Learning from the wisdom and insights of others remains one of the most effective paths to progress.This is the driving force behind our commitment to experience sharing.The March/April issue features three renowned i...Learning from the wisdom and insights of others remains one of the most effective paths to progress.This is the driving force behind our commitment to experience sharing.The March/April issue features three renowned international standardization experts who share their journeys,the strategic"hows and whys"of global participation,and the critical role of stakeholder engagement in shaping the future of the industry.展开更多
Layered oxychalcogenides namely the SmCrS_(2−x)Se_(x)O(x=0–2)solid solutions,were synthesized via high-temperature solid-state reactions.SmCrQ_(2)O(Q=S,Se)crystallizes in the monoclinic space group of C2/m(No.12),fea...Layered oxychalcogenides namely the SmCrS_(2−x)Se_(x)O(x=0–2)solid solutions,were synthesized via high-temperature solid-state reactions.SmCrQ_(2)O(Q=S,Se)crystallizes in the monoclinic space group of C2/m(No.12),featuring typical layered structures.The two-dimensional(2D)_(∞)^(2)[CrQ_(2)O]^(3−)motifs stack along the a axis,which are separated by Sm^(3+)ions.The_(∞)^(2)[CrQ_(2)O]^(3−)layers are composed of[CrQ_(6)]^(9−)and[CrQ_(4)O_(2)]^(9−)octahedra via corner and edge sharing.The in-plane Cr atoms feature a distorted honeycomb arrangement with prolonged Cr⋯Cr distances along the c axis.The powder X-ray diffraction results confirm the phase purities and the formation of solid solutions.Magnetic measurements indicate that the SmCrS_(2−x)Se_(x)O solid solutions show typical antiferromagnetic ordering.The Néer temperatures(TN)increase from 74 K to 121 K with the decrease in S content.展开更多
文摘Learning from the wisdom and insights of others remains one of the most effective paths to progress.This is the driving force behind our commitment to experience sharing.The March/April issue features three renowned international standardization experts who share their journeys,the strategic"hows and whys"of global participation,and the critical role of stakeholder engagement in shaping the future of the industry.
基金supported by the Innovation Program of the CAS(Grant KJCX2-EW-W11)the“Strategic Priority Research Program(B)”of the Chinese Academy of Sciences(Grants XDB04040200)+3 种基金the NSF of China(Grants 91122034,51125006,51202279,61376056,and 21201012)the Science and Technology Commission of Shanghai(Grant 12XD1406800)the Research Grant of Qian Xuesen Laboratory of Space Technology(Y-KC-WY-99-ZY-000-013)the Qian Xuesen Youth Innovation Fund(Y-KC-JT-QXS-012).
文摘Layered oxychalcogenides namely the SmCrS_(2−x)Se_(x)O(x=0–2)solid solutions,were synthesized via high-temperature solid-state reactions.SmCrQ_(2)O(Q=S,Se)crystallizes in the monoclinic space group of C2/m(No.12),featuring typical layered structures.The two-dimensional(2D)_(∞)^(2)[CrQ_(2)O]^(3−)motifs stack along the a axis,which are separated by Sm^(3+)ions.The_(∞)^(2)[CrQ_(2)O]^(3−)layers are composed of[CrQ_(6)]^(9−)and[CrQ_(4)O_(2)]^(9−)octahedra via corner and edge sharing.The in-plane Cr atoms feature a distorted honeycomb arrangement with prolonged Cr⋯Cr distances along the c axis.The powder X-ray diffraction results confirm the phase purities and the formation of solid solutions.Magnetic measurements indicate that the SmCrS_(2−x)Se_(x)O solid solutions show typical antiferromagnetic ordering.The Néer temperatures(TN)increase from 74 K to 121 K with the decrease in S content.
