Phase-field study of the effects of the multi-controlling parameters on columnar dendrite during directional solidification in hexagonal materialsYongbiao Wang, Mingguang Wei, Xintian Liu, Cong Chen, Yujuan Wu, Liming Peng and Long-Qing ChenEur. Phys. J. E, 43 7 (2020) 41DOI: https://doi.org/10.1140/epje/i2020-11964-9