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Collaborative Research for Earth and Applied Materials (CREAM)

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100, 09/15/2022, Article "Hydrous SiO2 in subducted oceanic crust and H2O transport to the core-mantle boundary" was published by Earth and Planetary Science Letters.

Dr. Yanhao Lin and the team quantify the water content of stishovite and post-stishovite phases at the conditions up to Earth's core mantle boundary. The results imply silica is a promising water carrier to such extreme conditions.

Lin, Y.*, Hu, Q.*, Walter, M.J.*, Yang, J., Meng, Y., Feng, X., Zhuang, Y., Cohen, R.E. and Mao, H.-K.* E, Earth Planet. Sci. Lett. 594, 117708 (2022)

99, 08/31/2022, Ms. Xuyan Cao joined the group of CREAM. She is pursuing Ph.D. degree at HPSTAR. Welcome, Xuyan!

98, 08/31/2022, Dr. Linfei Yang accept a professorship position at West Anhui University. Congratulations!

97, 08/09/2022, Co-authored paper "Nested order-disorder framework containing a crystalline matrix with self-filled amorphous-like innards" was published by Nature Communications.
Kejun Bu and Dr. Xujie Lü led research to unveil a novel type of condensed solid in which order and disordered frameworks can co-exist.

Bu, K., Hu, Q., et al., Xujie Lü, Nat. Commun. 13, 1-9 (2022).

96, 07/21/2022, Qingyang shared his research with students at the HPSTAR 2022 summer camp.

95, 07/20/2022, Qingyang received the GRC Van Valkenburg Award and gave a talk at the Gorden Research Conference. The title of the talk is "Chemistry, transport property and architecture of dense water-bearing phases".

94, 07/14/2022, Qingyang gave a talk at the Goldschmidt 2022. The title of the talk is "Electrical conductivity of dense hydrous FeOOH and FeO2Hx".

93, 07/01/2022, Qingyang visit Dr. Qiang Zhu, Dr. Shi-chun Sun and Dr. Oliver Tschauner at the University of Nervada at Las Vegas.

92, 06/09/2022, Co-authored paper "Piezochromic luminescence of dicoronylene: Key for revealing hidden Raman modes at high pressure" was published by Carbon
Dr. Takeshi Nakagawa led the research to reveal the pressure effects on the optical propertie of dicoronylene.

Nakagawa, T.*, et al., Hu, Q., Ding, Y.*, and Mao, H.-K., Carbon 197, 563-569 (2022).

91, 06/06/2022, Article "Tracing the Anharmonicity and Superionic Phase Transition of Hydrous FeO₂H" was published by Frontiers in Earth Science

It is possible to detect the ordered-crystal to superionic state phase transition by NMR spectroscopy. In this work, we conduct first-principles calculation to test the power of NMR in this implication.
Hu, Q.* and Tang, M. Front. Earth Sci. 10, 913122 (2022).

90, 06/02/2022, Article "The evolution of electrical conductivity and semiconductor to metal transition of iron oxides at extreme conditions" was published by Chinese Physics B

This paper reviews latest research on the electric conductivity of iron oxides under high-pressure-temperature conditions.
Zhuang, Y. and Hu, Q.*,  Chin. Phys. B 31, 089101 (2022).

89, 04/23/2022, Qingyang gave an online presentation for the State Key Laboratory of Superhard Materials, Jilin University.

The title of the presentation is "Hydrous materials under extreme conditions".

88, 04/15/2022, Co-authored paper "High pressure-temperature phase relations of basaltic crust up to mid-mantle conditions" was published by Earth and Planetary Science Letters
Dr. Takayuki Ishii, the group leader, study the composition and phases of basaltic crust to the P-T conditions of Earth's mid-mantle. The results will be a benchmark to access MORB compositions in the lower mantle.

Ishii, T.*, Miyajima, N., Criniti, G., Hu, Q., Glazyrin, K. and Katsura T.,  Earth Planet. Sci. Lett. 584, 117472 (2022).

87, 04/14/2022, Article "Topological ordering of memory glass on extended length scales" was published by Journal of the American Chemical Society

We found a hidden long-range topological orderings in compressed AlPO₄. Such long-range orderings may exist in a variety of pressure-induced amorphzied materials.
Zhu, S.*, Gu, W., Zhang D., Xu, L., Liu Z.-P., Mao, H-k., and Hu, Q.*,  J. Am. Chem. Soc. 144, 7414-7421 (2022).

86, 04/01/2022, Article "Mid-mantle water transportation implied by the electrical and seismic ε-FeOOH" was published by Science Bulletin

Dr. Yukai Zhung traces the electricl and seismic properties of ε-FeOOH and finds this materials can explain the heterogenuous scatterers in the mid-lower mantle. This work will be publised in the middle of 2022.
Zhuang Y.; Gan B.; Cui, Z.; Tang, R.; Tao, R.; Hou, M.; Jiang G.; Popescu C.; Garbarino G.; Zhang, Y.* and Hu, Q.* Sci. Bull. 2022.

85, 02/21/2022, Article "Medium-range structure motifs of complex iron oxides" was published by Journal of Applied Physics.

In this review article, we summarize the arrangment and organization of Fe-O polyhedra that build complex iron oxides under high-pressure conditions. The same structural motifs can be used to predict other iron oxides and their possible properties.
Huang, S. and Hu, Q.* J. Appl. Phys. 131, 070902 (2022).

84, 02/01/2022, Article "High temperature melting curve of basaltic glass by laser flash heating" was published by Chinese Physical Letters.

Yukai Zhuang, former CREAM member now an associate professor at Sichuan University, introduced the laser-heating system available at CREAM, HPSTAR. Using a basalt glass sample, the system successfully measures the melting temperature of the MORB composition under high pressure.
Zhuang, Y.; Li. J.; Lu, W.; Yang X.; Du, Z.*; and Hu, Q.* Chin. Phys. Lett. 39, 020701 (2022).

83. 01/15/2022, Article "Freeze-thaw controlled aggregation mechanism of humic acid-coated goethite: Implications for organic carbon preservation. " was published by Geoderma.

Sensen Wu synthesized and characterizd a goethite-humic acid aggregate using freeze-thaw. This is also Sensen's Ph.D. thesis at GYIG.
Wu, S.; Liu, C., Li, X., Xiao, B.* and Hu, Q.* Geoderma, 406, 115514 (2022).

82, 12/21/2021, Qingyang presented at the 10^th Asian Conference on High Pressure Research (ACHPR-10).
Qingyang gave an invited talk at ACHPR-10. The title of the talk is "Electrical Conductivity of Hydrous FeOOH and FeO₂H_x", which highlight Yukai's submitted work on the electrical conductivity of FeOOH and Mingqiang/Yu's superionic FeOOH paper.

81, 11/24/2021, Article "Ultrasound elasticity of diamond at gigapascal pressures" was published by Proceedings of the National Academy Sciences of the USA.

This article demostrats that the hardest known natural mineral, diamond, can be used to establish a robust primary pressure scale as long as it keeps a well-defined covalent-bonded solid. We conducted ultrasonic interferometry experiment up to 12 GPa to examine and have validated this method.
Hu, Q.; Li, B., Gao, X.; Bi, Y; Su L., and Mao, H.-k..* Proc. Nat. Acad. Sci. U.S.A., 118, e2118490118 (2021)

80, 11/23/2021, Sensen Wu passed Ph.D. thesis defense at GYIG. Congratulations, Dr. Wu!

79. 11/03/2021, Two papers were published by Matter and Radiatiation at Extremes. 

The first article discussed a historic problem in coorelating the bulk modulus and the vibration frequency of diamond. The validity of theory was verified up to 1 terapascal. The second work is a perspective letter to look into the problem of superionic phase in Earth's deep interiors. The large-scale impact of diffusive hydrogen in dense minerals are discussed.
Q. Hu and Mao. H.-K. Matter Radit. Extreme. 6, 068403 (2021).
Q. Hu and Mao. H.-K. Matter Radit. Extreme. 6, 068101 (2021).

78, 10/28/2021, Qingyang gave a talk at ALBA-II workshop.
Qingyang was invited to give an online presentation at ALBA-II workshop, Spain. The title of the talk is "The storage, chemistry and transportation of water in Earth´s deep lower mantle".

77, 09/13/2021, Qingyang gave a public talk on CC forum. The link can be found here.

76. 09/02/2021, Article "Phase transition mechanism and bandgap engineering of Sb₂S₃ at gigapascal pressures" was published by Communcations Chemistry.

Zhongxun Cui led a research on the high-pressure phase transition in Sb₂S₃ and the team, mainly from HPSTAR, found a 2D-3D structural collapse under high pressure. Zhongxun is now a graduate at Imperial College London, UK.
Cui, Z., Bu, K., Zhuang, Y., Donnelly M.-E., Zhang, D., Dalladay-Simpson P., Howie, R., Zhang, J., Lü, X., and Hu, Q.* Commun. Chem., 4, 125 (2021).

75, 08/26/2021, Co-authored paper "Unraveling the structural transition mechanism of room-temperature compressed graphite carbon" was published by Physical Chemistry Chemical Physics.
The work is led by Shengcai Zhu from Sun-Yet Sen University and the team uncovered the transition mechanism of cold compressed graphite.

74, 08/01/2021, Qingyang shared his group's recent progress on the phase transition of FeOOH at the Xplorer's 50^2 meeting in Shenzhen. 

73, 07/12/2021, Qingyang is one of the 3 winners of the MRE Young Scientist Award.
The award is for Qingyang's contibution in understading hydrogen behaviors in superionic hydrous phases. Details can be found here. 

72, 07/10/2021, Qingyang participated the sixth geoinformation science conference in Shanghai and gave a talk on deep water. 

71, 07/03/2021, Linfei and Junwei attended the From Atom to Earth conference of Earth and planetary sciences in Guiyang, held by GYIG, CAS. Linfei has a poster on the pressure-induced trasition in sulfate.

70. 06/10/2021, Article "Metallization of Quantum Material GaTa₄Se₈ at High Pressure" was published by the Journal of Physical Chemistry Letters.

Collaborator team led by Hongshan Deng and Yang Ding studied the Mott-type phase transition and proceeded metallization in quantum material GaTa₄Se₈. 
Deng, et al.,J. Phys. Chem. Lett. 12, 5601-5607 (2021).

69, 05/25/2021, Shanghai HPSTAR was interviewed by《知识分子》. News can be found here. 

68, 05/20/2021, Qingyang visited Institution of Geology and Geophysics, CAS and attndeded a colloquium.
The colloquium was organizd by Dr. Zhigang Zhang. We discussd water in Earth's surfce and its deep interiors.

67, 05/14/2021, Dr. Shenghua Mei from Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, visited HPSTAR through invitation.
Dr. Mei gave a seminar presentation with title "Experiment study on mantle rheology". He also talked with HPSTAR PIs on site.

66, 05/13/2021, Dr. Shengwen Tang from Wuhan University visited HPSTAR and CREAM through invitation.
Dr. Tang is a professor on film metal and ceramics. He gave an excellent seminar and had internal discussion with us on the synthesis of hydrous calcium silicate thin films. We agreed to develop futher collaboration in the near future.

65, 04/29/2021, Dr. Yukai Zhuang, also HPSTAR alumina, came as a visiting scholar for a month at HPSTAR.

64. 04/28/2021, Qingyang visited the International Center for Computational Method and Software, Jilin Univerity.

63. 04/27/2021, The 2021 EGU general assemly is onllne this year and Qingyang gave a talk with title "Solid to superionic phase transition in FeOOH" .

62. 04/22/2021, On the way back from Zhuhai, Qingyang was at Fujian Institute of Research on the Structure of Matter, CAS and met with staffs to establish collaboration between chemistry, materials science and high-pressure sciences.

61. 04/19/2021, Qingyang gave an invited talk at the CCS annul meeting, Zhuhai, Guangdong. The title of the talk is "Fe-O-H chemistry under high pressure".

60. 04/08/2021, Special issue "Key Problems of the Deep Earth" was published by National Science Review.
In this collection, 12 authors from 5 countries and 7 afilliations contributes their cutting edge knowledge to the community. This include articles"Mineralogy of the deep lower mantle in the presence of H2O" and "Evidence for oxygenation of Fe-Mg oxides at mid-mantle conditions and the rise of deep oxygen" led by HPSTAR. Natl Sci. Rev. 8 issue 4 (2021).

59. 03/15/2021, Article "Superionic iron oxide-hydroxide in Earth’s deep mantle" was published by Nature Geoscience.
This work is a continuion of project "Deep mantle chemistry". The dense hydrous phase FeO₂H_x will enter an exotic superionic phase under high temperature. 
Hou. M., He, Y., Jang, B.G., Sun, S., Zhuang, Y., Deng, L., Tang, R., Chen, J., Ke, F., Meng, Y., Prakapenka, V.B., Chen, B., Shim, J.H., Liu, J*., Kim, D.K.*, Hu, Q.*, Pickard, C.J., Needs, R.J., Mao, H.-K., Nat. Geosci. 14, 171-178 (2021).

58. 01/19/2021, Article "Enhanced Photocurrent of All-Inorganic Two-Dimensional Perovskite Cs₂PbI₂Cl₂ via Pressure-Regulated Excitonic Features" was published by Journal of the American Chemistry Society.
Collaborator team led by Songtao Guo and Xujie Lv found pressurization will substanially enhanced the photocurrent in Cs₂PbI₂Cl₂. 
Songhao Guo, Kejun Bu, Jiangwei Li, Qingyang Hu, Hui Luo, Yihui He, Yanhui Wu, Dongzhou Zhang, Yongsheng Zhao, Wenge Yang, Mercouri G Kanatzidis, Xujie Lü, J. Am. Chem. Soc. 143, 2545-4551 (2021).

57. 12/05/2020, Qingyang gave an invited talk at 2020 American Geophysics Union annual conference (online)

The title of the talk is "Interaction between water and ferropericlase in Earth’s lower mantle".

56. 12/04/2020, Article "Suppressed lattice disorder for large emission enhancement and structural robustness in hybrid lead iodide perovskite discovered by high-pressure isotope effect" was published by Advanced Functional Materials.
Collaborator team led by Linping Kong and Gang Liu studied the isotopic effects on the functionalities of MAPbI3-based solar cells. Heaviers isotope doping can enhance the mechanical stability and significantly improve solar energy efficient. 
Kong, L., Gong, J., Hu, Q., et al., Adv. Funct. Mater. 2009131 (2020).

55. 11/30/2020, Article "Regulating off-centering distortion maximizes photoluminescence in halide perovskites" was published by National Science Review.
Xujie Lü and team established a relation between the inorganic block and photon emission efficiecy in halide perovskite solar-cell materials. The results may help to find the optimal crystal structure for solar cell instrudty. 
Lü, X., Stoumpos, C., Hu, Q., et al., Natl. Sci. Rev. 8, nwaa288 (2021).

54. 11/15/2020, Qingyang received the 2020 XPLORER Prize for his contribution in deep mantle superoxides.

53. 10/14/2020, Qingyang was at the Institution of Physics CAS - HPSTAR collaborative symposium in Huairou，Beijing.
The conference foces on high-pressure technology and multiple implications of high-pressure sciences. Qingyang introduced recent progress in projects of high-pressure mineral physics.

52. 10/14/2020, Dr. Yukai Zhuang attended CGU annual meeting 2020 in Chongqing.
CGU stands for Chinese Geophysics Union. Yukai delivered an oral presentation on the structural and electronic transition of e-FeOOH under high pressure.

51. 09/25/2020, Qingyang gave a talk at Forum for Physics Frontiers held by Jilin University.
Qingyang attended the seminar and gave a talk on the topic of deep lower mantle mineral physics.

50. 09/10/2020, Sensen Wu joined CREAM for his Ph.D. thesis.
Junwei was Ph.D. candidate at Guiyang Institution of Geochemistry, CAS. His will collaborate with us on his Ph.D. thesis.

49. 09/07/2020, Qingyang attended EHPRG 2020 in Tenerife, Spain.
EHPRG stands for European High Pressure Research Group Meeting on High Pressure Science and Technology. During the meeting, Qingyang gave a talk under the title "Reservoirs and behavior of hydrogen in Earth’s lower mantle".

48. 09/06/2020, Junwei Li joined CREAM as a Ph.D. student.
Junwei was a lab manager at South China Sea Institute of Oceanology, CAS. His major is Materials Science and Engineering. He will work on projects related to hydrous minerals under high-pressure.

47. 09/04/2020, Article "Structure and stability of iron fluoride at high pressure–temperature and implication for a new reservoir of fluorine in the deep Earth" was published by Minerals.
Our team found a new high-pressure phase of FeF₃ that suggests possible fluorine reservoirs in Earth's lower mantle. Lin, Y., Hu, Q., Zhu, L., and Meng, Y., Minerals. 10, 783 (2020).

46. 09/01/2020, Article "Reaching 90% photoluminescence quantum yield in one-dimensional metal halide C₄N₂H₁₄PbBr₄ by pressure-suppressed nonradiative loss" was published by J. Am. Chem. Soc.
Collaborator team led by Xujie Lü discovered high photoluminescence quantum efficiency in one-dimensional metal halide. 
Y., Guo, S., Luo, H., Zhou, C., Lin, H., Ma, X., Hu, Q., Du, M.-H., Ma, B., Yang, W. and Lü, X., J. Am. Chem. Soc. 142, 16001-16006 (2020).

45. 08/26/2020, Qingyang gave a seminar at Sichuan University.
Qingyang visited the high-pressure physics lab in Sichuan University and joined the seminar with students. The seminar discussed recent progress in mineral physics and chemistry in Earth's low mantle.

44. 08/14/2020, Qingyang was at COMPRES annual meeting.
Qingyang gave a brief talk online under the title "Metallic hydrous phase with implication to mantle electrical heterogeneity".

43. 07/14/2020, Article "Highly tunable properties in pressure-treated two-dimensional Dion–Jacobson perovskites" was published by Proceedings of the National Academy Sciences of the USA.
Collaborator Lingping Kong a 2D perosvkite for the application of solar cell materials. 
Kong, L., Liu, G., Gong, J., Mao, L., Chen, M., Hu, Q., Lü, X., Yang, W., Kanatzidis, M.G. and Mao, H.-K. Proc. Nat. Acad. Sci. 117, 16121-16126 (2020).

42. 06/12/2020, Qingyang attended the colloquium "Oxygen fugacity in subduction slabs".
The colloquium is organized by HPSTAR's Renbiao Tao and is composed of 13 online talks from 12 institutes. Video and summary of the colloquium can be found here.

41. 05/10/2020, Article "Potential Interaction of Noble Gas Atoms and Anionic Electrons in Ca₂N" was published by Journal of Physical Chemistry C.
Qin Qin et al. investigated the interactions between noble gas and electrides under pressure. Electrides, though has large empty interstices, is reluctant to accept inert gas atoms. 
Qin, Q., Wan, B; Yan, B., Gao, B., Hu, Q., Zhang, D., Hosono, H. and Gou, H. J. Phys. Chem. C 124, 12213-12219 (2020).

40. 06/12/2020, Qingyang contributed a solicited talk at EGU general assembly (online).
The title of the talk is "Mineral reservoirs and behaviors of hydrogen in Earth’s lower mantle" which belongs to the session “Earth as a tectonically living planet: the role of water”. Abstract can be found here.

39. 05/07/2020, Article "Diffused morphotropic phase boundary in relaxor-PbTiO3 crystals: High piezoelectricity with improved thermal stability" was published by Applied Physics Review.
Gang Liu from HPSTAR discovered a highly stable, higher efficiency solid solution materials for ferroelectrics. Liu, G., Kong, L., Hu, Q. and Zhang, S. Appl. Phys. Rev. 7, 021405 (2020).