主要研究领域：

1，介电/铁电/压电/热电等电子信息功能材料及器件研究；

2，超高温陶瓷及涂层的热/力学研究。

近些年来主持了JKW重大基础研究项目子项目、ZF基础应用项目、国家自然科学基金、陕西省自然科学基金、中国博士后基金特别资助项目、中国博士后基金面上项目、ZF重点实验室基金、国际合作联合实验室基金、教育部重点实验室基金、横向课题等项目十几项。获陕西高等学校科学技术奖一等奖、陕西省优秀博士论文等奖励及荣誉。

已在Nature Communications、 Advanced Functional Materials、Advanced Energy Materials、Energy Storage Materials、Chemical Engineering Journal、Acta Materialia、Scripta Materialia、Journal of Materials Chemistry A、Materials Research Letters、Journal of Materials Chemistry C、Applied Physics Letters、Journal of the European Ceramic Society等国际知名期刊上发表SCI论文70余篇，被引用次数超过3000次，H-index指数因子32。

代表性论文如下：

[1]. Changbai Long#, Ziqian Su, Huiming Song, Anwei Xu, Laijun Liu#, Yang Li, Kun Zheng, Wei Ren, Haijun Wu#, Xiangdong Ding#, Excellent energy storage properties with ultrahigh Wrec in lead-free relaxor ferroelectrics of ternary Bi_0.5Na_0.5TiO₃-SrTiO₃-Bi_0.5Li_0.5TiO₃ via multiple synergistic optimization, Energy Storage Materials 65 (2024) 103055.

[2]. Changbai Long#, Wenjie zhou, Laijun Liu#, Huiming Song, Haijun Wu, Kun Zheng Wei Ren, Xiangdong Ding#, Achieving excellent energy storage performances and eminentcharging-discharging capability in donor (1-x)BT-x(BZN-Nb) relaxor ferroelectric ceramics, Chemical Engineering Journal, 459 (2023) 141490.

[3]. Changbai Long#, Wenjie Zhou, Huiming Song, Kun Zheng, Wei Ren, Haijun Wu#, Xiangdong Ding#, Laijun Liu#, Simultaneously realizing ultrahigh energy storage density and efficiency in BaTiO₃-based dielectric ceramics by creating highly dynamic polar nanoregions and intrinsic conduction, Acta Materialia, 256 (2023) 119135.

[4]. Si-Rui Zhang, Mei-Xiong Zhu, Jagadeesh Suriyaprakash, Jin-Mei Liu, Tao Du, Yu-Jia Wang, Chang-Bai Long#, and Min Liao#, Flux-Closure Domains in PbTiO₃/SrTiO₃ Multilayers Mediated without Tensile Strain, Journal of Physical Chemistry C, 2022, 126, 4630-4637

[5]. Changbai Long#,Wenjie Zhou, Wei Ren#, Yijun Zhang, Kun Zheng, Laijun Liu#, Enhanced piezoelectric properties and high electrical resistivity in (Li_0.5Pr_0.5) co-substituted bismuth calcium tantalate (CaBi₂Ta₂O₉) ceramics, Scripta Materialia 2021, 204, 114102.

[6]. Yingzhi Meng, Kang Liu, Xiuyun Zhang, Xiuyun Lei, Jun Chen, Zhao Yang, Biaolin Peng, Changbai Long#, Laijun Liu#, Chunchun Li#, Defect engineering in rare‐earth‐doped BaTiO₃ ceramics: Route to high‐temperature stability of colossal permittivity, Journal of the American Ceramic Society, 2022, 105:5725.

[7]. Kaiyuan Chen, Qi Zhang, Jia Liu, Jie Wang, Zhencheng Lan, Liang Fang, Changzheng Hu, Nengneng Luo, Biaolin Peng, Changbai Long#, Dawei Wang#, Laijun Liu#, Dynamic behavior of polar nanoregions in re-entrant relaxor 0.6Bi(Mg_1/2Ti_1/2)O₃-0.4PbTiO₃, Physica Status Solidi A-Applications and Materials, 2022, 219, 2100579.

[8]. Changbai Long#, Ning Ji, Li Yang, Wenjie Zhou, Kun Zheng, Wei Ren#, Laijun Liu#, Effects of (Li_0.5Sm_0.5)/W co-substitution and sintering temperature on the structure and electrical properties of ultrahigh Curie temperature piezoceramics, Ca_0.92(Li_0.5Sm_0.5)_0.08Bi₂Nb_2-xW_xO₉, Journal of the European Ceramic Society 2021, 41, 2021, 3369-3378

[9]. Long Gu, Jinmei Liu, Nuanyang Cui, Qi Xu, Tao Du, Lu Zhang, Zheng Wang, Changbai Long, Yong Qin, Enhancing the current density of a piezoelectric nanogenerator using a three-dimensional intercalation electrode, Nature Communications, 2020, 11, 1030.

[10]. Changbai Long#, Bo Wang, Wei Ren#, Kun Zheng, Huiqing Fan, Dawei wang and Laijun liu, Significantly enhanced electrical properties in CaBi₂Nb₂O₉-based high-temperature piezoelectric ceramics, Applied Physics Letters 2020,117, 032902.

[11]. Changbai Long#, Wei Ren#, Kun Zheng and Huiqing Fan, Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca_1−3xBi_2+3xNb_2−xMn_xO₉, Materials Research Letters 2020, 8, 165–172.

[12]. Changbai Long#, Tao Du and Wei Ren#, Significant ion conduction in Cu acceptor-substituted bismuth titanate polycrystalline ceramics, Journal of Materials Science 2020, 55:5715–5729.

[13]. Changbai Long#, Wei Ren#,  Yiwen Li,  Laijun Liu,  Yuanhua Xia  and  Huiqing Fan, High oxide ion conductivity in the layer-structured Bi₄Ti₃O₁₂-based ferroelectric ceramics, Journal of Materials Chemistry C 2019, 7, 8825-8835.

[14]. Changbai Long#, HuiqingFan#, Wei Ren, Jinyan Zhao, Double polarization hysteresis and dramatic influence of small compositional variations on the electrical properties in Bi₄Ti₃O₁₂ ceramics, Journal of the European Ceramic Society 2019, 39, 4103–4112.

[15]. Changbai Long#, Qi Chang, Yun Wu, Weifeng He, Yinghong Li, Huiqing Fan#. New layer-structured ferroelectric polycrystallines, Na_0.5Nd_xBi_4.5-xTi₄O₁₅: crystal structures, electrical properties and conduction behaviors. Journal of Materials Chemistry C 2015, 3: 8852-8864.

[16]. Longtao Ma,  Shengmei Chen, Changbai Long, Xinliang Li, Yuwei Zhao, Zhuoxin Liu, Zhaodong Huang, Binbin Dong, Zapien, Chunyi Zhi#, Achieving High‐Voltage and High‐Capacity Aqueous Rechargeable Zinc Ion Battery by Incorporating Two‐Species Redox Reaction, Advanced Energy Materials, 2019,9, 1902446

[17]. Longtao Ma,  Na Li,  Changbai Long, Binbin Dong, Daliang Fang, Zhuoxin Liu, Yuwei Zhao, Xinliang Li, Jun Fan, Shimou Chen, Suojiang Zhang, Chunyi Zhi, Achieving Both High Voltage and High Capacity in Aqueous Zinc-Ion Battery for Record High Energy Density, Advanced Functional Materials 2019, 29, 1906142.

[18]. Liucheng Zhou, Changbai Long#, Weifeng He#, Yinghong Li and Sihai Luo.  Improvement of high-temperature fatigue performance in nickel-based alloy by LSP-induced surface nanocrystallization. Journal of Alloys and Compounds 2018, 744, 156-164.

[19]. Changbai Long#, Qi Chang, Huiqing Fan#, Tangyuan Li, Weifeng He. Differences in nature of electrical conductions among Bi4Ti3O12-based ferroelectric polycrystalline ceramics. Scientific Reports 2017, 7: 4193.

[20]. Changbai Long#, Tangyuan Li, Huiqing Fan#, Yun Wu, Liucheng Zhou, Yiwen Li, Lianghua Xiao, Yinghong Li. Li-substituted K_0.5Na_0.5NbO₃-based piezoelectric ceramics: Crystal structures and the effect of atmosphere on electrical properties. Journal of Alloys and Compounds 2016, 658: 839-847.