Related papers: BaVS$_3$ probed by V L edge X-ray absorption spect…

Collective Charge Excitations below the Metal-to-Insulator Transition in BaVS3

The charge response in the barium vanadium sulfide (BaVS3) single crystals is characterized by dc resistivity and low frequency dielectric spectroscopy. A broad relaxation mode in MHz range with huge dielectric constant ~= 10^6 emerges at…

Strongly Correlated Electrons · Physics 2009-11-13 T. Ivek , T. Vuletic , S. Tomic , A. Akrap , H. Berger , L. Forro

Electrodynamics of the vanadium oxides VO2 and V2O3

The optical/infrared properties of films of vanadium dioxide (VO2) and vanadium sesquioxide (V2O3) have been investigated via ellipsometry and near-normal incidence reflectance measurements from far infrared to ultraviolet frequencies.…

Strongly Correlated Electrons · Physics 2009-11-13 M. M. Qazilbash , A. A. Schafgans , K. S. Burch , S. J. Yun , B. G. Chae , B. J. Kim , H. T. Kim , D. N. Basov

Temperature-dependent soft x-ray photoemission and absorption studies of charge disproportionation in La$_{1-x}$Sr$_x$FeO$_3$

We have measured the temperature dependence of the photoemission and x-ray absorption spectra of La$_{1-x}$Sr$_x$FeO$_3$ (LSFO) epitaxial thin films with $x=0.67$, where charge disproportionation ($3{Fe}^{3.67+}\to 2{Fe}^{3+}+ {Fe}^{5+}$)…

Strongly Correlated Electrons · Physics 2007-05-23 H. Wadati , A. Chikamatsu , R. Hashimoto , M. Takizawa , H. Kumigashira , A. Fujimori , M. Oshima , M. Lippmaa , M. Kawasaki , H. Koinuma

F and Vk centres in LaF3, CeF3 crystals

Optical absorption properties of additively colored in calcium vapor and X-irradiated crystals with tysonite structure, LaF3 and CeF3, were studied in 1.5-5.5 eV energy range. Photobleaching with 1.9 eV light and dichroism of the absorption…

Materials Science · Physics 2015-10-28 E. Radzhabov , A. I. Nepomnyashikh

Measurement of $\Lambda$ transverse polarization in $e^{+}e^{-}$ collisions at $\sqrt{s}= 3.68-3.71$ GeV

With data samples collected with the BESIII detector at seven energy points at $\sqrt{s}= 3.68 - 3.71$ GeV, corresponding to an integrated luminosity of 333 pb$^{-1}$, we present a study of the $\Lambda$ transverse polarization in the…

High Energy Physics - Experiment · Physics 2024-03-26 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , R. Aliberti , A. Amoroso , M. R. An , Q. An , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , V. Batozskaya , D. Becker , K. Begzsuren , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , T. T. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Y. Q. Chen , Z. J. Chen , W. S. Cheng , S. K. Choi , X. Chu , G. Cibinetto , S. C. Coen , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , Z. H. Duan , P. Egorov , Y. L. Fan , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , K Fischer , M. Fritsch , C. Fritzsch , C. D. Fu , Y. W. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , Y. T. Gu , C. Y Guan , Z. L. Guan , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , A. Guskov , X. T. H. , W. Y. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , N Hüsken , W. Imoehl , M. Irshad , J. Jackson , S. Jaeger , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , Z. K. Jia , P. C. Jiang , S. S. Jiang , T. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , T. Johansson , X. K. , S. ËœK. Kabana , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , A. Khoukaz , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuessner , A. Kupsc , W. Kühn , J. J. Lane , J. S. Lange , P. Larin , A. Lavania , L. Lavezzi , T. T. Lei , Z. H. Lei , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. Li , H. B. Li , H. J. Li , H. N. Li , Hui Li , J. R. Li , J. S. Li , J. W. Li , Ke Li , L. J Li , L. K. Li , Lei Li , M. H. Li , P. R. Li , S. X. Li , S. Y. Li , T. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , Xiaoyu Li , Y. G. Li , Z. J. Li , Z. X. Li , Z. Y. Li , C. Liang , H. Liang , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , J. Libby , A. Limphirat , D. X. Lin , T. Lin , B. X. Liu , B. J. Liu , C. Liu , C. X. Liu , D. Liu , F. H. Liu , Fang Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. L. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , X. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , Y. F. Lyu , F. C. Ma , H. L. Ma , J. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , R. T. Ma , X. Y. Ma , Y. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , N. Yu. Muchnoi , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , K. Peters , J. L. Ping , R. G. Ping , S. Plura , S. Pogodin , V. Prasad , V. ËœP. Prasad , F. Z. Qi , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , C. F. Qiao , J. J. Qin , L. Q. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , C. F. Redmer , K. J. Ren , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , S. N. Ruan , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. C. Shi , J. Y. Shi , Q. Q. Shi , R. S. Shi , X. Shi , J. J. Song , T. Z. Song , W. M. Song , Y. X. Song , S. Sosio , S. Spataro , F. Stieler , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , Y. Sun , Y. J. Sun , Y. Z. Sun , Z. T. Sun , Y. X. Tan , C. J. Tang , G. Y. Tang , J. Tang , Y. A. Tang , L. Y Tao , Q. T. Tao , M. Tat , J. X. 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Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , X. Zhong , H. Zhou , L. P. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , J. Zhu , K. Zhu , K. J. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , S. Q. Zhu , T. J. Zhu , W. J. Zhu , Y. C. Zhu , Z. A. Zhu , J. H. Zou , J. Zu

Temperature-dependent optical spectra of single-crystal (CH$_3$NH$_3$)PbBr$_3$ cleaved in ultrahigh vacuum

We measure temperature-dependent one-photon and two-photon induced photoluminescence from (CH3NH3)PbBr3 single crystals cleaved in ultrahigh vacuum. An approach is presented to extract absorption spectra from a comparison of both…

Materials Science · Physics 2017-02-22 Daniel Niesner , Oskar Schuster , Max Wilhelm , Ievgen Levchuk , Andres Osvet , Shreetu Shrestha , Miroslaw Batentschuk , Christoph Brabec , Thomas Fauster

Temperature dependence of the electronic structure of A-site ordered perovskite CaCu$_3$Ti$_4$O$_{12}$: Angle-integrated and -resolved photoemission studies

We have investigated the electronic structure of A-site ordered CaCu$_3$Ti$_4$O$_{12}$ as a function of temperature by using angle-integrated and -resolved photoemission spectroscopies. Intrinsic changes of the electronic structure have…

Strongly Correlated Electrons · Physics 2019-06-13 H. J. Im , T. Sakurada , M. Tsunekawa , T. Watanabe , H. Miyazaki , S. Kimura

Suppression of ferromagnetism in the La(V$_x$Cr$_{1-x}$)Sb$_3$ system

To explore the possibility of quantum phase transitions and even quantum criticality in LaCrSb$_3$ based compounds, we performed measurements under pressure as well as a vanadium substitution study. The Curie temperature of LaCrSb$_3$ was…

Materials Science · Physics 2015-06-17 Xiao Lin , Valentin Taufour , Sergey L. Bud'ko , Paul C. Canfield

Pressure-induced multiple phase transformations of the BaBi$_3$ superconductor

Measurements of temperature-dependent resistance and magnetization under hydrostatic pressures up to 2.13 GPa are reported for single-crystalline, superconducting BaBi$_3$. A temperature - pressure phase diagram is determined and the…

Superconductivity · Physics 2019-07-23 Li Xiang , Raquel A. Ribeiro , Udhara S. Kaluarachchi , Elena Gati , Manh Cuong Nguyen , Cai-Zhuang Wang , Kai-Ming Ho , Sergey L. Bud'ko , Paul C. Canfield

Polarization-dependent effects in vibrational absorption spectra of 2D finite-size adsorbate islands on dielectric substrates

In the last years, Infrared Reflection-Absorption Spectroscopy (IRRAS) became a standard technique to study vibrational excitations of molecules. These investigations are strongly motivated by perspective applications in monitoring chemical…

Optics · Physics 2024-03-04 Benedikt Zerulla , Marjan Krstić , Shuang Chen , Zairan Yu , Dominik Beutel , Christof Holzer , Markus Nyman , Alexei Nefedov , Yuemin Wang , Thomas G. Mayerhöfer , Christof Wöll , Carsten Rockstuhl

Orbital order and fluctuations in the two-leg ladder materials BaFe$_2X_3$ ($X$ = S and Se) and CsFe$_2$Se$_3$

The electronic structure of BaFe$_2X_3$ ($X$ = S and Se) and CsFe$_2$Se$_3$ in which two-leg ladders are formed by the Fe sites are studied by means of x-ray absorption and resonant inelastic x-ray scattering spectroscopy. The x-ray…

Superconductivity · Physics 2017-09-29 Kou Takubo , Yuichi Yokoyama , Hiroki Wadati , Shun Iwasaki , Takashi Mizokawa , Teak Boyko , Ronny Sutarto , Feizhou He , Kazuki Hashizume , Satoshi Imaizumi , Takuya Aoyama , Yoshinori Imai , Kenya Ohgushi

Observation of a Transition from BCS to HTSC-like Superconductivity in Ba_{1-x}K_xBiO_3 Single Crystals

A study of temperature dependences of the upper critical field B_{c2}(T) and surface impedance Z(T)=R(T)+iX(T) in Ba_{1-x}K_xBiO_3 single crystals that have transition temperatures in the range 6 < T_c < 32 K (roughly 0.6>x>0.4) reveals a…

Superconductivity · Physics 2015-06-25 G. E. Tsydynzhapov , A. F. Shevchun , M. R. Trunin , V. N. Zverev , D. V. Shovkun , N. V. Barkovskiy , L. A. Klinkova

Polarized x-ray absorption spectra of CuGeO3 at the Cu and Ge K edges

Polarized x-ray absorption near edge structure (XANES) spectra at both the Cu and the Ge K-edges of CuGeO3 are measured and calculated relying on the real-space multiple-scattering formalism within a one-electron approach. The polarization…

Condensed Matter · Physics 2009-11-07 Ondrej Sipr , Antonin Simunek , Sergey Bocharov , Gunther Drager

Influence of defects on ferroelectric and electrocaloric properties of BaTiO$_3$

We report modifications of the ferroelectric and electrocaloric properties of BaTiO$_3$ by defects. For this purpose, we have combined \textit{ab initio}-based molecular dynamics simulations with a simple model for defects. We find that…

Materials Science · Physics 2016-10-03 Anna Grünebohm , Takeshi Nishimatsu

Temperature-Dependence of Magnetically-Active Charge Excitations in Magnetite across the Verwey Transition

We have studied the electronic structure of bulk single crystals and epitaxial films of magnetite Fe$_3$O$_4$. Fe $2p$ core-level spectra show clear differences between hard x-ray (HAX-) and soft x-ray (SX-) photoemission spectroscopy…

Strongly Correlated Electrons · Physics 2015-12-23 M. Taguchi , A. Chainani , S. Ueda , M. Matsunami , Y. Ishida , R. Eguchi , S. Tsuda , Y. Takata , M. Yabashi , K. Tamasaku , Y. Nishino , T. Ishikawa , H. Daimon , S. Todo , H. Tanaka , M. Oura , Y. Senba , H. Ohashi , S. Shin

Doping and temperature-dependent optical properties of oxygen-reduced BaTiO3-d

We report on optical properties of reduced BaTiO3-d at different doping levels including insulating and metallic samples. In all the samples, including metallic one, we observe structural phase transitions from the changes in the…

Strongly Correlated Electrons · Physics 2015-05-28 J. Hwang , T. Kolodiazhnyi , J. Yang , M. Couillard

High-temperature magnetostructural transition in van der Waals-layered a-MoCl3

The crystallographic and magnetic properties of the cleavable 4d3 transition metal compound a-MoCl3 are reported, with a focus on the behavior above room temperature. Crystals were grown by chemical vapor transport and characterized using…

Materials Science · Physics 2017-11-09 Michael A. McGuire , Jiaqiang Yan , Paula Lampen-Kelley , Andrew F. May , Valentino R. Cooper , Lucas Lindsay , Alexander Puretzky , Liangbo Liang , Santosh KC , Ercan Cakmak , Stuart Calder , Brian C. Sales

Local Electronic Structure of PbVO3, a New Member of PbTiO3 Family, studied by XANES/ELNES

Recently an interesting multi-ferroic system PbVO3 [Chem. Mater. 2004] was successfully prepared using a high-pressure and high-temperature technique. The crystallographic features were reported. In this note we concentrate on the…

Materials Science · Physics 2007-05-23 Sher Alam , Alexei A. Belik , Y. Matsui

Two-dimensional electron gas at the interface of the ferroelectric-antiferromagnetic heterostructure Ba_0.8Sr_0.2TiO_3/LaMnO_3

The temperature dependence of the electrical resistivity of the heterostructures consisting of single crystalline LaMnO$_3$ samples with different crystallographic orientations covered by the epitaxial ferroelectric…

Strongly Correlated Electrons · Physics 2017-10-20 D. P. Pavlov , I. I. Piyanzina , V. M. Mukhortov , A. M. Balbashov , D. A. Tayurskii , I. A. Garifullin , R. F. Mamin

Very large spontaneous electric polarization in BiFeO3 single crystals at room temperature and its evolution under cycling fields

Electric polarization loops are measured at room temperature on highly pure BiFeO3 single crystals synthesized by a flux growth method. Because the crystals have a high electrical resistivity, the resulting low leakage currents allow us to…

Materials Science · Physics 2009-11-13 D. Lebeugle , D. Colson , A. Forget , M. Viret