Results 41 to 50 of about 9,958,602 (243)

Breakdown of the scaling relation of anomalous Hall effect in Kondo lattice ferromagnet USbTe

open access: yesNature Communications, 2023
The interaction between strong correlation and Berry curvature is an open territory of in the field of quantum materials. Here we report large anomalous Hall conductivity in a Kondo lattice ferromagnet USbTe which is dominated by intrinsic Berry ...
Hasan Siddiquee   +13 more
doaj   +1 more source

Holographic impurities and Kondo effect

open access: yes, 2016
Magnetic impurities are responsible for many interesting phenomena in condensed matter systems, notably the Kondo effect and quantum phase transitions. Here we present a holographic model of a magnetic impurity that captures the main physical properties ...
Erdmenger, Johanna   +14 more
core   +1 more source

Nonmonotonic Enhancement of Electro‐Optic Properties of Wurtzite AlN Thin Films by Sc Doping

open access: yesAdvanced Electronic Materials, EarlyView.
EO coefficient, rc, for Sc‐AlN thin films in comparison with that for Mg ZnO thin films (left). Calculated electric field intensity of the fundamental mode supported by the active area that includes Sc‐AlN (right). ABSTRACT Wurtzite ferroelectrics, such as Sc‐doped AlN, have recently attracted considerable attention for their potential in realizing ...
K. Abe   +11 more
wiley   +1 more source

Low‐Field Giant Dielectric Tunability by Polaron‐Mediated Interfacial Polarization in Pulsed‐Laser‐Deposited‐Nanocrystalline/Amorphous Composite BaTiO3 Thin Films

open access: yesAdvanced Electronic Materials, EarlyView.
Comparison of tunability efficiency between vacuum‐deposited PLD‐BTO films grown at Td = 550°C in the present study and representative previous reports. ABSTRACT Electrically tunable dielectric thin films are essential components for next‐generation low‐voltage electronic devices.
Shinya Kondo   +7 more
wiley   +1 more source

Self-Doping and the Mott-Kondo Scenario for Infinite-Layer Nickelate Superconductors

open access: yesFrontiers in Physics, 2022
We give a brief review of the Mott-Kondo scenario and its consequence in the recently-discovered infinite-layer nickelate superconductors. We argue that the parent state is a self-doped Mott insulator and propose an effective t- J-K model to account for ...
Yi-feng Yang   +4 more
doaj   +1 more source

Short‐Term Outcomes of Transanal Total Mesorectal Excision for Rectal Cancer: A Multicenter Propensity Score‐Matched Analysis Comparing Patients With and Without Preoperative Neoadjuvant Therapy

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
ABSTRACT Aim To evaluate the association between preoperative neoadjuvant therapy and short‐term outcomes of transanal total mesorectal excision for rectal cancer. Methods We retrospectively analyzed patients who underwent transanal total mesorectal excision at 26 Japanese institutions between 2012 and 2019.
Takafumi Shima   +57 more
wiley   +1 more source

Foldilecanium Kondo 2011

open access: yes, 2011
Key to separate the known species of Foldilecanium Kondo 1. Stigmatic setae bulbose and/or spinose with sharp or rounded tips, totaling 3 (rarely 2 or 4) per stigmatic cleft; marginal setae bluntly to sharply spinose.....................................
Kondo, Takumasa
core   +1 more source

An unusual interplay among disorder, Kondo-effect and spin glass behavior in the Kondo lattices Ce2Au1-xCoxSi3 [PDF]

open access: yes, 2001
We report the results of magnetic measurements for the solid solution Ce2Au1−xCoxSi3. The results reveal that this solid solution is characterized by a magnetic phase diagram (plot of magnetic transition temperature versus x) unusual for Kondo ...
Majumdar, S.   +12 more
core   +1 more source

Local Recurrence and Oncological Outcomes After Transanal Total Mesorectal Excision With Intersphincteric Resection for Lower Rectal Cancer: A Nationwide Multicenter Cohort Study (Ta‐Ta‐Mi Study)

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
The 3‐year local recurrence (LR), recurrence‐free survival, and overall survival rates were 7.3%, 79.5%, and 98.1%, respectively. Multivariable analysis identified circumferential resection margin (CRM)/radial margin (RM) positivity as an independent risk factor for LR.
Kan Tanabe   +12 more
wiley   +1 more source

Tunable Kondo Effect in a Single Donor Atom

open access: yes, 2016
The Kondo effect has been observed in a single gate-tunable atom. The measurement device consists of a single As dopant incorporated in a silicon nanostructure. The atomic orbitals of the dopant are tunable by the gate electric field. When they are tuned
N. Collaert (2320081)   +6 more
core   +1 more source

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