supported by the National Natural Science Foundation of China(Grant Nos.11974070,11734006,11925408,and 11921004);the Frontier Science Project of Dongguan(Grant No.2019622101004);the National Key R&D Program of China(Grant Nos.2016YFA0300600,and 2018YFA0305700);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB33000000);the K.C.Wong Education Foundation(Grant No.GJTD-2018-01);the Beijing Natural Science Foundation(Grant No.Z180008);the Beijing Municipal Science and Technology Commission(Grant No.Z191100007219013);the CAS Interdisciplinary Innovation Team。
We have investigated the quasiparticle dynamics and collective excitations in the quasi-one-dimensional material ZrTe_(5) using ultrafast optical pump-probe spectroscopy.Our time-domain results reveal two coherent osc...
supported by the National Natural Science Foundation of China(Grant Nos.51502351,12074436,U2032204,11822411,11961160699,and 11874401);the National Key Research and Development Program of China(Grant Nos.2018YFA0704200,2017YFA0303100;2017YFA0302900);the Strategic Priority Research Program(B)of the Chinese Academy of Sciences(CAS)(Grant Nos.XDB25000000;XDB07020300);the K.C.Wong Education Foundation(Grant No.GJTD-2020-01);support from the Innovation-driven Plan in Central South University(Grant No.2016CXS032);the support from the Youth Innovation Promotion Association of CAS(Grant No.Y202001);the Beijing Natural Science Foundation(Grant No.JQ19002)。
We use ultrafast optical spectroscopy to study the nonequilibrium quasiparticle relaxation dynamics of the iron-based superconductor KCa_(2)Fe_(4)A_(s4)F_(2)with T_(c)= 33.5 K. Our results reveal a possible pseudogap(...
This work was financially supported by National Key R&D Program of China(2017YFA0206700);National Natural Science Foundation of China(21725103);K.C.Wong Education Foundation(GJTD-2018-09);Jilin Province Science and Technology Development Plan Funding Project(20200201079JC);Jilin Province Capital Construction Funds Project(2020C026-1).
Organic electrode materials based on the chemical bond cleavage/recombination working principle usually produce unimpressive reaction kinetics and stability.In this work,polypyrrole(PPy)is investigated as an ultrafast...