MARCH 20, 2023 — New work from a team of scientists led by Drs. Haiyan Zheng and Kuo Li from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) synthesized ordered van der Waals hetero-nanoribbons via pressure-induced topochemical polymerization of azobenzene. The result is published recently in the Journal of the American Chemical Society.
JANUARY 9, 2023 — A research team led by Dr. Hengzhong Zhang from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) illustrated that the rate-determining step (RDS) of oxygen evolution reaction (OER) could be regulated by simply varying the cation and anion complexity in a family of the metal phosphorous trichalcogenide (MPTC) electrocatalysts (MPT3, where M = Fe, Ni; ...
JANUARY 17, 2023 — A collaborated work involved by Yantai University, HPSTAR, Linyi University, ESRF and California State University Northbridge, use a pair of diamond to compress AgI powders to extremely high pressures, equivalent to 420,000 atmospheres. They observed decomposition of AgI into the elementary members of Ag and I. This work is published by the Journal of American Chemical Society ...
JANUARY 5, 2023 — Various transition metal trichalcogenides (TMTC) show unique electronic properties, such as metal-insulator transition, topological insulator, and even superconducting transition. Currently, almost all metallic TMTC compounds can show superconductivity either at ambient pressure or at high pressure. However, most TMTC compounds are semiconductors and even insulators. To find out...
DECEMBER 11, 2022 — Oxygen is the key substance for life and one of the most abundant elements in the Earth. However, it’s still unknown whether oxygen is present and in which form in the inner core with extreme high pressure and temperature conditions, and almost composed of pure iron. Scientists co-led by Dr. Jin Liu from HPSTAR, China and Dr. Yang Sun from Columbia University, USA reveal that...
NOVEMBER 29, 2022 — New research from a team of scientists led by Drs. Kuo Li and Haiyan Zheng from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) firstly found reported the first synthesize of the a three-dimensional atomically ordered crystalline carbon nanothreads (CNThs) can be synthesized from a biomass precursor, 2,5-furandicarboxylic acid (FDCA), through [4+2...
SEPTEMBER 10, 2022 A team of HPSTAR scientists led by Dr. Zhiqiang Chen cooperated with Prof. Zhi Su from Nanjing Normal University found that the mechanical ultra-stability of MOF porous materials depends extensively on their porosity. In this particular work, compared to the amorphization of dense Mn-MOF at 0.8 GPa in a diamond anvil cell, the mechanical stability of porous Mn0.05Fe0.95-MOF has ...
OCTOBER 10, 2022 — New research from a team of scientists co-led by Dr. Wenge Yang from HPSTAR obtained a highly transparent and metastable phase with two orders of magnitude enhancement in conductivity in Ti-doped In2O3 by pressure treatment and thus proposed to apply pressure to modulate the lattice and electronic and optical properties precisely on TCOs. The study is published in Advanced...
NOVEMBER 3, 2022 — In For semiconductor heterostructures, reconfiguring the band-edge states and modulating their interplay with charge carriers in a continuous manner have been a long-standing challenge. Recently, an international research team led by Dr. Xujie Lü from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) and Prof. Letian Dou from Purdue University chosen...
OCTOBER 26, 2022 — Water is transported by oceanic plates into the Earth_sqlquote_s deep interior and changes the properties of minerals and rocks, affecting the Earth_sqlquote_s internal material cycle and environmental evolution since the formation of the Earth. An international research group led by Dr. Takayuki Ishii and Dr. Ho-kwang Mao (Center for High Pressure Science and Technology...
AUGUST 17, 2022 — Preservation of the high-pressure states of materials at ambient conditions is a long-sought-after goal for fundamental research and practical applications. A team of scientists led by Drs. Zhidan (Denise) Zeng, Qiaoshi Zeng, and Ho-Kwang Mao from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) and Prof. Wendy Mao from Stanford University report an ...
AUGUST 10, 2022 — Integrating the advantages of crystalline and amorphous states by creating hybrid structures has long been pursued. Recently, a research team led by Dr. Xujie Lü from the Center for High Pressure Science and Technology Advanced Research (HPSTAR) reports the discovery of a new crystalline-amorphous hybrid structure under pressure. Their study, entitled “Nested order-disorder...
JULY 23, 2022 — New study from a team of scientists co-led by Drs. Yanhao Lin, Qingyang Hu and Ho-kwang Mao from HPSTAR and Michael Walter from Carnegie Institution for Science, first quantified the water storage capacity in stishovite of ~3.5 wt% in the transition zone and shallow lower mantle, decreasing to about 0.8 wt% at the base of the mantle. This study shows that stishovite / post...
JUNE 27, 2022 — Valence change commonly happens in rare earth metals, while for Eu, it seems an exception in this group of metals. A team of scientists led by Dr. Yang Ding from HPSTAR published a study in the June 27 issue of the journal of Physical Review Letters confirming that a valence transition also occurred in Eu around 80 GPa along with a structural variation. Their study solved a long...
MAY 28, 2022 — In recent work published as an Editors’Suggestion in Physical Review Letters, a team led by Dr. Ross Howie, and including HPSTAR (past and present) members Dr. Umbertoluca Ranieri, Dr. Mary-Ellen Donnelly, Dr. Philip Dalladay-Simpson, Prof. Eugene Gregoryanz, and Miss Huixin Hu report the high-pressure formation of the most H2-rich compounds found to date, (CH4)3(H2)25, CH4(H2)2 and...
JUNE 1, 2022 — An international research group led by Dr. Thomas Meier from the Center of High Pressure Science and Technology Advanced Research (HPSTAR) in Beijing, where able to discover a unifying relationship in a number of distinct samples under extreme pressures. In particular, they were able to observe Hydrogen bond symmetrisations in the high-pressure polymorphs ice VII and X, magnesium ...
MAY 5, 2022 — High-drive electromechanical applications require ferroelectrics accounting for a large coercive field and high piezoelectricity simultaneously but it is still a challenge. Here, a team co-led by Dr. Gang Liu from HPSTAR performs a closely integrated experimental and computational investigations to solve this long-standing puzzle and demonstrate it in a relaxor-based ferroelectric...
APRIL 26, 2022 — New study from a team of scientists co-led by Dr. Qiaoshi Zeng from Center for High Pressure Science and Technology Advance Research reported a high-entropy-induced glass-to-glass transition in the NbNiZrTiCo high-entropy metallic glass. This glass-to-glass transition leads to a significant improvement of the modulus, hardness, and thermal stability. Their findings demonstrate that ...