# Sm–Zn system

> Sm–Zn system: 100 accepted literature values (formation 45, invariant reaction 39, phase transition 16) and 2 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/SM-ZN.html · Markdown: https://data.orchid-project.org/systems/SM-ZN.md

100 accepted literature values from 2 paper(s) (experimental 48, model 52); 2 calculated phase diagram(s).

Data: [JSON](https://data.orchid-project.org/literature/systems/SM-ZN.json) · [CSV](https://data.orchid-project.org/systems/SM-ZN.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#SM-ZN) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#SM-ZN/SmZn-09Jia.json) · [phases (13)](https://data.orchid-project.org/phases/pages/SM-ZN.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/SM-ZN.html) · [Markdown](https://data.orchid-project.org/systems/SM-ZN.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 48 |
| model | 52 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 39 |
| phase transition | 16 |
| formation | 45 |

## 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.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| SmZn-09Jia.tdb | B.R. Jia, L.G. Zhang, G.X. Huang, H.Y. Qi, H. Yang, L.B. Liu, Z.P. Jin, F. Zheng, J. Alloys Compd., 473, 176-79(2009). [doi:10.1016/j.jallcom.2008.06.019](https://doi.org/10.1016/j.jallcom.2008.06.019) | `86e42c0e5989ffc09af9a740da6909a1b4cb8c42942678f81b233c33f1af16ef` | [viewer](https://orchid-project.org/phase-diagrams/#SM-ZN/SmZn-09Jia.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SmZn-09Jia.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SmZn-09Jia.json) |
| SmZn-09Liu.tdb | X.J. Liu, X. Chen, C.P. Wang, J. Alloys Compd., 468, 115-21(2009). [doi:10.1016/j.jallcom.2008.01.003](https://doi.org/10.1016/j.jallcom.2008.01.003) | `7414e4f41bfa783a2504dada57fabb18868350649afff771a1ea3bb017c077e9` | [viewer](https://orchid-project.org/phase-diagrams/#SM-ZN/SmZn-09Liu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SmZn-09Liu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SmZn-09Liu.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| SmZn-09Jia.tdb | 1170.92 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84226) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Jia.tdb | 1170.92 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84244) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Jia.tdb | 1170.92 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84233) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Jia.tdb | 1161.39 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.58124) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Jia.tdb | 1161.39 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.58136) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Jia.tdb | 1161.39 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.5811) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Jia.tdb | 1144.57 | SM13ZN58 (x(Zn) 0.8169) + SM3ZN22 (x(Zn) 0.88) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Jia.tdb | 1141.95 | LIQUID (x(Zn) 0.76786) + SM3ZN11 (x(Zn) 0.78571) + SM13ZN58 (x(Zn) 0.8169) |
| SmZn-09Jia.tdb | 1141.94 | LIQUID (x(Zn) 0.76768) + SM3ZN11 (x(Zn) 0.78571) + SM13ZN58 (x(Zn) 0.8169) |
| SmZn-09Jia.tdb | 1129.69 | SMZN2 (x(Zn) 0.66667) + SMZN3 (x(Zn) 0.75) + LIQUID (x(Zn) 0.75253) |
| SmZn-09Jia.tdb | 1129.68 | SMZN3 (x(Zn) 0.75) + LIQUID (x(Zn) 0.75258) + SM3ZN11 (x(Zn) 0.78571) |
| SmZn-09Jia.tdb | 1106.9 | SM2ZN17 (x(Zn) 0.89474) + SMZN11_D2B (x(Zn) 0.91667) + LIQUID (x(Zn) 0.96323) |
| SmZn-09Jia.tdb | 1106.9 | SM2ZN17 (x(Zn) 0.89474) + SMZN11_D2B (x(Zn) 0.91667) + LIQUID (x(Zn) 0.96324) |
| SmZn-09Jia.tdb | 953.18 | BCC_A2 (x(Zn) 0.06785) + LIQUID (x(Zn) 0.23992) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 953.18 | BCC_A2 (x(Zn) 0.06784) + LIQUID (x(Zn) 0.23987) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 943.18 | HCP_A3 (x(Zn) 0.02351) + BCC_A2 (x(Zn) 0.06672) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 943.18 | HCP_A3 (x(Zn) 0.02349) + BCC_A2 (x(Zn) 0.0667) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 692.68 | SMZN11_D2B (x(Zn) 0.91667) + HCP_A3 (x(Zn) 1) + LIQUID (x(Zn) 1) |
| SmZn-09Jia.tdb | 615.21 | RHOMB_C19 (x(Zn) 0) + HCP_A3 (x(Zn) 0.00502) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 615.2 | RHOMB_C19 (x(Zn) 0) + HCP_A3 (x(Zn) 0.00503) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Jia.tdb | 615.2 | RHOMB_C19 (x(Zn) 0) + HCP_A3 (x(Zn) 0.00503) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Liu.tdb | 1169.28 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84337) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Liu.tdb | 1169.27 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84361) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Liu.tdb | 1169.27 | SM13ZN58 (x(Zn) 0.8169) + LIQUID (x(Zn) 0.84352) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Liu.tdb | 1166.65 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.59243) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Liu.tdb | 1166.65 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.59248) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Liu.tdb | 1166.65 | SMZN_B2 (x(Zn) 0.5) + LIQUID (x(Zn) 0.59224) + SMZN2 (x(Zn) 0.66667) |
| SmZn-09Liu.tdb | 1162.12 | SM13ZN58 (x(Zn) 0.8169) + SM3ZN22 (x(Zn) 0.88) + SM2ZN17 (x(Zn) 0.89474) |
| SmZn-09Liu.tdb | 1142.58 | LIQUID (x(Zn) 0.76585) + SM3ZN11 (x(Zn) 0.78571) + SM13ZN58 (x(Zn) 0.8169) |
| SmZn-09Liu.tdb | 1142.58 | LIQUID (x(Zn) 0.76594) + SM3ZN11 (x(Zn) 0.78571) + SM13ZN58 (x(Zn) 0.8169) |
| SmZn-09Liu.tdb | 1133.06 | SMZN2 (x(Zn) 0.66667) + SMZN3 (x(Zn) 0.75) + LIQUID (x(Zn) 0.75138) |
| SmZn-09Liu.tdb | 1132.99 | SMZN3 (x(Zn) 0.75) + LIQUID (x(Zn) 0.75263) + SM3ZN11 (x(Zn) 0.78571) |
| SmZn-09Liu.tdb | 1033.02 | SM2ZN17 (x(Zn) 0.89474) + SMZN11_D2B (x(Zn) 0.91667) + LIQUID (x(Zn) 0.97734) |
| SmZn-09Liu.tdb | 1033.02 | SM2ZN17 (x(Zn) 0.89474) + SMZN11_D2B (x(Zn) 0.91667) + LIQUID (x(Zn) 0.9773) |
| SmZn-09Liu.tdb | 993.88 | RHOMB_C19 (x(Zn) 1.700e-4) + HCP_A3 (x(Zn) 2.800e-4) + BCC_A2 (x(Zn) 0.06377) |
| SmZn-09Liu.tdb | 993.88 | RHOMB_C19 (x(Zn) 1.700e-4) + HCP_A3 (x(Zn) 2.800e-4) + BCC_A2 (x(Zn) 0.06376) |
| SmZn-09Liu.tdb | 993.88 | RHOMB_C19 (x(Zn) 1.700e-4) + HCP_A3 (x(Zn) 2.800e-4) + BCC_A2 (x(Zn) 0.06372) |
| SmZn-09Liu.tdb | 956.21 | BCC_A2 (x(Zn) 0.09329) + LIQUID (x(Zn) 0.22574) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Liu.tdb | 956.21 | BCC_A2 (x(Zn) 0.09323) + LIQUID (x(Zn) 0.22567) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Liu.tdb | 935.81 | RHOMB_C19 (x(Zn) 1.600e-4) + BCC_A2 (x(Zn) 0.08571) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Liu.tdb | 935.81 | RHOMB_C19 (x(Zn) 1.600e-4) + BCC_A2 (x(Zn) 0.0858) + SMZN_B2 (x(Zn) 0.5) |
| SmZn-09Liu.tdb | 692.67 | SMZN11_D2B (x(Zn) 0.91667) + HCP_A3 (x(Zn) 1) + LIQUID (x(Zn) 1) |
| SmZn-09Liu.tdb | 692.67 | SMZN11_D2B (x(Zn) 0.91667) + HCP_A3 (x(Zn) 1) + LIQUID (x(Zn) 1) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/SM/SM-ZN.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/SM/SM-ZN.json) · [CALPHAD hull SmZn-09Liu](https://data.orchid-project.org/hulls/calphad-sgte/SM/SM-ZN--SmZn-09Liu.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Sm–Zn system (39)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 1173.15 | eutectic: L -> Sm13Zn58 + Sm2Zn17 | L: Zn 0.855; Sm13Zn58: Zn 0.817; Sm2Zn17: Zn 0.895 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 7; `ORC-S3GFBVTHZD` |  |
| 1173 | eutectic: L -> Sm13Zn58 + Sm2Zn17 | L: Zn 0.855; Sm13Zn58: Zn 0.816901; Sm2Zn17: Zn 0.894737 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 19; `ORC-4J7OIQRCB4` |  |
| 1171 | eutectic: L -> Sm13Zn58 + Sm2Zn17 | L: Zn 0.842; Sm13Zn58: Zn 0.816901; Sm2Zn17: Zn 0.894737 | model | [2] Jia 2009 | Table 2, p. 3, row 20; `ORC-I6CLYLM5Q7` |  |
| 1169.15 | eutectic: L -> Sm13Zn58 + Sm2Zn17 | L: Zn 0.843; Sm13Zn58: Zn 0.817; Sm2Zn17: Zn 0.895 | model | [1] Liu 2009 | Table 5, p. 4, row 8; `ORC-DHVUH47CJH` |  |
| 1167.15 | eutectic: L -> SmZn + SmZn2 | L: Zn 0.592; SmZn: Zn 0.5; SmZn2: Zn 0.667 | model | [1] Liu 2009 | Table 5, p. 4, row 4; `ORC-XETAVV6AUN` |  |
| 1163.15 | eutectoid: Sm3Zn22 -> Sm13Zn58 + Sm2Zn17 | Sm3Zn22: Zn 0.88; Sm13Zn58: Zn 0.817; Sm2Zn17: Zn 0.895 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 15; `ORC-AT3N3FAO3F.e1908d` |  |
| 1163.15 | eutectic: L -> SmZn + SmZn2 | L: Zn 0.564; SmZn: Zn 0.5; SmZn2: Zn 0.667 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 3; `ORC-AT3N3FAO3F.fd8435` |  |
| 1163 | peritectoid: Sm13Zn58 + Sm2Zn17 -> Sm3Zn22 | Sm13Zn58: Zn 0.816901; Sm2Zn17: Zn 0.894737; Sm3Zn22: Zn 0.88 | model | [2] Jia 2009 | Table 2, p. 3, row 24; `ORC-DMWQJETJUD` |  |
| 1163 | peritectoid: Sm13Zn58 + Sm2Zn17 -> Sm3Zn22 | Sm13Zn58: Zn 0.816901; Sm2Zn17: Zn 0.894737; Sm3Zn22: Zn 0.88 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 23; `ORC-HTAA74NPYX` |  |
| 1163 | eutectic: L -> SmZn + SmZn2 | L: Zn 0.564; SmZn: Zn 0.5; SmZn2: Zn 0.666667 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 7; `ORC-UXUXONUCFQ` |  |
| 1162.15 | eutectoid: Sm3Zn22 -> Sm13Zn58 + Sm2Zn17 | Sm3Zn22: Zn 0.88; Sm13Zn58: Zn 0.817; Sm2Zn17: Zn 0.895 | model | [1] Liu 2009 | Table 5, p. 4, row 16; `ORC-J6F4Z5ALBT` |  |
| 1161 | eutectic: L -> SmZn + SmZn2 | L: Zn 0.581; SmZn: Zn 0.5; SmZn2: Zn 0.666667 | model | [2] Jia 2009 | Table 2, p. 3, row 8; `ORC-YXMLFEFZXN` |  |
| 1143.15 | peritectic: L + Sm13Zn58 -> Sm3Zn11 | Sm13Zn58: Zn 0.817; Sm3Zn11: Zn 0.786 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 11; `ORC-7XZRCA7JRS` |  |
| 1143.15 | peritectic: L + Sm13Zn58 -> Sm3Zn11 | L: Zn 0.766; Sm13Zn58: Zn 0.817; Sm3Zn11: Zn 0.786 | model | [1] Liu 2009 | Table 5, p. 4, row 12; `ORC-LMHBKMZ2AG` |  |
| 1143 | peritectic: L + Sm13Zn58 -> Sm3Zn11 | Sm13Zn58: Zn 0.816901; Sm3Zn11: Zn 0.785714 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 15; `ORC-MMB4K44ZB3` |  |
| 1142 | peritectic: L + Sm13Zn58 -> Sm3Zn11 | L: Zn 0.768; Sm13Zn58: Zn 0.816901; Sm3Zn11: Zn 0.785714 | model | [2] Jia 2009 | Table 2, p. 3, row 16; `ORC-UKHWXO23RT` |  |
| 1133.15 | peritectic: L -> SmZn2 + SmZn3 | L: Zn 0.751; SmZn2: Zn 0.667; SmZn3: Zn 0.75 | model | [1] Liu 2009 | Table 5, p. 4, row 10; `ORC-YHQXH7GBQX.809e46` |  |
| 1133.15 | eutectic: L + Sm3Zn11 -> SmZn3 | L: Zn 0.753; Sm3Zn11: Zn 0.786; SmZn3: Zn 0.75 | model | [1] Liu 2009 | Table 5, p. 4, row 6; `ORC-YHQXH7GBQX.f9d5a8` |  |
| 1130 | eutectic: L -> SmZn3 + Sm3Zn11 | L: Zn 0.753; SmZn3: Zn 0.75; Sm3Zn11: Zn 0.785714 | model | [2] Jia 2009 | Table 2, p. 3, row 14; `ORC-63HDOXTAKL` |  |
| 1130 | peritectic: L + SmZn2 -> SmZn3 | L: Zn 0.753; SmZn2: Zn 0.666667; SmZn3: Zn 0.75 | model | [2] Jia 2009 | Table 2, p. 3, row 12; `ORC-RDVXYPR6JC` |  |
| 1128.15 | peritectic: L -> SmZn2 + SmZn3 | SmZn2: Zn 0.667; SmZn3: Zn 0.75 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 9; `ORC-F4NPSSH27Y` |  |
| 1128 | peritectic: L + SmZn2 -> SmZn3 | SmZn2: Zn 0.666667; SmZn3: Zn 0.75 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 11; `ORC-UTK4S6MMSG` |  |
| 1123.15 | eutectic: L + Sm3Zn11 -> SmZn3 | L: Zn 0.76; Sm3Zn11: Zn 0.786; SmZn3: Zn 0.75 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 5; `ORC-L7IW6FFBQ7` |  |
| 1123 | eutectic: L -> SmZn3 + Sm3Zn11 | L: Zn 0.76; SmZn3: Zn 0.75; Sm3Zn11: Zn 0.785714 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 13; `ORC-XWBSVP5EXG` |  |
| 1033.15 | peritectic: L + Sm2Zn17 -> SmZn11 | Sm2Zn17: Zn 0.895; SmZn11: Zn 0.917 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 13; `ORC-TX435GMKLV` |  |
| 1033.15 | peritectic: L + Sm2Zn17 -> SmZn11 | L: Zn 0.977; Sm2Zn17: Zn 0.895; SmZn11: Zn 0.917 | model | [1] Liu 2009 | Table 5, p. 4, row 14; `ORC-YMAIC7F4FK` |  |
| 1033 | peritectic: L + Sm2Zn17 -> SmZn11 | Sm2Zn17: Zn 0.894737; SmZn11: Zn 0.916667 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 25; `ORC-2H664AFPYU` |  |
| 1033 | peritectic: L + Sm2Zn17 -> SmZn11 | L: Zn 0.979; Sm2Zn17: Zn 0.894737; SmZn11: Zn 0.916667 | model | [2] Jia 2009 | Table 2, p. 3, row 26; `ORC-VQJ77AKYAE` |  |
| 956.15 | eutectic: L -> bcc_A2 + SmZn | L: Zn 0.226; bcc_A2: Zn 0.093; SmZn: Zn 0.5 | model | [1] Liu 2009 | Table 5, p. 4, row 2; `ORC-ZA36VL6RKQ` |  |
| 953.15 | eutectic: L -> bcc_A2 + SmZn | L: Zn 0.239; SmZn: Zn 0.5 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 1; `ORC-TYIKBOYTX5` |  |
| 953 | eutectic: L -> SmZn + Bcc | L: Zn 0.24; SmZn: Zn 0.5 | model | [2] Jia 2009 | Table 2, p. 3, row 2; `ORC-5RWZLEZD6E` |  |
| 953 | eutectic: L -> SmZn + Bcc | L: Zn 0.239; SmZn: Zn 0.5 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 1; `ORC-PBFAXWNAIZ` |  |
| 943.15 | eutectoid: hcp + SmZn -> bcc_A2 | SmZn: Zn 0.5 | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 17; `ORC-JP4IU6M2IT` |  |
| 943 | eutectoid: Bcc -> Hcp(Sm) + SmZn | SmZn: Zn 0.5 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 3; `ORC-4MTWVXHER2` |  |
| 943 | eutectoid: Bcc -> Hcp(Sm) + SmZn | Bcc: Zn 0.0667; SmZn: Zn 0.5 | model | [2] Jia 2009 | Table 2, p. 3, row 4; `ORC-CAC6RRRPFK` |  |
| 935.15 | eutectoid: hcp + SmZn -> bcc_A2 | hcp: Zn 0; SmZn: Zn 0.5; bcc_A2: Zn 0.086 | model | [1] Liu 2009 | Table 5, p. 4, row 18; `ORC-GNDCIRH5DY` |  |
| 693 | eutectic: L -> SmZn11 + Hcp(Zn) | SmZn11: Zn 0.916667 | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 29; `ORC-JZ2RIEXLNL` |  |
| 693 | eutectic: L -> SmZn11 + Hcp(Zn) | L: Zn 0.0099999; SmZn11: Zn 0.916667 | model | [2] Jia 2009 | Table 2, p. 3, row 30; `ORC-ZWPVSME4Q7` |  |
| 615 | eutectoid: Hcp -> Rhom + SmZn | Hcp: Zn 0.005; Rhom: Zn 0; SmZn: Zn 0.5 | model | [2] Jia 2009 | Table 2, p. 3, row 28; `ORC-F47GEAD5CN` |  |

## Other properties

### Phase transition (16)

Table: Phase transition, Sm–Zn system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 1181 K | 1181 | congruent melting: L -> Sm13Zn58; _L: Zn 0.816901; Sm13Zn58: Zn 0.816901_ | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 17; `ORC-YLRCTIXZJM` |  |
| Phase transition | 1181.15 K | 1181.15 | congruent melting: L -> Sm13Zn58; _L: Zn 0.816901; Sm13Zn58: Zn 0.816901_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 23; `ORC-6MJS5EJW7I` |  |
| Phase transition | 1181.15 K | 1181.15 | congruent melting: L -> Sm13Zn58; _L: Zn 0.816901; Sm13Zn58: Zn 0.816901_ | model | [1] Liu 2009 | Table 5, p. 4, row 24; `ORC-HNIELD5SHB` |  |
| Phase transition | 1184 K | 1184 | congruent melting: L -> Sm13Zn58; _L: Zn 0.816901; Sm13Zn58: Zn 0.816901_ | model | [2] Jia 2009 | Table 2, p. 3, row 18; `ORC-KDLWHU3CWS` |  |
| Phase transition | 1213 K | 1213 | congruent melting: L -> Sm2Zn17; _L: Zn 0.894737; Sm2Zn17: Zn 0.894737_ | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 21; `ORC-TCHUC5XOFP` |  |
| Phase transition | 1213.15 K | 1213.15 | congruent melting: L -> Sm2Zn17; _L: Zn 0.894737; Sm2Zn17: Zn 0.894737_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 25; `ORC-SONJRKQ2GO` |  |
| Phase transition | 1213.15 K | 1213.15 | congruent melting: L -> Sm2Zn17; _L: Zn 0.894737; Sm2Zn17: Zn 0.894737_ | model | [1] Liu 2009 | Table 5, p. 4, row 26; `ORC-ZTNBFMG5HB` |  |
| Phase transition | 1214.15 K | 1214.15 | congruent melting: L -> SmZn2; _L: Zn 0.666667; SmZn2: Zn 0.666667_ | model | [1] Liu 2009 | Table 5, p. 4, row 22; `ORC-L3MRMPAM2P` |  |
| Phase transition | 1215 K | 1215 | congruent melting: L -> SmZn2; _L: Zn 0.666667; SmZn2: Zn 0.666667_ | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 9; `ORC-GVYRZYSADS` |  |
| Phase transition | 1215.15 K | 1215.15 | congruent melting: L -> SmZn2; _L: Zn 0.666667; SmZn2: Zn 0.666667_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 21; `ORC-CLJY5D42J4` |  |
| Phase transition | 1220 K | 1220 | congruent melting: L -> Sm2Zn17; _L: Zn 0.894737; Sm2Zn17: Zn 0.894737_ | model | [2] Jia 2009 | Table 2, p. 3, row 22; `ORC-MTYIHXLGN6` |  |
| Phase transition | 1225 K | 1225 | congruent melting: L -> SmZn2; _L: Zn 0.666667; SmZn2: Zn 0.666667_ | model | [2] Jia 2009 | Table 2, p. 3, row 10; `ORC-BBBK7ZFMYX` |  |
| Phase transition | 1233 K | 1233 | congruent melting: L -> SmZn; _L: Zn 0.5; SmZn: Zn 0.5_ | experimental | [2] Jia 2009; _cites Chiotti 1967_ | Table 2, p. 3, row 5; `ORC-2STKW4GIDP` |  |
| Phase transition | 1233 K | 1233 | congruent melting: L -> SmZn; _L: Zn 0.5; SmZn: Zn 0.5_ | model | [2] Jia 2009 | Table 2, p. 3, row 6; `ORC-S7TWPNOTPQ` |  |
| Phase transition | 1233.15 K | 1233.15 | congruent melting: L -> SmZn; _L: Zn 0.5; SmZn: Zn 0.5_ | model | [1] Liu 2009 | Table 5, p. 4, row 20; `ORC-C6DHK4HGS7` |  |
| Phase transition | 1233.15 K | 1233.15 | congruent melting: L -> SmZn; _L: Zn 0.5; SmZn: Zn 0.5_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 5, p. 4, row 19; `ORC-KAHALSDKUY` |  |

### Formation (45)

Table: Formation, Sm–Zn system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -28.86 kJ/mol-atom | 773.15 | Sm13Zn58; _alloy: Zn 0.816901_ | model | [1] Liu 2009 | Table 6, p. 6, row 25; `ORC-JXRHPLEM36` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -28.93 kJ/mol-atom | 773.15 | Sm13Zn58; _alloy: Zn 0.816901_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 26; `ORC-ZTYQWQQDBR` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -22.52 kJ/mol-atom | 773.15 | Sm2Zn17; _alloy: Zn 0.894737_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 38; `ORC-MIGPL255DV` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -22.46 kJ/mol-atom | 773.15 | Sm2Zn17; _alloy: Zn 0.894737_ | model | [1] Liu 2009 | Table 6, p. 6, row 37; `ORC-ZRALMGQUAP` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -30.41 kJ/mol-atom | 773.15 | Sm3Zn11; _alloy: Zn 0.785714_ | model | [1] Liu 2009 | Table 6, p. 6, row 19; `ORC-AM4FNWX3PH` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -30.66 kJ/mol-atom | 773.15 | Sm3Zn11; _alloy: Zn 0.785714_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 20; `ORC-SJLG4VVRQL` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -23.68 kJ/mol-atom | 773.15 | Sm3Zn22; _alloy: Zn 0.88_ | model | [1] Liu 2009 | Table 6, p. 6, row 31; `ORC-24ED3AIQG4` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -23.96 kJ/mol-atom | 773.15 | Sm3Zn22; _alloy: Zn 0.88_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 32; `ORC-RPTA4PZEF7` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -33.28 kJ/mol-atom | 773.15 | SmZn; _alloy: Zn 0.5_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 2; `ORC-CSB4QY535P` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -33.17 kJ/mol-atom | 773.15 | SmZn; _alloy: Zn 0.5_ | model | [1] Liu 2009 | Table 6, p. 6, row 1; `ORC-VLXA63HMM7` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -19.06 kJ/mol-atom | 773.15 | SmZn11; _alloy: Zn 0.916667_ | model | [1] Liu 2009 | Table 6, p. 6, row 43; `ORC-G7ECMLRT7C` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -35.45 kJ/mol-atom | 773.15 | SmZn2; _alloy: Zn 0.666667_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 8; `ORC-CCKH2ZC3OC` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -35.58 kJ/mol-atom | 773.15 | SmZn2; _alloy: Zn 0.666667_ | model | [1] Liu 2009 | Table 6, p. 6, row 7; `ORC-TEKSF3K7GX` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -31.99 kJ/mol-atom | 773.15 | SmZn3; _alloy: Zn 0.75_ | model | [1] Liu 2009 | Table 6, p. 6, row 13; `ORC-BIJ2ODK2UW` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -32.14 kJ/mol-atom | 773.15 | SmZn3; _alloy: Zn 0.75_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 14; `ORC-NO76GSQUOM` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -25.81 kJ/mol-atom | 973.15 | Sm13Zn58; _alloy: Zn 0.816901_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 28; `ORC-34PUB3JLDB` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -25.89 kJ/mol-atom | 973.15 | Sm13Zn58; _alloy: Zn 0.816901_ | model | [1] Liu 2009 | Table 6, p. 6, row 27; `ORC-O5KT54OKRJ` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -19.17 kJ/mol-atom | 973.15 | Sm2Zn17; _alloy: Zn 0.894737_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 40; `ORC-ENYC5DGVKJ` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -19.34 kJ/mol-atom | 973.15 | Sm2Zn17; _alloy: Zn 0.894737_ | model | [1] Liu 2009 | Table 6, p. 6, row 39; `ORC-V7WXJBRPST` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -27.47 kJ/mol-atom | 973.15 | Sm3Zn11; _alloy: Zn 0.785714_ | model | [1] Liu 2009 | Table 6, p. 6, row 21; `ORC-75DZMFVH5R` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -27.52 kJ/mol-atom | 973.15 | Sm3Zn11; _alloy: Zn 0.785714_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 22; `ORC-DZZVET53KI` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -20.68 kJ/mol-atom | 973.15 | Sm3Zn22; _alloy: Zn 0.88_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 34; `ORC-32RUX5I6LW` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -20.58 kJ/mol-atom | 973.15 | Sm3Zn22; _alloy: Zn 0.88_ | model | [1] Liu 2009 | Table 6, p. 6, row 33; `ORC-LH4RYKX4SE` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -31.35 kJ/mol-atom | 973.15 | SmZn; _alloy: Zn 0.5_ | model | [1] Liu 2009 | Table 6, p. 6, row 3; `ORC-77MVMBAH4T` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -31.2 kJ/mol-atom | 973.15 | SmZn; _alloy: Zn 0.5_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 4; `ORC-KJUINFJ4PN` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -15.66 kJ/mol-atom | 973.15 | SmZn11; _alloy: Zn 0.916667_ | model | [1] Liu 2009 | Table 6, p. 6, row 44; `ORC-4Z24ZWUXTM` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -32.52 kJ/mol-atom | 973.15 | SmZn2; _alloy: Zn 0.666667_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 10; `ORC-3GSTV6FR7O` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -32.82 kJ/mol-atom | 973.15 | SmZn2; _alloy: Zn 0.666667_ | model | [1] Liu 2009 | Table 6, p. 6, row 9; `ORC-NIQVRNBSM4` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -29.1 kJ/mol-atom | 973.15 | SmZn3; _alloy: Zn 0.75_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 16; `ORC-44DYV436VP` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -29.09 kJ/mol-atom | 973.15 | SmZn3; _alloy: Zn 0.75_ | model | [1] Liu 2009 | Table 6, p. 6, row 15; `ORC-52HDUQEYGM` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -22.91 kJ/mol-atom | 1173.15 | Sm13Zn58; _alloy: Zn 0.816901_ | model | [1] Liu 2009 | Table 6, p. 6, row 29; `ORC-PJNB6TDDQ4` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -22.23 kJ/mol-atom | 1173.15 | Sm13Zn58; _alloy: Zn 0.816901_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 30; `ORC-XHOHAWLLOO` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -16.21 kJ/mol-atom | 1173.15 | Sm2Zn17; _alloy: Zn 0.894737_ | model | [1] Liu 2009 | Table 6, p. 6, row 41; `ORC-7AOJMQEWQC` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -15.47 kJ/mol-atom | 1173.15 | Sm2Zn17; _alloy: Zn 0.894737_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 42; `ORC-T2W7HHQI4L` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -24.53 kJ/mol-atom | 1173.15 | Sm3Zn11; _alloy: Zn 0.785714_ | model | [1] Liu 2009 | Table 6, p. 6, row 23; `ORC-B3F6OCWX5N` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -24.12 kJ/mol-atom | 1173.15 | Sm3Zn11; _alloy: Zn 0.785714_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 24; `ORC-IOXMXKWJEN` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -17.48 kJ/mol-atom | 1173.15 | Sm3Zn22; _alloy: Zn 0.88_ | model | [1] Liu 2009 | Table 6, p. 6, row 35; `ORC-QNMLB4ITNV` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -17.05 kJ/mol-atom | 1173.15 | Sm3Zn22; _alloy: Zn 0.88_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 36; `ORC-RSMAR3WZAH` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -29.1 kJ/mol-atom | 1173.15 | SmZn; _alloy: Zn 0.5_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 6; `ORC-QICZWTTHCR` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -29.53 kJ/mol-atom | 1173.15 | SmZn; _alloy: Zn 0.5_ | model | [1] Liu 2009 | Table 6, p. 6, row 5; `ORC-UOMJKUWJKC` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -12.26 kJ/mol-atom | 1173.15 | SmZn11; _alloy: Zn 0.916667_ | model | [1] Liu 2009 | Table 6, p. 6, row 45; `ORC-K7YIHCKQUN` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -29.31 kJ/mol-atom | 1173.15 | SmZn2; _alloy: Zn 0.666667_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 12; `ORC-3WWXG3KLXW` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -30.05 kJ/mol-atom | 1173.15 | SmZn2; _alloy: Zn 0.666667_ | model | [1] Liu 2009 | Table 6, p. 6, row 11; `ORC-XRFSU3C5TT` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -25.65 kJ/mol-atom | 1173.15 | SmZn3; _alloy: Zn 0.75_ | experimental | [1] Liu 2009; _cites Chiotti 1967_ | Table 6, p. 6, row 18; `ORC-5SGYRKTL4Z` |  |
| Gibbs energy of formation; _printed: Gibbs free energy of formation_ | -26.19 kJ/mol-atom | 1173.15 | SmZn3; _alloy: Zn 0.75_ | model | [1] Liu 2009 | Table 6, p. 6, row 17; `ORC-JFDMDLIQSA` |  |

## Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

1. X.J. Liu, X. Chen, C.P. Wang, Thermodynamic assessments of the Sm–Zn and Nd–Zn systems, Journal of Alloys and Compounds 468, 115-121 (2009). [doi:10.1016/j.jallcom.2008.01.003](https://doi.org/10.1016/j.jallcom.2008.01.003)
2. B.R. Jia, L.G. Zhang, G.X. Huang, H.Y. Qi, H. Yang, L.B. Liu et al., Thermodynamic assessment of the Sm–Zn binary system, Journal of Alloys and Compounds 473, 176-179 (2009). [doi:10.1016/j.jallcom.2008.06.019](https://doi.org/10.1016/j.jallcom.2008.06.019)

## Please cite

- R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569
- R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859
- R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891
- R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065

Also cite the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0).

Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

```bibtex
@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).