Frontier Synchrotron Infrared Spectroscopy

J. L. Musfeldt, Y. Gu, J. T. Haraldsen, K. Du, P. Yapa, J. Yang, D. G. Mandrus, S. -W. Cheong, Z. Liu, Giant tunability of superlattice excitations in chiral Cr1/3TaS2. NPJ Quantum Mater., 10(1), 27 (2025). [doi: 10.1038/s41535-025-00734-x]

Roma Ripani, Stephen A. Gramsch, Fatemeh Safari, Muhtar Ahart, Zhenxian Liu, Dana M. Dattelbaum, Russell J. Hemley, Vibrational Dynamics and Phase Transitions of Hydrazine to 50 GPa. ACS Omega, 10(8), 7999-8008 (2025). [doi: 10.1021/acsomega.4c09047]

High ImpactCited 2 timesJanice L. Musfeldt, Sobhit Singh, Kevin A. Smith, Xianghan Xu, Sang-Wook Cheong, Zhenxian Liu, David Vanderbilt, Karin M. Rabe, Pressure-Driven Polar Orthorhombic to Tetragonal Phase Transition in Hafnia at Room Temperature. Chem. Mater., 37(5), 1820-1825 (2025). [doi: 10.1021/acs.chemmater.4c02596]

Alexa Cabrera, Fatemah Safari, Ravhi Kumar, Haoran Zhu, Muhtar Ahart, Zhenxian Liu, Tom G. Driver, Russell J. Hemley, Synthesis, structure, and stability of a novel 2<em>H</em>-azirine under pressure. CrystEngComm, 27(9), 1248-1255 (2025). [doi: 10.1039/D4CE00937A]

High ImpactSicheng Wang, Peter E. VanNatta, Bin Wang, Zhenxian Liu, Abdullah M. Al‐Enizi, Ayman Nafady, Shengqian Ma, Hao Yan, Pressure‐Modulated Luminescence Enhancement and Quenching in a Hydrogen‐Bonded Organic Framework. Small, 21(11) (2025). [doi: 10.1002/SMLL.202411362]

High ImpactPeter E. VanNatta, Cynthia M. Archambault, Sicheng Wang, Tengteng Lyu, Jack D’Amelio, Noah J. Martell, Scott K. Watson, Kunyu Wang, Zhenxian Liu, Matthew T. Kieber-Emmons, Hao Yan, High pressure–derived nonsymmetrical [Cu ₂ O] ²⁺ core for room-temperature methane hydroxylation. Sci. Adv., 10(40) (2024). [doi: 10.1126/sciadv.adq3366]

Zachary L. Whipple, Roma R. Ripani, Janki Brahmbhatt, Muhtar Ahart, Nilesh P. Salke, Yue Meng, Zhenxian Liu, Stella Chariton, Stephen A. Gramsch, Santanu Chaudhuri, Emmanuele Parisi, Roberto Centore, Russell J. Hemley, Structure, Bonding, and Vibrational Dynamics of a Triamine High Energy Density Material under Pressure. J. Phys. Chem. C, 128(38), 16110-16119 (2024). [doi: 10.1021/acs.jpcc.4c03637]

Cited 1 timeAmanda J. Clune, Nathan C. Harms, Kevin A. Smith, Wei Tian, Zhenxian Liu, Janice L. Musfeldt, Pressure–Temperature–Magnetic Field Phase Diagram of Multiferroic (NH₄)₂FeCl₅·H₂O. Inorg. Chem., 63(24), 11021-11029 (2024). [doi: 10.1021/acs.inorgchem.4c00403]

Cited 3 timesNicholas S. Manganaro, Scott D. Ambos, Matthew DeCapua, Scott D. Thiel, Wyatt E. Mitchell, Zhenxian Liu, Dongzhou Zhang, Phuong Q. H. Nguyen, Barbara Lavina, Esen Ercan Alp, Jun Yan, James P. S. Walsh, High-Pressure Polymorphism in Silver Ferrite Delafossite, AgFeO₂. Inorg. Chem., 63(21), 9763-9770 (2024). [doi: 10.1021/acs.inorgchem.3c04631]

High ImpactCited 3 timesJ. L. Musfeldt, Sobhit Singh, Shiyu Fan, Yanhong Gu, Xianghan Xu, S.-W. Cheong, Z. Liu, David Vanderbilt, Karin M. Rabe, Structural phase purification of bulk HfO ₂ :Y through pressure cycling. Proc Natl Acad Sci USA, 121(5) (2024). [doi: 10.1073/pnas.2312571121]

Kevin Smith, Synchrotron infrared spectroscopy of domain walls and high pressure phases of multiferroics, Dissertation Thesis. Department of Chemistry, University of Tennessee, Knoxville (2023).

High ImpactCited 6 timesJiayi Li, Roc Matheu, Feng Ke, Zhenxian Liu, Yu Lin, Hemamala I. Karunadasa, Mosaic Cu^I−Cu^II−In^III2D Perovskites: Pressure‐Dependence of the Intervalence Charge Transfer and a Mechanochemical Alloying Method. Angew. Chem. Int. Ed., 62(20), e202300957 (2023). [doi: 10.1002/anie.202300957]

Jiayi Li, Roc Matheu, Feng Ke, Zhenxian Liu, Yu Lin, Hemamala I. Karunadasa, Mosaic Cu^I−Cu^II−In^III2D Perovskites: Pressure‐Dependence of the Intervalence Charge Transfer and a Mechanochemical Alloying Method. Angew. Chem., 135(20) (2023). [doi: 10.1002/ange.202300957]

Cited 3 timesJ. L. Musfeldt, D. G. Mandrus, Z. Liu, Insulator–metal transition in CrSiTe3 triggered by structural distortion under pressure. npj 2D Mater Appl, 7(1), 28 (2023). [doi: 10.1038/s41699-023-00389-x]

Cited 1 timeOlivia S. Pardo, Vasilije V. Dobrosavljevic, Tyler Perez, Wolfgang Sturhahn, Zhenxian Liu, George R. Rossman, Jennifer M. Jackson, X-ray diffraction reveals two structural transitions in szomolnokite. Am. Mineral., 108(3), 476-484 (2023). [doi: 10.2138/am-2022-8147]

Janice L. Musfeldt, Zhenxian Liu, Diego López-Alcalá, Yan Duan, Alejandro Gaita-Ariño, José J. Baldoví, Eugenio Coronado, Vibronic Relaxation Pathways in Molecular Spin Qubit Na9[Ho(W5O18)2]·35H2O under Pressure. Magnetochemistry, 9(2), 53 (2023). [doi: 10.3390/magnetochemistry9020053]

Cited 8 timesHanjun Yang, Wenwu Shi, Yasutaka Nagaoka, Zhenxian Liu, Ruipeng Li, Ou Chen, Access and Capture of Layered Double Perovskite Polytypic Phase through High-Pressure Engineering. J. Phys. Chem. C, 127(5), 2407-2415 (2023). [doi: 10.1021/acs.jpcc.2c07970]

Cited 5 timesZhou Lu, Cynthia M. Archambault, Shan Li, Umar Syed, Sicheng Wang, Abinaya Kumar, Guoyin Shen, Zhenxian Liu, Mohammad A. Omary, Hao Yan, Modulating the Extent of Anisotropic Cuprophilicity via High Pressure with Piezochromic Luminescence Sensitization. J. Phys. Chem. Lett., 14(2), 508-515 (2023). [doi: 10.1021/acs.jpclett.2c03284]

High ImpactCited 24 timesNathan R. Wolf, Adam Jaffe, Adam H. Slavney, Wendy L. Mao, Linn Leppert, Hemamala I. Karunadasa, Tuning Defects in a Halide Double Perovskite with Pressure. J. Am. Chem. Soc., 144(45), 20763-20772 (2022). [doi: 10.1021/jacs.2c08607]

Ricarda Laasch, Zhenxian Liu, Lu Ma, Sarah Nicholas, Paul Northrup, Juergen Thieme, Matthew L. Whitaker, From Outer Space to the Center of the Earth: How NSLS-II Capabilities Enable Geoscience Studies. Synch. Rad. News, 35(6), 2-7 (2022). [doi: 10.1080/08940886.2022.2156752]

Cited 11 timesJiajia Feng, Cong Li, Wen Deng, Bencheng Lin, Wenhui Liu, Resta A. Susilo, Hongliang Dong, Zhiqiang Chen, Nan Zhou, Xiaolei Yi, Xiangzhuo Xing, Feng Ke, Zhenxian Liu, Hongwei Sheng, Zhixiang Shi, Bin Chen, Superconductivity Induced by Lifshitz Transition in Pristine SnS₂ under High Pressure. J. Phys. Chem. Lett., 9404-9410 (2022). [doi: 10.1021/acs.jpclett.2c02580]

Nathan Harms, Driving piezochromism and metallicity in van der Waals materials under compression , Dissertation Thesis. University of Tennessee, Knoxville (2022).

Cited 5 timesNathan C. Harms, Kevin A. Smith, Amanda V. Haglund, David G. Mandrus, Zhenxian Liu, Heung-Sik Kim, Janice L. Musfeldt, Metal Site Substitution and Role of the Dimer on Symmetry Breaking in FePS₃ and CrPS₄ under Pressure. ACS Appl. Electron. Mater., 4(7), 3246-3255 (2022). [doi: 10.1021/acsaelm.2c00563]

Cited 9 timesNathan C. Harms, Takahiro Matsuoka, Subhasis Samanta, Amanda J. Clune, Kevin A. Smith, Amanda V. Haglund, Erxi Feng, Huibo Cao, Jesse S. Smith, David G. Mandrus, Heung-Sik Kim, Zhenxian Liu, Janice L. Musfeldt, Symmetry progression and possible polar metallicity in NiPS3 under pressure. npj 2D Mater Appl, 6(1), 40 (2022). [doi: 10.1038/s41699-022-00313-9]

High ImpactCited 11 timesRoc Matheu, Feng Ke, Aaron Breidenbach, Nathan R. Wolf, Young Lee, Zhenxian Liu, Linn Leppert, Yu Lin, Hemamala I. Karunadasa, Charge Reservoirs in an Expanded Halide Perovskite Analog: Enhancing High‐Pressure Conductivity through Redox‐Active Molecules. Angew. Chem. Int. Ed., 61(25) (2022). [doi: 10.1002/anie.202202911]

Amanda Clune, Using applied fifield, pressure, and light to control magnetic states of materials University of Tennessee, Knoxville (2021).

Cited 6 timesK. A. Smith, S. P. Ramkumar, N. C. Harms, A. J. Clune, S.-W. Cheong, Z. Liu, E. A. Nowadnick, J. L. Musfeldt, Pressure-induced phase transition and phonon softening in h−Lu0.6Sc0.4FeO3. Phys. Rev. B, 104(9), 094109 (2021). [doi: 10.1103/PhysRevB.104.094109]

Cited 12 timesK. A. Smith, S. P. Ramkumar, N. C. Harms, A. J. Clune, X. Xu, S.-W. Cheong, Z. Liu, E. A. Nowadnick, J. L. Musfeldt, Revealing pressure-driven structural transitions in the hybrid improper ferroelectric Sr3Sn2O7. Phys. Rev. B, 104(6), 064106 (2021). [doi: 10.1103/PhysRevB.104.064106]

High ImpactCited 27 timesSizhan Liu, Alexander R. DeFilippo, Mahalingam Balasubramanian, Zhenxian Liu, SuYin Grass Wang, Yu‐Sheng Chen, Stella Chariton, Vitali Prakapenka, Xiangpeng Luo, Liuyan Zhao, Jovan San Martin, Yixiong Lin, Yong Yan, Sanjit K. Ghose, Trevor A. Tyson, High‐Resolution In‐Situ Synchrotron X‐Ray Studies of Inorganic Perovskite CsPbBr 3 : New Symmetry Assignments and Structural Phase Transitions. Adv. Sci., 8(18), 2003046 (2021). [doi: 10.1002/advs.202003046]

High ImpactCited 13 timesTaehyun Kim, Stella Chariton, Vitali Prakapenka, Anna Pakhomova, Hanns-Peter Liermann, Zhenxian Liu, Sergio Speziale, Sang-Heon Shim, Yongjae Lee, Atomic-scale mixing between MgO and H2O in the deep interiors of water-rich planets. Nat Astron, 5(8), 815-821 (2021). [doi: 10.1038/s41550-021-01368-2]

High ImpactCited 8 timesJing Gao, Xueyin Yuan, Bin Chen, Zhenxian Liu, Wen Su, High-pressure phase transformation of carbonate malachite Cu2(CO3)(OH)2 driven by [CuO6] regularization and [CO3] rotation. Geosci. Frontiers, 12(2), 965-973 (2021). [doi: 10.1016/j.gsf.2020.07.006]

Cited 19 timesT. N. Stanislavchuk, G. L. Pascut, A. P. Litvinchuk, Z. Liu, Sungkyun Choi, M. J. Gutmann, B. Gao, K. Haule, V. Kiryukhin, S.-W. Cheong, A. A. Sirenko, Spectroscopic and first principle DFT+eDMFT study of complex structural, electronic, and vibrational properties of M2Mo3O8 ( M=Fe , Mn) polar magnets. Phys. Rev. B, 102(11), 115139 (2020). [doi: 10.1103/PhysRevB.102.115139]

High ImpactCited 5 timesRyan A. Klein, James P. S. Walsh, Samantha M. Clarke, Zhenxian Liu, E. Ercan Alp, Wenli Bi, Yue Meng, Alison B. Altman, Paul Chow, Yuming Xiao, M. R. Norman, James M. Rondinelli, Steven D. Jacobsen, Danilo Puggioni, Danna E. Freedman, Pressure-Induced Collapse of Magnetic Order in Jarosite. Phys. Rev. Lett., 125(7), 077202 (2020). [doi: 10.1103/PhysRevLett.125.077202]

Cited 33 timesNathan C. Harms, Heung-Sik Kim, Amanda J. Clune, Kevin A. Smith, Kenneth R. O’Neal, Amanda V. Haglund, David G. Mandrus, Zhenxian Liu, Kristjan Haule, David Vanderbilt, Janice L. Musfeldt, Piezochromism in the magnetic chalcogenide MnPS3. NPJ Quantum Mater., 5(1), 56 (2020). [doi: 10.1038/s41535-020-00259-5]

High ImpactCited 54 timesFeng Ke, Lingkong Zhang, Yabin Chen, Ketao Yin, Chenxu Wang, Yan-Kai Tzeng, Yu Lin, Hongliang Dong, Zhenxian Liu, John S. Tse, Wendy L. Mao, Junqiao Wu, Bin Chen, Synthesis of Atomically Thin Hexagonal Diamond with Compression. Nano Lett., 20(8), 5916-5921 (2020). [doi: 10.1021/acs.nanolett.0c01872]

Cited 15 timesAmanda Clune, Nathan Harms, Kenneth R. O’Neal, Kendall Hughey, Kevin A. Smith, Dimuthu Obeysekera, John Haddock, Naresh S. Dalal, Junjie Yang, Zhenxian Liu, Janice L. Musfeldt, Developing the Pressure–Temperature–Magnetic Field Phase Diagram of Multiferroic [(CH3)2NH2]Mn(HCOO)3. Inorg. Chem., 59(14), 10083-10090 (2020). [doi: 10.1021/acs.inorgchem.0c01225]

Cited 14 timesQ. Chen, A. Verrier, D. Ziat, A. J. Clune, R. Rouane, X. Bazier-Matte, G. Wang, S. Calder, K. M. Taddei, C. R. dela Cruz, A. I. Kolesnikov, J. Ma, J.-G. Cheng, Z. Liu, J. A. Quilliam, J. L. Musfeldt, H. D. Zhou, A. A. Aczel, Realization of the orbital-selective Mott state at the molecular level in Ba3LaRu2O9. Phys. Rev. Mater., 4(6), 064409 (2020). [doi: 10.1103/PhysRevMaterials.4.064409]

Cited 10 timesNancy L. Ross, Theresa A. Detrie, Zhenxian Liu, High-Pressure Raman and Infrared Spectroscopic Study of Prehnite. Minerals, 10(4), 312 (2020). [doi: 10.3390/min10040312]

High ImpactCited 47 timesCarole Nisr, Huawei Chen, Kurt Leinenweber, Andrew Chizmeshya, Vitali B. Prakapenka, Clemens Prescher, Sergey N. Tkachev, Yue Meng, Zhenxian Liu, Sang-Heon Shim, Large H2O solubility in dense silica and its implications for the interiors of water-rich planets. Proc Natl Acad Sci USA, 117(18), 9747-9754 (2020). [doi: 10.1073/pnas.1917448117]

Cited 11 timesHuijeong Hwang, Jinhyuk Choi, Zhenxian Liu, Duck-Young Kim, Yu He, Aaron J. Celestian, Thomas Vogt, Yongjae Lee, Pressure-Induced Hydration and Formation of Bilayer Ice in Nacrite, a Kaolin-Group Clay. ACS Earth Space Chem., 4(2), 183-188 (2020). [doi: 10.1021/acsearthspacechem.9b00255]

Cited 10 timesKendall D. Hughey, Nathan C. Harms, Kenneth R. O’Neal, Amanda J. Clune, Jeffrey C. Monroe, Avery L. Blockmon, Christopher P. Landee, Zhenxian Liu, Mykhaylo Ozerov, Janice L. Musfeldt, Spin–Lattice Coupling Across the Magnetic Quantum-Phase Transition in Copper-Containing Coordination Polymers. Inorg. Chem., 59(4), 2127-2135 (2020). [doi: 10.1021/acs.inorgchem.9b02394]

High ImpactCited 34 timesAdam Jaffe, Stephanie A. Mack, Yu Lin, Wendy L. Mao, Jeffrey B. Neaton, Hemamala I. Karunadasa, High Compression‐Induced Conductivity in a Layered Cu–Br Perovskite. Angew. Chem. Int. Ed., 59(10), 4017-4022 (2020). [doi: 10.1002/anie.201912575]

Cited 10 timesH Zhu, T Cai, X Wang, Y Nagaoka, J Zhao, Z Liu, R Li, O Chen, Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites. ACS Appl. Nanomater., 2, 6804−6808 (2019). [doi: 10.1021/acsanm.9b01860]

High ImpactCited 19 timesF Zhu, J Li, J Liu, J Dong, Z Liu, Metallic iron limits silicate hydration in Earth’s transition zone. Proc Natl Acad Sci USA, 116(45), 22526-22530 (2019). [doi: 10.1073/pnas.1908716116]

High ImpactCited 15 timesQ Wang, H Gou, L Zhu, H Huang, A Biswas, B Chaloux, A Epshteyn, J Yesinowski, Z Liu, G Cody, Modifying Carbon Nitride through Extreme Phosphorus Substitution. ACS Materials Letters, 1, 14-19 (2019). [doi: 10.1021/acsmaterialslett.9b00010]

High ImpactCited 62 timesF Ke, Y Chen, K Yin, J Yan, H Zhang, Z Liu, J Tse, J Wu, H Mao, B Chen, Large bandgap of pressurized trilayer graphene. Proc Natl Acad Sci USA, 116(19), 9186-9190 (2019). [doi: 10.1073/pnas.1820890116]

Cited 4 timesS Arveson, Y Meng, J Lee, K Lee, High-pressure melting curve of sulfur up to 65 GPa. Phys. Rev. B Condens. Matter Mater. Phys., 100, 054106 (2019). [doi: 10.1103/PhysRevB.100.054106]

Cited 16 timesJ Zhang, D Yan, S Yesudhas, H Deng, H Xiao, B Chen, R Sereika, X Yin, C Yi, Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure. NPJ Quantum Mater., 4, 23 (2019). [doi: 10.1038/s41535-019-0162-3]

Cited 13 timesS Liu, H Zhang, S Ghose, M Balasubramanian, Z Liu, S Wang, Y Chen, B Gao, M Croft, Nature of the structural symmetries associated with hybrid improper ferroelectricity in C a 3 X 2 O 7 ( X = Mn and Ti ). Phys. Rev. B Condens. Matter Mater. Phys., 99, 224105 (2019). [doi: 10.1103/PhysRevB.99.224105]

Cited 5 timesK O'Neal, A Clune, N Harms, S Cheong, J Yang, Z Liu, T Birol, J Musfeldt, High-pressure spectroscopic investigation of multiferroic Ni3TeO6. Phys. Rev. B Condens. Matter Mater. Phys., 98, 184101 (2018). [doi: 10.1103/PhysRevB.98.184101]

High ImpactCited 150 timesG Liu, J Gong, L Kong, R Schaller, Q Hu, Z Liu, S Yan, W Yang, C Stoumpos, Isothermal pressure-derived metastable states in 2D hybrid perovskites showing enduring bandgap narrowing. Proc Natl Acad Sci USA, 115(32), 8076-8081 (2018). [doi: 10.1073/pnas.1809167115]

High ImpactCited 68 timesP Duan, X Li, T Wang, B Chen, S Juhl, D Koeplinger, V Crespi, J Badding, K Schmidt-Rohr, The Chemical Structure of Carbon Nanothreads Analyzed by Advanced Solid-State NMR. J. Am. Chem. Soc., 140(24), 7658-7666 (2018). [doi: 10.1021/jacs.8b03733]

Cited 7 timesS Arveson, B Kiefer, J Deng, Z Liu, K Lee, Thermally induced coloration of KBr at high pressures. Phys. Rev. B Condens. Matter Mater. Phys., 97, 094103 (2018). [doi: 10.1103/PhysRevB.97.094103]

Cited 6 timesK O'Neal, J Lee, M Kim, J Manson, Z Liu, R Fishman, J Musfeldt, Competing magnetostructural phases in a semiclassical system. NPJ Quantum Mater., 2(65), 1-7 (2017). [doi: 10.1038/s41535-017-0065-0]

High ImpactCited 50 timesH Hwang, D Seoung, Y Lee, Z Liu, H Liermann, H Cynn, T Vogt, C Kao, H Mao, A role for subducted super-hydrated kaolinite in Earth’s deep water cycle. Nature Geosci., 10, 947-953 (2017). [doi: 10.1038/s41561-017-0008-1]

High ImpactCited 104 timesG Liu, L Kong, P Guo, C Stoumpos, Q Hu, Z Liu, Z Cai, D Gosztola, H Mao, Two Regimes of Bandgap Red Shift and Partial Ambient Retention in Pressure-Treated Two- Dimensional Perovskites. ACS Energy Lett., 2, 2518−2524 (2017). [doi: 10.1021/acsenergylett.7b00807]

High ImpactCited 57 timesH Zhang, H Liu, K Wei, O Kurakevych, Y Le Godec, Z Liu, J Martin, M Guerrette, G Nolas, T Strobel, BC8 Silicon (Si-III) is a Narrow-Gap Semiconductor. Phys. Rev. Lett., 118, 146601 (2017). [doi: 10.1103/PhysRevLett.118.146601]

High ImpactCited 170 timesA Jaffe, Y Lin, W Mao, H Karunadasa, Pressure-Induced Metallization of the Halide Perovskite (CH3NH3)PbI3. J. Am. Chem. Soc., 139(12), 4330-4333 (2017). [doi: 10.1021/jacs.7b01162]

High ImpactCited 175 timesG Liu, L Kong, J Gong, W Yang, H Mao, Q Hu, Z Liu, R Schaller, D Zhang, T Xu, Pressure-Induced Bandgap Optimization in Lead-Based Perovskites with Prolonged Carrier Lifetime and Ambient Retainability. Adv. Func. Mater., 27(3), 1604208 (2017). [doi: 10.1002/adfm.201604208]