Explanipedia

Rethinking photosynthesis: cyanobacterial photochemotrophy as a step towards net zero Open

Maurycy Daroch, X. Liu, Faiz Rasul, Donghyun You, Yuanyuan Jiang · 2025

Effect of Non-Local Growth Dynamics on Magnetic Properties of Composition-Graded Ga1-xMnxAs1-yPy Ferromagnetic Films Open

Seul‐Ki Bac, X. Liu, Małgorzata Dobrowolska, Sang‐Hoon Lee, J. K. Furdyna · 2022

We discuss the magnetic properties of Ga1-xMnxAs1-yPy films with phosphorus content y graded along the growth direction from y = 0.03 to y ≈ 0.25.Such grading was achieved by growing the film epitaxially in the form of sublayers with succe…

A Light-Weight Sponge Catalyst for Hydrogen Generation from Liquid Hydrogen Carriers Open

Jifeng Deng, Kurbannisa Kadeer, Chaoyuan Hu, Zewei Xie, Yu Shi , et al. · 2022

Leading and higher twist transverse momentum dependent parton distribution functions in the spectator model Open

X. Liu, Wenjuan Mao, Xiaoyu Wang, Bo-Qiang Ma · 2021

Transverse momentum dependent parton distribution functions, also abbreviated as TMDs, offer a three-dimensional picture of hadrons by taking the intrinsic transverse momentum of the parton into consideration. Hence, they are very importan…

Ultrafast bipolar conductivity driven by intense single-cycle terahertz pulses in a topological insulator Bi 2 Se 3 Open

Lei Luo, Yang Xu, Chirag Vaswani, X. Liu, I. E. Perakis , et al. · 2021

We present the measurement of ultrafast terahertz (THz) conductivity of a 50 nm thick topological insulator Bi 2 Se 3 at low temperature 5 K by using a THz pump and THz probe spectroscopy scheme. The THz conductivity driven by a single-cyc…

Introduction of Sr into Bi2Se3 thin films by molecular beam epitaxy Open

Logan Riney, Christian Bunker, Seul‐Ki Bac, Jiashu Wang, David Battaglia , et al. · 2021

SrxBi2Se3 is a candidate topological superconductor, but its superconductivity requires the intercalation of Sr into the van der Waals gaps of Bi2Se3. We report the synthesis of SrxBi2Se3 thin films by molecular beam epitaxy, and we charac…

Single-cell immune checkpoint landscape of PBMCs stimulated with Candida albicans Open

Weiwei Deng, Zhen Su, Panpan Liang, Yubo Ma, Yufang Liu , et al. · 2021

Immune checkpoints play various important roles in tumour immunity, which usually contribute to T cells' exhaustion, leading to immunosuppression in the tumour microenvironment. However, the roles of immune checkpoints in infectious diseas…

In vitro and in vivo studies on pure Mg, Mg–1Ca and Mg–2Sr alloys processed by equal channel angular pressing Open

Wenting Li, Yunong Shen, Jie Shen, Danni Shen, X. Liu , et al. · 2020

Bi2O2Se photoconductive detector with low power consumption and high sensitivity Open

Danyang Li, Xu Han, Guangyuan Xu, X. Liu, Xiao‐Jun Zhao , et al. · 2020

With the advent of graphene, atomically thin two-dimensional materials receive great attention in both science and technology. However, the characterization of zero-band gap of graphene hinders its applications in semiconductor logic and m…

Interlayer exchange coupling in ferromagnetic semiconductor trilayers with out-of-plane magnetic anisotropy Open

Phunvira Chongthanaphisut, Seul‐Ki Bac, Seonghoon Choi, Kyung Jae Lee, Jihoon Chang , et al. · 2019

Extreme asymmetry of Néel domain walls in multilayered films of the dilute magnetic semiconductor (Ga,Mn)(As,P) Open

V. K. Vlasko‐Vlasov, W. K. Kwok, Sining Dong, X. Liu, M. Dobrowolska , et al. · 2018

Here, we report on unconventional perfectly shaped, fully asymmetric ~90° Néel domain walls in multilayered films of the diluted ferromagnetic semiconductor (Ga,Mn)(As,P) with a stepwise variation of P doping. Our results contradict microm…

Ultrafast Enhancement of Ferromagnetism via Photoexcited Holes inGaMnAs Open

J. Wang, Ingrid Cotoros, Keshav M. Dani, X. Liu, J. K. Furdyna , et al. · 2018

We report on the observation of ultrafast photo-enhanced ferromagnetism in GaMnAs. It is manifested as a transient magnetization increase on a 100-ps time scale, after an initial sub-ps demagnetization. The dynamic magnetization enhancemen…

Magnetization reversal in trilayer structures consisting of GaMnAs layers with opposite signs of anisotropic magnetoresistance Open

Kyung Jae Lee, Sangyeop Lee, Seul‐Ki Bac, Seonghoon Choi, Hakjoon Lee , et al. · 2018

Magnetization reversal in a GaMnAs trilayer system consisting of two GaMnAs layers separated by a Be-doped GaAs spacer was investigated by magnetotransport measurements. The rotation of magnetization in the two GaMnAs layers is observed as…

Magnetic properties of Ni films deposited on MBE grown Bi2Se3 layers Open

Taehee Yoo, Alviu Rey Nasir, Seul‐Ki Bac, Sangyeop Lee, Seonghoon Choi , et al. · 2017

We have investigated the magnetic properties of the Ni films deposited on a GaAs and a Bi2Se3 buffer grown by molecular beam epitaxy on a GaAs (001) substrate. The magnetization measurements at 4 K revealed that the coercivity of the Ni fi…

Magnetic anisotropy of quaternary GaMnAsP ferromagnetic semiconductor Open

Hakjoon Lee, Jihoon Chang, Phunvira Chongthanaphisut, Sangyeop Lee, Seonghoon Choi , et al. · 2016

We report a systemeatic investigation of magnetic anisotropy of quaternary GaMnAsP ferromagnetic semiconductor films by magneto-transport. Hall measurements showed a transition of the easy magnetization direction from in-plane to out-of pl…

Signatures of four-particle correlations associated with exciton-carrier interactions in coherent spectroscopy on bulk GaAs Open

Daniel Webber, Brian Wilmer, X. Liu, M. Dobrowolska, J. K. Furdyna , et al. · 2016

Transient four-wave mixing studies of bulk GaAs under conditions of broad bandwidth excitation of primarily interband transitions have enabled four-particle correlations tied to degenerate (exciton-exciton) and nondegenerate (exciton-carri…

Probing and controlling terahertz-driven structural dynamics with surface sensitivity Open

Pamela Bowlan, John Bowlan, S. A. Trugman, Rolando Valdés Aguilar, J. Qi , et al. · 2016

Intense, single-cycle terahertz (THz) pulses offer a promising approach for understanding and controlling the properties of a material on an ultrafast time scale. In particular, resonantly exciting phonons leads to a better understanding o…

The clinical spectrum of female epilepsy patients with PCDH19 mutations in a Chinese population Open

Aijie Liu, Xiaojing Xu, Xin Yang, Yuwu Jiang, Zhixian Yang , et al. · 2016

Mutations in PCDH19 , which encodes protocadherin 19, have been identified in epilepsy, mainly in affected females. We summarized the clinical spectrum of female epilepsy patients with PCDH19 mutations in a Chinese population. We screened …

Magnetic anisotropy of crystalline Fe films grown on (001) GaAs substrates using Ge buffer layers Open

Seul‐Ki Bac, Hakjoon Lee, Sangyeop Lee, Seonghoon Choi, Taehee Yoo , et al. · 2016

Magnetic anisotropy of Fe films grown on (001) GaAs substrates using Ge buffer layers were investigated by planar Hall effect measurements. In addition to phenomena arising from dominant cubic symmetry of the Fe specimen, the study of angu…

Observation of uniaxial anisotropy along the [100] direction in crystalline Fe film Open

Seul‐Ki Bac, Hakjoon Lee, Sangyoep Lee, Seonghoon Choi, Taehee Yoo , et al. · 2015

Fluorine-ion-beam modification of magnetic properties of thin GaMnAs films Open

S. L. A. Mello, M. M. Sant’Anna, C. F. S. Codeço, Sining Dong, Taehee Yoo , et al. · 2015

Magnetic and electrical transport properties of fluorine-ion-beam irradiated GaMnAs films were studied as a function of ion fluence and energy of impinging ions. The different nature of defects created by ions of low- and high-energies is …

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