journal article·2022-10

Pyrochlore–fluorite dual-phase high-entropy RE2(Ce0.2Zr0.2Hf0.2Sn0.2Ti0.2)2O7 (RE2HE2O7, RE = La, Nd, Sm, Eu, Gd, Dy) ceramics with glass-like thermal conductivity

Junjie He, Guo He, Panpan Wang, Lurun Xu, Jing Liu, Jingchao Tao

Journal of Materials Science· Volume 57· Issue 37
Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: High-Temperature Coating Behaviors · Nuclear materials and radiation effects · Nuclear Materials and Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (48)

Show source-provided references
1. Clarke DR, Phillpot SR (2005) Thermal barrier coating materials. Mater Today 8(6):22–29. https://doi.org/10.1016/s1369-7021(05)70934-210.1016/s1369-7021(05)70934-2 ↗
2. Cao XQ, Vassen R, Stoever D (2004) Ceramic materials for thermal barrier coatings. J Eur Ceram Soc 24(1):1–10. https://doi.org/10.1016/s0955-2219(03)00129-810.1016/s0955-2219(03)00129-8 ↗
3. Feng J, Ren X, Wang X, Zhou R, Pan W (2012) Thermal conductivity of ytterbia-stabilized zirconia. Scr Mater 66(1):41–44. https://doi.org/10.1016/j.scriptamat.2011.09.03810.1016/j.scriptamat.2011.09.038 ↗
4. Mercer C, Williams JR, Clarke DR, Evans AG (2007) On a ferroelastic mechanism governing the toughness of metastable tetragonal-prime (t′) yttria-stabilized zirconia. Proc R Soc A 463(2081):1393–1408. https://doi.org/10.1098/rspa.2007.182910.1098/rspa.2007.1829 ↗
5. Wu J, Wei X, Padture NP (2002) Low-thermal-conductivity rare-earth zirconates for potential thermal-barrier-coating applications. J Am Ceram Soc 34(10):3031–3035. https://doi.org/10.1111/j.1151-2916.2002.tb00574.x10.1111/j.1151-2916.2002.tb00574.x ↗
6. Sun M, Sui Y, Gao K et al (2019) Theoretical investigation of mechanical and thermal properties of RE2Hf2O7 (RE=La, Ce, Pr, Nd, Pm and Sm) pyrochlore oxides. Ceram Int 45:12101–12105. https://doi.org/10.1016/j.ceramint.2019.03.10810.1016/j.ceramint.2019.03.108 ↗
7. Cao X, Vassen R, Fischer W, Tietz F, Jungen W, Stöver D (2003) Lanthanum–cerium oxide as a thermal barrier-coating material for high-temperature applications. Adv Mater 15(17):1438–1442. https://doi.org/10.1002/adma.20030413210.1002/adma.200304132 ↗
8. Qu Z, Wan C, Pan W (2012) Thermophysical properties of rare-earth stannates: effect of pyrochlore structure. Acta Mater 60(6–7):2939–2949. https://doi.org/10.1016/j.actamat.2012.01.05710.1016/j.actamat.2012.01.057 ↗
9. Wang Y, Yang F, Xiao P (2014) Role and determining factor of substitutional defects on thermal conductivity: a study of La2(Zr1−xBx)2O7 (B=Hf, Ce, 0⩽x⩽0.5) pyrochlore solid solutions. Acta Mater 68:106–115. https://doi.org/10.1016/j.actamat.2014.01.01110.1016/j.actamat.2014.01.011 ↗
10. Wang Y, Yang F, Xiao P (2012) Glass-like thermal conductivities in (La1-x1Yx1)2(Zr1-x2Yx2)O7-x2 (x = x1 + x2, 0≤x≤1.0) solid solutions. Acta Mater 60(20):7024–7033. https://doi.org/10.1016/j.actamat.2012.08.06310.1016/j.actamat.2012.08.063 ↗
11. Sarkar A, Breitung B, Hahn H (2020) High entropy oxides: the role of entropy, enthalpy and synergy. Scr Mater 187:43–48. https://doi.org/10.1016/j.scriptamat.2020.05.01910.1016/j.scriptamat.2020.05.019 ↗
12. Xu L, Su L, Wang H et al (2022) High-entropy Sm2B2O7 (B=Ti, Zr, Sn, Hf, Y, Yb, Nb, and Ta) oxides with highly disordered B-site cations for ultralow thermal conductivity. J Mater Sci Technol 119:182–189. https://doi.org/10.1016/j.jmst.2021.12.03810.1016/j.jmst.2021.12.038 ↗
13. Ren K, Wang QK, Cao YJ, Shao G, Wang YG (2021) Multicomponent rare-earth cerate and zirconocerate ceramics for thermal barrier coating materials. J Eur Ceram Soc 41(2):1720–1725. https://doi.org/10.1016/j.jeurceramsoc.2020.10.00510.1016/j.jeurceramsoc.2020.10.005 ↗
14. Zhao Z, Xiang H, Dai F-Z, Peng Z, Zhou Y (2019) (La0.2Ce0.2Nd0.2Sm0.2Eu0.2)2Zr2O7: a novel high-entropy ceramic with low thermal conductivity and sluggish grain growth rate. J Mater Sci Technol 35(11):2647–2651. https://doi.org/10.1016/j.jmst.2019.05.05410.1016/j.jmst.2019.05.054 ↗
15. Karthick G, Raman L, Murty BS (2021) Phase evolution and mechanical properties of novel nanocrystalline Y2(TiZrHfMoV)2O7 high entropy pyrochlore. J Mater Sci Technol 82:214–226. https://doi.org/10.1016/j.jmst.2020.12.02510.1016/j.jmst.2020.12.025 ↗
16. He JJ, He G, Liu J, Tao JC (2021) New class of high-entropy defect fluorite oxides RE2(Ce0.2Zr0.2Hf0.2Sn0.2Ti0.2)2O7 (RE = Y, Ho, Er, or Yb) as promising thermal barrier coatings. J Eur Ceram Soc 41(12):6080–6086. https://doi.org/10.1016/j.jeurceramsoc.2021.05.04410.1016/j.jeurceramsoc.2021.05.044 ↗
17. Evans AG, Charles EA (1976) Fracture toughness determinations by indentation. J Am Ceram Soc 59:371–372. https://doi.org/10.1111/j.1151-2916.1976.tb10991.x10.1111/j.1151-2916.1976.tb10991.x ↗
18. Zhu JT, Meng XY, Zhang P et al (2021) Dual-phase rare-earth-zirconate high-entropy ceramics with glass-like thermal conductivity. J Eur Ceram Soc 41(4):2861–2869. https://doi.org/10.1016/j.jeurceramsoc.2020.11.04710.1016/j.jeurceramsoc.2020.11.047 ↗
19. Zhang KB, Li WW, Zeng JJ, et al (2020) Preparation of (La0.2Nd0.2Sm0.2Gd0.2Yb0.2)2Zr2O7 high-entropy transparent ceramic using combustion synthesized nanopowder. J Alloys Compd 817:153328. https://doi.org/10.1016/j.jallcom.2019.15332810.1016/j.jallcom.2019.153328 ↗
20. Teng Z, Tan YQ, Zeng SF et al (2021) Preparation and phase evolution of high-entropy oxides A2B2O7 with multiple elements at A and B sites. J Eur Ceram Soc 41(6):3614–3620. https://doi.org/10.1016/j.jeurceramsoc.2021.01.01310.1016/j.jeurceramsoc.2021.01.013 ↗
21. Meng XY, Xu J, Zhu JT et al (2021) Pyrochlore-fluorite dual-phase high-entropy ceramic foams with extremely low thermal conductivity from particle-stabilized suspension. Scr Mater 194:113714. https://doi.org/10.1016/j.scriptamat.2020.11371410.1016/j.scriptamat.2020.113714 ↗
22. Zhang DB, Yu Y, Feng XL, Tian ZY, Song RQ (2022) Thermal barrier coatings with high-entropy oxide as a top coat. Ceram Int 48(1):1349–1359. https://doi.org/10.1016/j.ceramint.2021.09.21910.1016/j.ceramint.2021.09.219 ↗
23. Subramanian MA, Aravamudan G, Subba Rao GV (1983) Oxide pyrochlores—a review. Prog Solid State Chem 15(2):55–143. https://doi.org/10.1016/0079-6786(83)90001-810.1016/0079-6786(83)90001-8 ↗
24. Fan W, Bai Y, Liu YF et al (2022) Principal element design of pyrochlore-fluorite dual-phase medium- and high-entropy ceramics. J Mater Sci Technol 107:149–154. https://doi.org/10.1016/j.jmst.2021.08.01810.1016/j.jmst.2021.08.018 ↗
25. Yang HB, Lin GQ, Bu HP, et al (2022) Single-phase forming ability of high-entropy ceramics from a size disorder perspective: a case study of (La0.2Eu0.2Gd0.2Y0.2Yb0.2)2Zr2O7. Ceram Int 48(5):6956–6965. https://doi.org/10.1016/j.ceramint.2021.11.25210.1016/j.ceramint.2021.11.252 ↗
26. Zhao M, Ren XR, Yang J, Pan W, White MA (2016) Low thermal conductivity of rare-earth zirconate-stannate solid solutions (Yb2Zr2O7)1–x(Ln2Sn2O7)x (Ln = Nd, Sm). J Am Ceram Soc 99(1):293–299. https://doi.org/10.1111/jace.1397910.1111/jace.13979 ↗
27. Ren X, Wan C, Zhao M, Yang J, Pan W (2015) Mechanical and thermal properties of fine-grained quasi-eutectoid (La1−xYbx)2Zr2O7 ceramics. J Eur Ceram Soc 35(11):3145–3154. https://doi.org/10.1016/j.jeurceramsoc.2015.04.02410.1016/j.jeurceramsoc.2015.04.024 ↗
28. Leitner J, Voňka P, Sedmidubský D, Svoboda P (2010) Application of Neumann–Kopp rule for the estimation of heat capacity of mixed oxides. Thermochim Acta 497(1–2):7–13. https://doi.org/10.1016/j.tca.2009.08.00210.1016/j.tca.2009.08.002 ↗
29. Liu ZG, Ouyang JH, Zhou Y (2009) Heat capacity measurements on YbxGd2-xZr2O7 (x = 0, 1, 2) ceramics by differential scanning calorimetry. Bull Mater Sci 32(6):603–606. https://doi.org/10.1007/s12034-009-0092-y10.1007/s12034-009-0092-y ↗
30. Song D, Ryu M, Kwon J et al (2021) Blocking of radiative thermal conduction in Zn2+-incorporated high-entropy A2B2O7 fluorite oxides. Ceram Int 47(23):33544–33553. https://doi.org/10.1016/j.ceramint.2021.08.26310.1016/j.ceramint.2021.08.263 ↗
31. Song D, Song T, Paik U et al (2021) Glass-like thermal conductivity in mass-disordered high-entropy (Y, Yb)2(Ti, Zr, Hf)2O7 for thermal barrier material. Mater Des 210:110059. https://doi.org/10.1016/j.matdes.2021.11005910.1016/j.matdes.2021.110059 ↗
32. Tritt TM (2004) Thermal conductivity: theory, properties, and applications. Kluwer Academic/Plenum Publishers, New York. https://doi.org/10.1007/b13649610.1007/b136496 ↗
33. Beekman M, Cahill DG (2017) Inorganic crystals with glass-like and ultralow thermal conductivities. Cryst Res Technol 52(10):1700114. https://doi.org/10.1002/crat.20170011410.1002/crat.201700114 ↗
34. Bryan C, Whitman CA, Johnson MB et al (2012) Thermal conductivity of (Er1−xYx)2Ti2O7 pyrochlore oxide solid solutions. Phys Rev B 86(5):054303. https://doi.org/10.1103/PhysRevB.86.05430310.1103/PhysRevB.86.054303 ↗
35. Goldsmid HJG (1968) Boundary scattering of phonons in solid solutions. Phys Lett A 27(8):523–524. https://doi.org/10.1016/0375-9601(68)90898-010.1016/0375-9601(68)90898-0 ↗
36. Chung JDC (2004) Role of phonon dispersion in lattice thermal conductivity modeling. J Heat Transf 126(3):376–380. https://doi.org/10.1115/1.172346910.1115/1.1723469 ↗
37. Peierls R (1929) Zur kinetischen Theories der Warmeleitung in Kristallen (Kinetic theory of heat conduction in crystals). Ann Phys 395(8):1055–1101. https://doi.org/10.1002/andp.1929395080310.1002/andp.19293950803 ↗
38. Wan C, Qu Z, Du A, Pan W (2009) Influence of B site substituent Ti on the structure and thermophysical properties of A2B2O7-type pyrochlore Gd2Zr2O7. Acta Mater 57(16):4782–4789. https://doi.org/10.1016/j.actamat.2009.06.04010.1016/j.actamat.2009.06.040 ↗
39. Winter MR, Clarke DR (2006) Thermal conductivity of yttria-stabilized zirconia–hafnia solid solutions. Acta Mater 54(19):5051–5059. https://doi.org/10.1016/j.actamat.2006.06.03810.1016/j.actamat.2006.06.038 ↗
40. Clarke DR (2003) Materials selection guidelines for low thermal conductivity thermal barrier coatings. Surf Coat Technol 163–164:67–74. https://doi.org/10.1016/s0257-8972(02)00593-510.1016/s0257-8972(02)00593-5 ↗
41. Wan C, Qu Z, Du A, Pan W (2011) Order-disorder transition and unconventional thermal conductivities of the (Sm1−xYbx)2Zr2O7 Series. J Am Ceram Soc 94(2):592–596. https://doi.org/10.1111/j.1551-2916.2010.04113.x10.1111/j.1551-2916.2010.04113.x ↗
42. Lu HR, Wang CA, Zhang CG, Tong SY (2015) Thermo-physical properties of rare-earth hexaaluminates LnMgAl11O19 (Ln: La, Pr, Nd, Sm, Eu and Gd) magnetoplumbite for advanced thermal barrier coatings. J Eur Ceram Soc 35(4):1297–1306. https://doi.org/10.1016/j.jeurceramsoc.2014.10.03010.1016/j.jeurceramsoc.2014.10.030 ↗
43. Ren X, Pan W (2014) Mechanical properties of high-temperature-degraded yttria-stabilized zirconia. Acta Mater 69:397–406. https://doi.org/10.1016/j.actamat.2014.01.01710.1016/j.actamat.2014.01.017 ↗
44. Castle E, Csanadi T, Grasso S, Dusza J, Reece M (2018) Processing and Properties of High-Entropy Ultra-High Temperature Carbides. Sci Rep 8(1):8609. https://doi.org/10.1038/s41598-018-26827-110.1038/s41598-018-26827-1 ↗
45. Plendl JN, Gielisse PJ (1962) Hardness of nonmetallic solids on an atomic basis. Phys Rev 125(3):828–832. https://doi.org/10.1103/physrev.125.82810.1103/physrev.125.828 ↗
46. Chen L, Jiang Y, Chong X, Feng J (2018) Synthesis and thermophysical properties of RETa3O9 (RE = Ce, Nd, Sm, Eu, Gd, Dy, Er) as promising thermal barrier coatings. J Am Ceram Soc 101(3):1266–1278. https://doi.org/10.1111/jace.1526810.1111/jace.15268 ↗
47. Zhao M, Ren X, Pan W (2015) Mechanical and thermal properties of simultaneously substituted pyrochlore compounds (Ca2Nb2O7)x(Gd2Zr2O7)1–x. J Eur Ceram Soc 35(3):1055–1061. https://doi.org/10.1016/j.jeurceramsoc.2014.10.00910.1016/j.jeurceramsoc.2014.10.009 ↗
48. Wang C, Guo L, Zhang Y, Zhao X, Ye F (2015) Enhanced thermal expansion and fracture toughness of Sc2O3-doped Gd2Zr2O7 ceramics. Ceram Int 41(9):10730–10735. https://doi.org/10.1016/j.ceramint.2015.05.00810.1016/j.ceramint.2015.05.008 ↗