Cu7Dy2 | Cu9Dy2: Dy 0.182; Cu7Dy2: Dy 0.222; liquid: Dy 0.258 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 14 report | |
| 1178 | peritectic: L + Cu9Dy2 ↔ Cu7Dy2 | Cu9Dy2: Dy 0.182; Cu7Dy2: Dy 0.222 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 16 report | |
| 1174 | peritectic: L + Cu5Dy.L ↔ Cu7Dy | L: Dy 0.102; Cu5Dy.L: Dy 0.083; Cu7Dy: Dy 0.125 | model | [2] Zhang 2009 | Table 3, p. 3, row 3 report | |
| 1172 | peritectic: L + Cu9Dy2 ↔ Cu7Dy2 | L: Dy 0.258; Cu9Dy2: Dy 0.182; Cu7Dy2: Dy 0.222 | model | [2] Zhang 2009 | Table 3, p. 3, row 15 report | |
| 1165 | peritectic: L + Cu5Dy.L ↔ Cu7Dy | Cu5Dy.L: Dy 0.083; Cu7Dy: Dy 0.125 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 4 report | |
| 1165 | liquid + Cu5Dy -> Cu7Dy | Cu5Dy: Dy 0.167; Cu7Dy: Dy 0.125; liquid: Dy 0.102 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 4 report | |
| 1163 | congruent melting: liquid -> Cu2Dy | Cu2Dy: Dy 0.333; liquid: Dy 0.333 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 20 report | |
| 1157 | eutectic: L ↔ Fcc + Cu7Dy | L: Dy 0.088; Fcc: Dy 0; Cu7Dy: Dy 0.125 | model | [2] Zhang 2009 | Table 3, p. 3, row 1 report | |
| 1156 | congruent melting: liquid -> Cu2Dy | Cu2Dy: Dy 0.333; liquid: Dy 0.333 | model | [1] Palumbo 2009 | Table 3, p. 5, row 19 report | |
| 1153 | eutectic: L ↔ Fcc + Cu7Dy | L: Dy 0.074; Fcc: Dy 0; Cu7Dy: Dy 0.125 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 2 report | |
| 1138 | eutectic: L ↔ Cu9Dy2 + Cu2Dy | Cu9Dy2: Dy 0.182; Cu2Dy: Dy 0.333 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 21 report | |
| 1134 | liquid + Cu5Dy -> Cu7Dy | Cu5Dy: Dy 0.167; Cu7Dy: Dy 0.125; liquid: Dy 0.09 | model | [1] Palumbo 2009 | Table 3, p. 5, row 3 report | |
| 1133 | liquid + Cu5Dy -> Cu7Dy | Cu5Dy: Dy 0.167; Cu7Dy: Dy 0.125; liquid: Dy 0.102 | experimental | [1] Palumbo 2009 cites Cheng 1982 | Table 3, p. 5, row 5 report | |
| 1133 | peritectic: L + Cu5Dy.L ↔ Cu7Dy | L: Dy 0.102; Cu5Dy.L: Dy 0.083; Cu7Dy: Dy 0.125 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 5 report | |
| 1131 | metatectic/catatectic: Cu7Dy2 ↔ L + Cu9Dy2 | Cu7Dy2: Dy 0.222; L: Dy 0.278; Cu9Dy2: Dy 0.182 | model | [2] Zhang 2009 | Table 3, p. 3, row 17 report | |
| 1128 | Cu7Dy2 -> liquid + Cu9Dy2 | Cu7Dy2: Dy 0.222; Cu9Dy2: Dy 0.182; liquid: Dy 0.287 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 16 report | |
| 1128 | metatectic/catatectic: Cu7Dy2 ↔ L + Cu9Dy2 | Cu7Dy2: Dy 0.222; Cu9Dy2: Dy 0.182 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 18 report | |
| 1128 | eutectic: liquid -> Cu fcc + Cu7Dy | Cu fcc: Dy 0; Cu7Dy: Dy 0.125; liquid: Dy 0.1 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 2 report | |
| 1127 | Cu7Dy2 -> liquid + Cu9Dy2 | Cu7Dy2: Dy 0.222; Cu9Dy2: Dy 0.182; liquid: Dy 0.276 | model | [1] Palumbo 2009 | Table 3, p. 5, row 15 report | |
| 1126 | eutectic: liquid -> Cu fcc + Cu7Dy | Cu fcc: Dy 0; Cu7Dy: Dy 0.125; liquid: Dy 0.085 | model | [1] Palumbo 2009 | Table 3, p. 5, row 1 report | |
| 1123 | eutectic: L ↔ Cu9Dy2 + Cu2Dy | L: Dy 0.282; Cu9Dy2: Dy 0.182; Cu2Dy: Dy 0.333 | model | [2] Zhang 2009 | Table 3, p. 3, row 19 report | |
| 1121 | eutectoid: Cu7Dy ↔ Fcc + Cu5Dy.L | Cu7Dy: Dy 0.125; Fcc: Dy 0; Cu5Dy.L: Dy 0.083 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 8 report | |
| 1121 | eutectic: liquid -> Cu2Dy + CuDy | Cu2Dy: Dy 0.333; CuDy: Dy 0.5; liquid: Dy 0.391 | model | [1] Palumbo 2009 | Table 3, p. 5, row 21 report | |
| 1121 | Cu7Dy -> Cu fcc + Cu5Dy | Cu7Dy: Dy 0.125; Cu fcc: Dy 0; Cu5Dy: Dy 0.167 | experimental | [1] Palumbo 2009 cites Cheng 1982 | Table 3, p. 5, row 8 report | |
| 1120 | eutectic: liquid -> Cu9Dy2 + Cu2Dy | Cu9Dy2: Dy 0.182; Cu2Dy: Dy 0.333; liquid: Dy 0.278 | model | [1] Palumbo 2009 | Table 3, p. 5, row 17 report | |
| 1120 | eutectic: L ↔ Cu2Dy + CuDy | L: Dy 0.39; Cu2Dy: Dy 0.333; CuDy: Dy 0.5 | model | [2] Zhang 2009 | Table 3, p. 3, row 24 report | |
| 1118 | eutectic: L ↔ Cu9Dy2 + Cu2Dy | L: Dy 0.29; Cu9Dy2: Dy 0.182; Cu2Dy: Dy 0.333 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 20 report | |
| 1118 | eutectic: liquid -> Cu9Dy2 + Cu2Dy | Cu9Dy2: Dy 0.182; Cu2Dy: Dy 0.333; liquid: Dy 0.29 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 18 report | |
| 1113 | eutectic: L ↔ Cu2Dy + CuDy | Cu2Dy: Dy 0.333; CuDy: Dy 0.5 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 26 report | |
| 1113 | eutectic: L ↔ Cu2Dy + CuDy | L: Dy 0.395; Cu2Dy: Dy 0.333; CuDy: Dy 0.5 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 25 report | |
| 1113 | eutectic: liquid -> Cu2Dy + CuDy | Cu2Dy: Dy 0.333; CuDy: Dy 0.5; liquid: Dy 0.395 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 22 report | |
| 1081 | eutectic: L ↔ CuDy + Bcc | L: Dy 0.741; CuDy: Dy 0.5 | experimental | [2] Zhang 2009 cites Cheng 1982 | Table 3, p. 3, row 31 report | |
| 1063 | eutectic: L ↔ CuDy + Bcc | L: Dy 0.654; CuDy: Dy 0.5; Bcc: Dy 0.775 | model | [2] Zhang 2009 | Table 3, p. 3, row 29 report | |
| 1063 | eutectic: L ↔ CuDy + Bcc | L: Dy 0.7; CuDy: Dy 0.5 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 30 report | |
| 1063 | eutectic: liquid -> CuDy + Dy bcc | CuDy: Dy 0.5; Dy bcc: Dy 1; liquid: Dy 0.7 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 26 report | |
| 1054 | eutectoid: Cu7Dy ↔ Fcc + Cu5Dy.L | Cu7Dy: Dy 0.125; Fcc: Dy 0; Cu5Dy.L: Dy 0.083 | model | [2] Zhang 2009 | Table 3, p. 3, row 6 report | |
| 1048 | eutectoid: Cu7Dy ↔ Fcc + Cu5Dy.L | Cu7Dy: Dy 0.125; Fcc: Dy 0; Cu5Dy.L: Dy 0.083 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 7 report | |
| 1048 | Cu7Dy -> Cu fcc + Cu5Dy | Cu7Dy: Dy 0.125; Cu fcc: Dy 0; Cu5Dy: Dy 0.167 | model | [1] Palumbo 2009 | Table 3, p. 5, row 6 report | |
| 1048 | Cu7Dy -> Cu fcc + Cu5Dy | Cu7Dy: Dy 0.125; Cu fcc: Dy 0; Cu5Dy: Dy 0.167 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 3, p. 5, row 7 report | |
| 1020 | eutectic: liquid -> CuDy + Dy bcc | CuDy: Dy 0.5; Dy bcc: Dy 1; liquid: Dy 0.691 | model | [1] Palumbo 2009 | Table 3, p. 5, row 25 report | |
| 803 | eutectoid: Bcc ↔ CuDy + Hcp | Bcc: Dy 0.832; CuDy: Dy 0.5; Hcp: Dy 0.879 | model | [2] Zhang 2009 | Table 3, p. 3, row 32 report |
Formation enthalpies
Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| Cu2Dy | -27.9 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 4 report | ||||
| Cu2Dy | -26.1 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 5 report | ||||
| Cu2Dy | Cu2Dy | -24.4 kJ/mol-atom | 298.15 | experimental | -26.052 (mp-aaacizol) | -26.104 (oqmd-1435876) | [1] Palumbo 2009 cites Meschel 2005 doi | Table 2, p. 4, row 7 report | |
| Cu2Dy | Cu2Dy | -16.4 kJ/mol-atom | 298.15 | experimental | -26.052 (mp-aaacizol) | -26.104 (oqmd-1435876) | [1] Palumbo 2009 cites Sommer 2009 | Table 2, p. 4, row 6 report | |
| Cu5Dy | -19.4 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 1 report | ||||
| Cu5Dy | -18.8 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 2 report | ||||
| Cu5Dy | Cu5Dy | -15.7 kJ/mol-atom | 298.15 | experimental | -18.422 (mp-aaacrspf) | -18.593 (oqmd-1519615) | [1] Palumbo 2009 cites Meschel 2005 doi | Table 2, p. 4, row 3 report | |
| CuDy | -27.1 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 8 report | ||||
| CuDy | -25.5 kJ/mol-atom | 0 | DFT | [1] Palumbo 2009 | Table 2, p. 4, row 9 report | ||||
| CuDy | CuDy | -24 kJ/mol-atom | 298.15 | experimental | -23.951 (mp-aaaaadlu) | -25.4 (oqmd-1369598) | [1] Palumbo 2009 cites Meschel 2005 doi | Table 2, p. 4, row 11 report | |
| CuDy | CuDy | -12.5 kJ/mol-atom | 298.15 | experimental | -23.951 (mp-aaaaadlu) | -25.4 (oqmd-1369598) | [1] Palumbo 2009 cites Sommer 2009 | Table 2, p. 4, row 10 report |
Other properties
Phase transition (9)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase transition | 1150 K | 1150 | congruent melting: L ↔ Cu2Dy L: Dy 0.333333; Cu2Dy: Dy 0.333333 | model | [2] Zhang 2009 | Table 3, p. 3, row 22 report | |
| Phase transition | 1163 K | 1163 | congruent melting: L ↔ Cu2Dy L: Dy 0.333333; Cu2Dy: Dy 0.333333 | experimental | [2] Zhang 2009 cites Copeland 1964 | Table 3, p. 3, row 23 report | |
| Phase transition | 1203 K | 1203 | polymorphic: Cu5Dy.H ↔ CuDy.L Cu5Dy.H: Dy 0.166667; CuDy.L: Dy 0.166667 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 12 report | |
| Phase transition | 1203 K | 1203 | polymorphic: Cu5Dy.H ↔ CuDy.L Cu5Dy.H: Dy 0.166667; CuDy.L: Dy 0.166667 | model | [2] Zhang 2009 | Table 3, p. 3, row 11 report | |
| Phase transition | 1203.15 K | 1203.15 | Cu5 Dy | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | p. 2 report | He found a thermal effect at 930 ◦ C corresponding to the stoichiometry of Cu5 Dy. |
| Phase transition | 1220 K | 1220 | congruent melting: L ↔ CuDy L: Dy 0.5; CuDy: Dy 0.5 | model | [2] Zhang 2009 | Table 3, p. 3, row 27 report | |
| Phase transition | 1228 K | 1228 | congruent melting: L ↔ CuDy L: Dy 0.5; CuDy: Dy 0.5 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 28 report | |
| Phase transition | 1243 K | 1243 | congruent melting: L ↔ Cu9Dy2 L: Dy 0.181818; Cu9Dy2: Dy 0.181818 | model | [2] Zhang 2009 | Table 3, p. 3, row 13 report | |
| Phase transition | 1245 K | 1245 | congruent melting: L ↔ Cu9Dy2 L: Dy 0.181818; Cu9Dy2: Dy 0.181818 | experimental | [2] Zhang 2009 cites Franceschi 1982 doi | Table 3, p. 3, row 14 report |
Crystal structure (39)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Lattice a | 4.3 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Storm 1963 doi | Table 1, p. 2, row 12 report | ||
| Lattice a | 4.303 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 1, p. 2, row 13 report | ||
| Lattice a | 4.2488 Å | 0 | Cu2Dy alloy: Dy 0.333333 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 16 report | |
| Lattice a | 28.37 Å | Cu4Dy alloy: Dy 0.2 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 9 report | ||
| Lattice a | 4.932 Å | Cu7Dy alloy: Dy 0.125 | experimental | [1] Palumbo 2009 cites Buschow 1971 doi | Table 1, p. 2, row 1 report | ||
| Lattice a | 4.922 Å | 0 | Cu7Dy alloy: Dy 0.125 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 2 report | |
| Lattice a | 21.33 Å | Cu7Dy2 alloy: Dy 0.222222 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 11 report | ||
| Lattice a | 49.55 Å | Cu9Dy2 alloy: Dy 0.181818 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 10 report | ||
| Lattice a | 3.46 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Chao 1964 doi | Table 1, p. 2, row 18 report | ||
| Lattice a | 3.461 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Dwight 1965 | Table 1, p. 2, row 20 report | ||
| Lattice a | 7.087 Å | 0 | CuDy alloy: Dy 0.5 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 25 report | |
| Lattice a | 3.4789 Å | 0 | CuDy alloy: Dy 0.5 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 24 report | |
| Lattice a | 3.455 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Belakhovsky 1971 doi | Table 1, p. 2, row 21 report | ||
| Lattice a | 3.455 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 1, p. 2, row 22 report | ||
| Lattice a | 3.461 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Baenziger 1961 doi | Table 1, p. 2, row 17 report | ||
| Lattice a | 3.444 Å | CuDy alloy: Dy 0.5 | experimental | [1] Palumbo 2009 cites Pierre 1965 | Table 1, p. 2, row 19 report | ||
| Lattice a | 7.022 Å | α-Cu5Dy alloy: Dy 0.166667 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 1, p. 2, row 4 report | ||
| Lattice a | 7.0058 Å | 0 | α-Cu5Dy alloy: Dy 0.166667 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 6 report | |
| Lattice a | 7.027 Å | α-Cu5Dy alloy: Dy 0.166667 | experimental | [1] Palumbo 2009 cites Buschow 1969 doi | Table 1, p. 2, row 3 report | ||
| Lattice a | 4.9839 Å | 0 | β-Cu5Dy alloy: Dy 0.166667 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 8 report | |
| Lattice a | 5.02 Å | β-Cu5Dy alloy: Dy 0.166667 | experimental | [1] Palumbo 2009 cites Carnasciali 1983 doi | Table 1, p. 2, row 7 report | ||
| Lattice b | 6.792 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Storm 1963 doi | Table 1, p. 2, row 12 report | ||
| Lattice b | 6.802 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 1, p. 2, row 13 report | ||
| Lattice b | 6.767 Å | 0 | Cu2Dy alloy: Dy 0.333333 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 16 report | |
| Lattice b | 28.36 Å | Cu4Dy alloy: Dy 0.2 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 9 report | ||
| Lattice b | 21.29 Å | Cu7Dy2 alloy: Dy 0.222222 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 11 report | ||
| Lattice b | 49.56 Å | Cu9Dy2 alloy: Dy 0.181818 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 10 report | ||
| Lattice b | 4.449 Å | 0 | CuDy alloy: Dy 0.5 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 25 report | |
| Lattice c | 7.3 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Storm 1963 doi | Table 1, p. 2, row 12 report | ||
| Lattice c | 7.289 Å | Cu2Dy alloy: Dy 0.333333 | experimental | [1] Palumbo 2009 cites Franceschi 1982 doi | Table 1, p. 2, row 13 report | ||
| Lattice c | 7.281 Å | 0 | Cu2Dy alloy: Dy 0.333333 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 16 report | |
| Lattice c | 25.658 Å | Cu4Dy alloy: Dy 0.2 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 9 report | ||
| Lattice c | 4.156 Å | Cu7Dy alloy: Dy 0.125 | experimental | [1] Palumbo 2009 cites Buschow 1971 doi | Table 1, p. 2, row 1 report | ||
| Lattice c | 4.148 Å | 0 | Cu7Dy alloy: Dy 0.125 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 2 report | |
| Lattice c | 18.91 Å | Cu7Dy2 alloy: Dy 0.222222 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 11 report | ||
| Lattice c | 46.33 Å | Cu9Dy2 alloy: Dy 0.181818 | experimental | [1] Palumbo 2009 cites Cerny 2003 doi | Table 1, p. 2, row 10 report | ||
| Lattice c | 5.346 Å | 0 | CuDy alloy: Dy 0.5 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 25 report | |
| Lattice c | 4.0939 Å | 0 | β-Cu5Dy alloy: Dy 0.166667 | DFT | [1] Palumbo 2009 | Table 1, p. 2, row 8 report | |
| Lattice c | 4.08 Å | β-Cu5Dy alloy: Dy 0.166667 | experimental | [1] Palumbo 2009 cites Carnasciali 1983 doi | Table 1, p. 2, row 7 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- M. Palumbo, L. Battezzati, A. Pasturel, S. Gottlieb-Schönmeyer, W. Assmus, Thermodynamic and ab initio investigation of the Cu–Dy system, Calphad 33, 511-516 (2009). doi:10.1016/j.calphad.2009.04.001
- L.G. Zhang, G.X. Huang, H.Y. Qi, B.R. Jia, L.B. Liu, Z.P. Jin, Thermodynamic assessment of the Cu–Dy binary system, Journal of Alloys and Compounds 470, 214-217 (2009). doi:10.1016/j.jallcom.2008.03.007