Yazar "Hacısalihoğlu, Muammer Yasin" için listeleme
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Effect of substitution and heat treatment route on polycrystalline FeSe0.5Te0.5 superconductors
Hacısalihoğlu, Muammer Yasin; Yanmaz, Ekrem (Springer, 2013)The effect of atomic substitution of Te in iron based superconductors FeSe (1: 1 type), which exhibits the simplest crystal structure among the iron-based superconductors, has been investigated in terms of structural, ... -
The electronic structure of Ag1-xSn1+xSe2 (x=0.0, 0.1, 0.2, 0.25 and 1.0)
Wakita, Takanori; Paris, Eugenio; Kobayashi, Kaya; Terashima, Kensei; Hacısalihoğlu, Muammer Yasin; Ueno, Teppei; Bondino, Federica; Muraoka, Yuji; Yokoya, Takayoshi; Saini, Naurang L. (Royal Soc Chemistry, 2017)We have studied the valence electronic structure of Ag1-xSn1+xSe2 (x = 0.0, 0.1, 0.2, 0.25) and SnSe (x = 1.0) by a combined analysis of X-ray absorption spectroscopy (XAS) and X-ray photoemission spectroscopy (XPS) ... -
The local structure and magnetic correlations in La(Fei(1-x)Mn(x))AsO system
Hacısalihoğlu, Muammer Yasin; Paris, Eugenio; Simonelli, Lucia; Joseph, Boby; Provino, Alessia; Lamura, Gianrico; Martinelli, Alberto; Manfrinetti, Pietro; Aquilanti, Giuliana; Öztürk, Kemal; Dore, P.; Putti, M.; Saini, Naurang L. (Pergamon-Elsevier Science Ltd, 2019)The local structure of La(Fei(1-x)Mn(x))AsO, showing suppression of long-range magnetic order by Mn-substitution, has been studied. Extended X-ray absorption fine structure (EXAFS) measurements at As K-edge and Fe K-edge ... -
Local structure displacements in La1-xCex OBiSSe as a function of Ce substitution
Pugliese, Gian Marco; Stramaglia, Federico; Capone, Federico G.; Hacısalihoğlu, Muammer Yasin; Kiyama, Ryosuke; Sogabe, Ryota; Goto, Yosuke; Pollastri, Simone; De Souza, Danilo Oliveira; Olivi, Luca; Mizokawa, Takashi; Mizuguchi, Yoshikazu; Saini, Naurang Lal (Pergamon-Elsevier Science Ltd, 2020)We have investigated the local structure of layered La1-xCexOBiSSe system by Bi L-3 -edge extended X-ray absorption fine structure (EXAFS) measurements for different Ce substitutions. Ce L-3-edge X-ray absorption spectroscopy ... -
Mn substitution effect on the local structure of La(Fe1-xMnx)AsO studied by temperature dependent x-ray absorption measurements
Hacısalihoğlu, Muammer Yasin; Simonelli, Laura; Marini, Carlo; Provino, Alessia; Martinelli, Alberto; Manfrinetti, Pietro; Saini, Naurang Lal (IOP Publishing, 2021)The local structure of La(Fe1-xMnx)AsO has been investigated using temperature dependent Fe K-edge extended x-ray absorption fine structure (EXAFS) measurements. The EXAFS data reveal distinct behavior of Fe-As and Fe-Fe ... -
The nanoscale structure and unoccupied valence electronic states in FeSe1-xTex chalcogenides probed by X-ray absorption measurements
Hacısalihoğlu, Muammer Yasin; Paris, Eugenio; Joseph, Boby; Yanmaz, Ekrem; Saini, Naurang L. (Royal Soc Chemistry, 2015)We have studied the nanoscale structure and unoccupied electronic states in FeSe1-xTex by a combined analysis of Se K, Te L-1 and Fe K-edges X-ray absorption measurements. Extended X-ray absorption fine structure (EXAFS) ... -
Role of the local structure in superconductivity of LaO0.5F0.5BiS2-xSex system
Paris, Eugenio; Mizuguchi, Yoshikazu; Hacısalihoğlu, Muammer YAsin; Hiroi, Takafumi; Joseph, Boby; Aquilanti, Giuliana; Miura, Osuke; Mizokawa, Takashi; Saini, Naurang Lal (Iop Publishing Ltd, 2017)We have studied the local structure of LaO0.5F0.5BiS2-xSex by Bi L-1-edge extended x-ray absorption fine structure (EXAFS). We find a significant effect of Se substitution on the local atomic correlations with a gradual ... -
A study of temperature dependent local atomic displacements in a Ba(Fe1-xCox)(2)As-2 superconductor
Hacısalihoğlu, Muammer Yasin; Paris, Eugenio; Joseph, Boby; Simonelli, Laura; Sato, Taku J.; Mizokawa, Takashi; Saini, Naurang L. (Royal Soc Chemistry, 2016)We have studied the local structure of a Ba(Fe1-xCox)(2)As-2 superconductor using temperature dependent extended X-ray absorption fine structure (EXAFS) measurements. Polarized EXAFS at the Fe K-edge on an optimally doped ... -
Superconducting properties and electronic structure of CuAl2-type transition-metal zirconide Fe1-xNixZr2
Shimada, Ryunosuke; Watanabe, Yuto; Tortora, Lorenzo; Tomassucci, Giovanni; Hacısalihoğlu, Muammer Yasin; Arima, Hiroto; Yamashita, Aichi; Miura, Akira; Moriyoshi, Chikako; Saini, Naurang L.; Mizuguchi, Yoshikazu (Elsevier, 2024)CuAl2-type transition-metal (Tr) zirconides are a superconductor family, and the Tr-site element substitution largely modifies its transition temperature (Tc). Here, we synthesized polycrystalline samples of Fe1-xNixZr2 ... -
Temperature dependent local atomic displacements in NaSn2As2 system
Pugliese, Gian Marco; Stramaglia, Federico; Goto, Yosuke; Terashima, Kensei; Simonelli, L.; Fujiwara, H.; Puri, Alessandro; Carlo Marini; Hacısalihoğlu, Muammer Yasin; D'acapito, Francesco; Yokoya, Takayoshi; Mizokawa, Takashi; Mizuguchi, Yoshikazu; Saini, Naurang L. (Iop Publishing Ltd, 2019)NaSn(2)As(2 )is mechanically exfoliable layered van der Waals (vdW) Zintl phase that is getting interesting due to its low thermal conductivity and recently observed superconductivity. Here, we have investigated the ...
