Publications

Reversible regulation of thermal conductivity through spin-crossover transitionsCover

Qichen Song, Rahil Ukani, Vidhya Dev, Jungwoo Shin, Jinyoung Seo, Hong Ki Kim, Caleb Stamper, Ryan McGillicuddy, Catherine Thai, Dehong Yu, Gang Chen, Jarad A. Mason*

J. Am. Chem. Soc., 2026, 148 (30), 32186–32194

Observation of microscopic domain effects in the metal-insulator transition of thin-film NdNiO₃

Lucy S. Nathwani, Anne Ruperto, Ashvini Vallipuram, Abigail Y. Jiang, Grace A. Pan, Dan Ferenc Segedin, Ari B. Turkiewicz, Charles M. Brooks, Jarad A. Mason*, Qichen Song*, Julia A. Mundy*

Nano Lett., 2026, 26 (12), 4027–4033

Virtual node graph neural network for full phonon prediction

Ryotaro Okabe*, Abhijatmedhi Chotrattanapituk, Artittaya Boonkird, Nina Andrejevic, Xiang Fu, Tommi S. Jaakkola, Qichen Song, Thanh Nguyen, Nathan Drucker, Sai Mu, Bolin Liao, Yongqiang Cheng*, Mingda Li*

Nature Computational Science, 2024, 4, 522–531

Probing carrier and phonon transport in semiconductors all at once through frequency-domain photoreflectance

Qichen Song*, Sorren Warkander, Samuel C. Huberman*

Phys. Rev. Applied, 2024, 21, 034044

Effect of twist angle on interfacial thermal transport in two-dimensional bilayers

Lenan Zhang*, Yang Zhong, Xiangyu Li, Ji-Hoon Park, Qichen Song, Long Li, Liang Guo, Jing Kong*, Gang Chen*

Nano Lett., 2023, 23 (17), 7790–7796

Simultaneous enhancement in electrical conductivity and Seebeck coefficient by single- to double-valley transition in a Dirac-like band

Yu Dai, Wenjiang Zhou, Hyun-Jung Kim, Qichen Song, Xin Qian, Te-Huan Liu*, Ronggui Yang*

npj Computational Materials, 2022, 8, 234

Panoramic mapping of phonon transport from ultrafast electron diffraction and scientific machine learning

Zhantao Chen*, Xiaozhe Shen*, Nina Andrejevic, Tongtong Liu, Duan Luo, Thanh Nguyen, Nathan C. Drucker, Michael E. Kozina, Qichen Song, Chengyun Hua, Gang Chen, Xijie Wang, Jing Kong, Mingda Li*

Adv. Mater., 2022, 35, 2206997

Nanoscale imaging of phonon dynamics by electron microscopy

Chaitanya A. Gadre#, Xingxu Yan#, Qichen Song, Jie Li, Lei Gu, Toshihiro Aoki, Sheng-Wei Lee, Gang Chen, Ruqian Wu, Xiaoqing Pan*

Nature, 2022, 606, 292–297

Significant reduction in semiconductor interface resistance via interfacial atomic mixing

Qichen Song, Jiawei Zhou, Gang Chen*

Phys. Rev. B, 2022, 105, 195306

Mobility enhancement in heavily doped semiconductors via electron cloaking

Jiawei Zhou*, Hangtian Zhu, Qichen Song, Zhiwei Ding, Jun Mao, Zhifeng Ren, Gang Chen*

Nat. Commun., 2022, 13, 2482

Toward optimal heat transfer of 2D–3D heterostructures via van der Waals binding effects

Lenan Zhang, Yang Zhong, Xin Qian, Qichen Song, Jiawei Zhou, Long Li, Liang Guo*, Gang Chen*, Evelyn N. Wang*

ACS Appl. Mater. Interfaces, 2021, 13 (38), 46055–46064

Evaluation of diffuse mismatch model for phonon scattering at disordered interfaces

Qichen Song*, Gang Chen

Phys. Rev. B, 2021, 104, 085310

Signature of many-body localization of phonons in strongly disordered superlattices

Thanh Nguyen, Nina Andrejevic, Hoi Chun Po, Qichen Song, Yoichiro Tsurimaki, Nathan C. Drucker, Ahmet Alatas, Esen E. Alp, Bogdan M. Leu, Alessandro Cunsolo, Yong Q. Cai, Lijun Wu, Joseph A. Garlow, Yimei Zhu, Hong Lu, Arthur C. Gossard, Alexander A. Puretzky, David B. Geohegan, Shengxi Huang*, Mingda Li*

Nano Lett., 2021, 21 (17), 7419–7425

Frank-van der Merwe growth in bilayer graphene

Haozhe Wang, Zhenpeng Yao, Gang Seob Jung, Qichen Song, Marek Hempel, Tomas Palacios, Gang Chen, Markus J. Buehler, Alan Aspuru-Guzik, Jing Kong*

Matter, 2021, 4, 3339–3353

Intermediate-level doping strategy to simultaneously optimize power factor and phonon thermal conductivity for improving thermoelectric figure of merit

Wuyang Ren, Qichen Song, Hangtian Zhu, Jun Mao, Li You, Geethal Amila Gamage, Jiawei Zhou, Ting Zhou, Jing Jiang, Chao Wang, Jun Luo, Jiang Wu, Zhiming Wang*, Gang Chen*, Zhifeng Ren*

Materials Today Physics, 2020, 15, 100250

Bi-directional tuning of thermal transport in SrCoOₓ with electrochemically induced phase transitions

Qiyang Lu, Samuel Huberman, Hantao Zhang, Qichen Song, Jiayue Wang, Gulin Vardar, Adrian Hunt, Iradwikanari Waluyo, Gang Chen*, Bilge Yildiz*

Nat. Mater., 2020, 19, 655–662

Ultrahigh thermal conductivity in isotope-enriched cubic boron nitride

Ke Chen#, Bai Song#*, Navaneetha K. Ravichandran, Qiye Zheng, Xi Chen, Hwijong Lee, Haoran Sun, Sheng Li, Geethal Amila Gamage, Fei Tian, Zhiwei Ding, Qichen Song, Akash Rai, Hanlin Wu, Pawan Koirala, Aaron J. Schmidt, Kenji Watanabe, Bing Lv, Zhifeng Ren, Li Shi, David G. Cahill, Takashi Taniguchi, David Broido*, Gang Chen*

Science, 2020, 367, 555–559

Discovery of TaFeSb-based half-Heuslers with high thermoelectric performance

Hangtian Zhu, Jun Mao, Yuwei Li, Jifeng Sun, Yumei Wang, Qing Zhu, Guannan Li, Qichen Song, Jiawei Zhou, Yuhao Fu, Ran He, Tian Tong, Zihang Liu, Wuyang Ren, Li You, Zhiming Wang, Jun Luo, Andrei Sotnikov, Jiming Bao, Kornelius Nielsch, Gang Chen, David J. Singh*, Zhifeng Ren*

Nat. Commun., 2019, 10, 270

Electromagnetic and chemical enhancements of surface-enhanced Raman scattering spectra from Cu₂O hexagonal nanoplates

Chang Liu, Qichen Song, Jianan Chen, Xinhao Li, Jingxuan Cai, Zhouguang Lu, Wendi Li, Nicholas X. Fang*, Shien-Ping Feng*

Adv. Mater. Interfaces, 2019, 6, 1900534

Simultaneously high electron and hole mobilities in cubic boron-V compounds: BP, BAs and BSb

Te-Huan Liu, Bai Song, Laureen Meroueh, Zhiwei Ding, Qichen Song, Jiawei Zhou, Mingda Li, Gang Chen*

Phys. Rev. B, 2018, 98, 081203

Large thermoelectric power factor from crystal symmetry-protected non-bonding orbital in half-Heuslers

Jiawei Zhou, Hangtian Zhu, Te-Huan Liu, Qichen Song, Ran He, Jun Mao, Zihang Liu, Wuyang Ren, Bolin Liao, David J. Singh, Zhifeng Ren*, Gang Chen*

Nat. Commun., 2018, 9, 1721

Deep defect level engineering: a strategy of optimizing the carrier concentration for high thermoelectric performance

Qian Zhang*, Qichen Song, Xinyu Wang, Jingying Sun, Qing Zhu, Keshab Dahal, Xi Lin, Feng Cao, Jiawei Zhou, Shuo Chen, Gang Chen, Jun Mao*, Zhifeng Ren*

Energy Environ. Sci., 2018, 11, 933–940

Electron mean-free-path filtering in Dirac material for improved thermoelectric performance

Te-Huan Liu, Jiawei Zhou, Mingda Li, Zhiwei Ding, Qichen Song, Bolin Liao, Liang Fu, Gang Chen*

Proc. Natl. Acad. Sci., 2018, 115, 879–884

Dirac-electron-mediated magnetic proximity effect in topological insulator/magnetic insulator heterostructures

Mingda Li*, Qichen Song, Weiwei Zhao, Joseph A. Garlow, Te-Huan Liu, Lijun Wu, Yimei Zhu, Jagadeesh S. Moodera, Moses H. W. Chan, Gang Chen*, Cui-Zu Chang*

Phys. Rev. B, 2017, 96, 201301

Ab initio study of electron mean free paths and thermoelectric properties of lead telluride

Qichen Song, Te-Huan Liu, Jiawei Zhou, Zhiwei Ding, Gang Chen*

Materials Today Physics, 2017, 2, 69–77

Generalized two-temperature model for coupled phonons in nanosized graphene

Meng An#, Qichen Song#, Xiaoxiang Yu, Zelin Jin, Dengke Ma, Baoling Huang, Nuo Yang*

Nano Lett., 2017, 17 (9), 5805–5810

Tailoring superconductivity with quantum dislocations

Mingda Li*, Qichen Song, Te-Huan Liu, Laureen Meroueh, Gerald D. Mahan, Mildred S. Dresselhaus, Gang Chen*

Nano Lett., 2017, 17 (8), 4604–4610

The effect of shallow vs. deep level doping on the performance of thermoelectric materials

Qichen Song, Jiawei Zhou, Laureen Meroueh, David Broido, Zhifeng Ren, Gang Chen*

Appl. Phys. Lett., 2016, 109, 263902

The adjustable thermal resistor by reversibly folding a graphene sheet

Qichen Song#, Meng An#, Xiandong Chen, Zhan Peng, Jianfeng Zang, Nuo Yang*

Nanoscale, 2016, 8, 14943–14949