Results 171 to 180 of about 19,911 (268)

Dynamics of Purification in Cu2O

physica status solidi (b), EarlyView.
Rydberg excitons in Cu2O have been shown to be highly efficient in neutralizing and screening charged impurities, which is referred to as purification. In this manuscript, the dynamics of the purification process are investigated under varying probe exciton‐ and plasma density. The transient absorption of Rydberg excitons is analyzed and five different
Binodbihari Panda, Juliane Rütter, Julian Heckötter, Marc Alexander Aßmann   +3 more
wiley   +1 more source

Online Testing Method for the Fine Spectral Characteristics of Narrow-Band Interference Filters Based on a Narrow-Linewidth Tunable Laser. [PDF]

Sensors (Basel)
Ji K, Yang Y, Lin X, Liang J, Ji K, Wang J, Liu L, Chen Z, Wang W, Cheng X, Li F.   +10 more
europepmc   +1 more source

An ultra-narrow linewidth solution-processed organic laser. [PDF]

Light Sci Appl, 2016
Mhibik O, Forget S, Ott D, Venus G, Divliansky I, Glebov L, Chénais S.   +6 more
europepmc   +1 more source

Tunable Josephson Generator for Qubit Excitation and Two‐Tone Spectroscopy

Advanced Quantum Technologies, EarlyView.
A tunable on‐chip Josephson generator that enables direct qubit excitation has been presented. The device consists of a current‐biased Josephson junction and a superconducting resonator, forming a microwave source that operates at 4 K. Excitation of the qubit at 20 mK was done via a short coaxial line between the 4 K and 20 mK stages.
M. M. Khrenov, R. D. Yusupov, G. I. Gubochkin, V. A. Vozhakov, I. A. Nazhestkin, A. D. Belanovsky, A. S. Ionin, P. A. Gladilovich, G. S. Khismatullin, L. V. Filippenko, M. Y. Fominskii, V. P. Koshelets, M. Yu. Kupriyanov, V. V. Ryazanov, N. Maleeva, N. V. Klenov, I. I. Soloviev, D. S. Yakovlev   +17 more
wiley   +1 more source

Strategy for One‐Step Optimization of Metal Oxide Passivating Contact Materials for Si Heterojunction Solar Cells through Growth Angle Variation

Small, EarlyView.
A one‐step oblique angle reactive sputtering approach enables simultaneous tuning of bulk and interfacial stoichiometry in a metal oxide/ silicon heterojunction. In case of vanadium oxides, growth angle variation controls the formation of stoichiometric SiO2, ternary SiOx(V) interlayer, and phase purity of vanadium oxide, considerably simplifying the ...
Aparajita Mandal, Alexis Franquet, Hans Hofsäss, Tapobrata Som   +3 more
wiley   +1 more source

Symmetric Metal Organic Framework‐Plasmonic Architectures for Reversible and High‐Sensitivity Optical Sensing

Small, EarlyView.
This work presents a plasmonic sensing platform combining surface lattice resonances (SLRs) in 2D metal nanoparticle gratings with ZIF‐8 MOF films. The plasmonic grating is easily and scalably produced from template‐assisted assembly of metal colloids, which is fully compatible with MOF growth. The resulting MOF‐plasmonic structure allows for a dynamic
Xiaoyu Qi, Luis Alberto Pérez, Lingxin Meng, Inhar Imaz, Maria Isabel Alonso, Daniel Maspoch, Agustín Mihi   +6 more
wiley   +1 more source

Modular Donor‐Acceptor Diradicaloids Based on an Electron Deficient N‐Heteroacene Acceptor

Small, EarlyView.
This work presents a modular approach to donor‐acceptor‐donor (D‐A‐D) diradicaloids that show systematic evolution of their energy gaps, singlet‐triplet splittings, and diradical character (y). The correlation of (opto)electronic, spin, and magnetic properties with high‐fidelity theoretical investigations provides clear connections between the degree ...
Tanner L. Smith, Zhendian Zhang, Tanya A. Balandin, Paramasivam Mahalingam, Andrew H. Comstock, Anna M. Österholm, Michael K. Bowman, Molly M. Lockart, Guoxiang Hu, Jason D. Azoulay   +9 more
wiley   +1 more source

Versatile High‐Sensitivity EPR Using Superconducting Spiral Microresonators

Small Methods, EarlyView.
A significant sensitivity enhancement in conventional X‐band pulsed EPR is achieved using planar spiral microresonators fabricated from high‐temperature superconducting YBCO. Fully compatible with standard instrumentation, the approach enables high‐fidelity spin control under typical sample conditions.
Gediminas Usevičius, Mantas Šimėnas, Blaise L. Geoghegan, Oscar W. Kennedy, Ignas Pocius, Patrick Hogan, Ana Villanueva Ruiz de Temino, Jean‐Baptiste Verstraete, Paulina Verbaitytė, Angeliki Chatziathanasiou, G. Antilen Jacob, Mindaugas Kamarauskas, Marius Treideris, Paulius Gečys, Joseph Alexander, Vidmantas Kalendra, Jūras Banys, Maxie M. Roessler, John J.L. Morton   +18 more
wiley   +1 more source

Large‐Scale Synthesis of InP/ZnS Quantum Dots Using Continuous Flow Chemistry

Small Structures, EarlyView.
Novel precursors for the continuous flow synthesis of highly luminescent InP/ZnS core/shell QDs are identified, enabling their fully automated gram‐scale production in a two‐stage process. The developed synthetic approach employs hazard‐free aminophosphine chemistry in a noncoordinating solvent.
Ranjana Yadav, Céline Rivaux, Céline Nayral, Fabien Delpech, Peter Reiss   +4 more
wiley   +1 more source

Matrix‐Isolation Electron Paramagnetic Resonance Studies of Radical Ions and Neutral Radicals Generated by Radiolysis of Organic Molecules at Cryogenic Temperatures

The Chemical Record, EarlyView.
By selecting an appropriate matrix and irradiating the matrix containing a trace amount of solute at low temperatures, ionic or neutral radicals derived from the solute can be generated and trapped in the matrix. EPR spectroscopy of these samples yields highly detailed information on the radicals, inaccessible by other experimental techniques. Electron
Kenji Komaguchi
wiley   +1 more source