1）负膨胀、零膨胀材料
2）新型金属基复合材料
3）固态相变制冷、储能与热管理材料

主持国家基金委优秀青年科学基金项目、大科学装置联合基金项目、中科院前沿重点研究计划、合肥研究院院长基金融合专项等项目10余项。长期从事功能材料研究。近年来在Acta Materialia、Scripta Materialia、Materials Horizons等杂志发表学术论文100余篇，论文他引1800余次，H-index为26。

一、代表性论文列表（近5年）
1. “Giant room-temperature barocaloric effect at the electronic phase transition in Ni1-xFexS”, J. C. Lin, P. Tong,* X. K. Zhang, Z. C. Wang, Z. Zhang, B. Li,* G. H. Zhong,* J. Chen, Y. D. Wu, H. L. Lu, L. H. He, B. Bai, L. L. Ling, W. H. Song, Z. D. Zhang and Y. P. Sun, Mater. Horiz. 7, 2690 (2020).
2. “Tunable thermal expansion in zinc-bonded composites: Zn/Si/Zn0.75Sn0.2Mn0.05NMn3”, Z. C. Wang, J. C. Lin*, P. Tong*, M. G. Kong, X. K. Zhang, C. Yang, W. H. Song, Y. P. Sun, Scripta Mater. 177, 166-171 (2020).
3. “Good comprehensive performance of Laves phase Hf1-xTaxFe2 as negative thermal expansion materials”, L. F. Li, P. Tong*, Y. M. Zou, W. Tong, W. B. Jiang, Y. Jiang, X. K. Zhang, J. C. Lin*, M. Wang, C. Yang, X. B. Zhu, W. H. Song, Y. P. Sun, Acta Mater. 161, 258-265 (2018).
4. “Enhanced mechanical properties and large magnetocaloric effect in epoxy-bonded Mn0.98CoGe”, F. Zhu, J. C. Lin*, W. B. Jiang, C. Yang, L. F. Li, X. K. Zhang, W. H. Song, X. B. Zhu, P. Tong*, Y. P Sun, Scripta Mater. 150, 96-100 (2018).
5. “Large and constant coefficient of negative thermal expansion covering a wide temperature range in Zn1−xMnxNMn3 (0 ≤ x ≤ 0.3)”, J. C. Lin, P. Tong*, W. Tong, Y. M. Zou, C. Yang, F. Zhu, X. K. Zhang, L. F. Li, M. Wang, Y. Wu, S. Lin, W. H. Song, X. B. Zhu, Y. P. Sun*, Scripta Mater. 152, 6-10 (2018).）
6. “Crossover of thermal expansion from positive to negative by removing the excess fluorines in cubic ReO3-type TiZrF7-x”, C. Yang, Y. G. Zhang, J. M. Bai, B. Y. Qu, P. Tong*, M. Wang, J. C. Lin, R. R. Zhang, H. Y. Tong, Y. Wu, W. H. Song, and Y. P. Sun, J. Mater. Chem. C 6, 5148 (2018).(Back Cover)
7. “Size effects on negative thermal expansion in cubic ScF3”, C. Yang, P. Tong*, J. C. Lin, X. G. Guo, K. Zhang, M. Wang, Y. Wu, S. Lin, P. C. Huang, W. Xu, W. H. Song, and Y. P. Sun*, Appl. Phys. Lett. 109, 023110 (2016).
8. “Large negative thermal expansion in (Ga0.7Cu0.3)1-xMnxNMn3 (x≤0.4), compensating for the thermal expansion of cryogenic materials”, X. G. Guo, P. Tong*, J. C. Lin*, C. Yang, K. Zhang, M. Wang, Y. Wu, S. Lin, W. H. Song, and Y. P. Sun, Scripta Mater. 128, 74-77(2017).
二、主持的项目列表（近5年））
1. 强磁场下量子功能材料的局域晶格结构研究，中科院前沿科学重点研究计划；
2. 铁基Laves相合金的局域晶格结构与负热膨胀机理研究，大科学装置联合基金；
3. 反钙钛矿结构反常热膨胀锰氮化物的高场电子磁共振研究，大科学装置联合基金；
4. 强磁场下过渡金属关联电子化合物的局域结构研究，国家基金委优青项目。