Publikationen

2024

D. Kohlmann, M. Schewe, H. Wuflmeier, C. Rembe, H. Fritze;
Extraction of nanometer-scale displacements from noisy signals at frequencies down to 1 mHz obtained by differential laser Doppler vibrometry;
Journal of Sensors and Sensor Systems Vol. 13, Issue 2, pp. 167-177

C. Kofahl, S. Ganschow, F. El Azzouzi, H. Fritze, H. Schmidt,
Li-Diffusion in Lithium Niobate - Tantalate Solid Solutions,
Solid State Ionics 409 (2024) 116514; doi.org/10.1016/j.ssi.2024.116514

A. Pfannstiel, T. Hehemann, N. A. Schäfer, S. Sanna, Y. Suhak, L. Vittadello, F. Sauerwein, N. Dömer, J. Koelmann, H. Fritze, M. Imlau,
Small Electron Polarons Bound to Interstitial Tantalum Defects in Lithium Tantalate,
Journal of Physics: Condensed Matter (2024), doi.org./10.1088/1361-648X/ad4d47

F. Bernhardt, L. M. Verhoff, N. A. Schäfer, A. Kapp, C. Fink, W. Al Nachwati, U. Bashir, D. Klimm, F. El Azzouzi, U. Yakhnevych, Y. Suhak, H. Schmidt, K.-D. Becker, S. Ganschow, H. Fritze, S. Sanna,
Ferroelectric to Paraelectric Structural Transition in LiTaO3 and LiNbO3,
Phys. Rev. Materials 8 (2024) 054406, doi.org/10.1103/PhysRevMaterials.8.054406

U. Yakhnevych, V. Sargsyan, F. El Azzouzi, A. Kapp, F. Bernhardt, Y. Suhak, S. Ganschow, H. Schmidt, S. Sanna, H. Fritze,
Acoustic Loss in Li(Nb,Ta)O3 at Temperatures up to 900°C,
Physica Status Solidi A (2024) 2400106, doi.org/10.1002/pssa.202400106

C. Kofahl, J. Uhlendorf, B. A. Muscutt, M. N. Pionteck, S. Sanna, H. Fritze, S. Ganschow, H. Schmidt;
Oxygen Diffusion in Li(Nb,Ta)O3 Single Crystals;
Physica Status Solidi A (2024) 2300959, doi.org/10.1002/pssa.202300959

É.Tichy-Rács, S. Hurskyy, U. Yakhnevych, S. Ganschow, P. Gaczyński, K.-D. Becker, H. Fritze, Y. Suhak,
Influence of Li-Stoichiometry on Electrical and Acoustic Properties and Temperature Stability of Li(Nb,Ta)O3 Solid Solutions up to 900 °C,
Physica Status Solidi A (2024), doi.org/10.1002/pssa.202300962

F. El Azzouzi, D. Klimm, A. Kapp, L. M. Verhoff, N. A. Schäfer, S. Ganschow, K.-D. Becker, S. Sanna, H. Fritze,
Evolution of the Electrical Conductivity of LiNb1-XTaXO3 Solid Solutions across the Ferroelectric Phase Transformation,
Physica Status Solidi A (2024) 202400966, doi.org/10.1002/pssa.202300966

P. Gaczyński, Y. Suhak, S. Ganschow, S. Sanna, H. Fritze, K.-D. Becker,
High-Temperature Optical Spectroscopy Study of the Fundamental Absorption Edge in LiNbO3-LiTaO3 Solid Solutions;
Physica Status Solidi A (2024) 2300972, doi.org/10.1002/pssa.202300972

U. Yakhnevych, F. El Azzouzi, F. Bernhardt, C. Kofahl, Y. Suhak, S. Sanna, K. D. Becker, H. Schmidt, S. Ganschow, H. Fritze;
Oxygen Partial Pressure and Temperature Dependent Electrical Conductivity of Lithium Niobate Tantalate Solid Solutions,
Solid State Ionics 407 (2024) 116487; doi.org/10.1016/j.ssi.2024.116487

C. Kofahl, L. Dörrer, H. Wulfmeier, H. Fritze, St. Ganschow, H. Schmidt;
Hydrogen Diffusion in Li(Nb,Ta)O3 Single Crystals Probed by Infrared Spectroscopy and Secondary Ion Mass Spectrometry;
Chem. Mater. 36,3 (2024) 1639; doi.org/10.1021/acs.chemmater.3c02984

2023

S. Hurskyy, U. Yakhnevych, C. Kofahl, É. Tichy-Rács, H. Schmidt, S. Ganschow, H. Fritze, Y. Suhak,
Electrical Properties and Temperature Stability of Li-Deficient and Near Stoichiometric Li(Nb,Ta)O3 Solid Solutions up to 900 °C,
Solid State Ionics 399 (2023) 116285, doi.org/10.1016/j.ssi.2023.116285

D. Kohlmann, H. Wulfmeier, M. Schewe, T. Defferriere, C. Rembe, H.L. Tuller, H. Fritze,
High-temperature chemical expansion of Pr0.1Ce0.9O2-δ thin films determined by Differential Laser Doppler Vibrometry
Solid State Ionics, doi.org/10.1016/j.ssi.2023.116151

C. Kofahl, L. Dörrer, H. Fritze, H. Schmidt;
Hydrogen Diffusion in Proton-Exchanged Congruent Lithium Niobate during Post-Annealing;
Solid State Ionics 403 (2023) 116383, doi.org/10.1016/j.ssi.2023.116383

C. Kofahl, L. Dörrer, B. Muscutt, S. Sanna, S. Hurskyy, U. Yakhnevych, Y. Suhak, H. Fritze, S. Ganschow, H. Schmidt;
Li Self-Diffusion and Ion Conductivity in Congruent LiNbO3 and LiTaO3 Single Crystals;
Phys. Rev. Mater. 7 (2023) 033403, doi.org/10.1103/PhysRevMaterials.7.033403

U. Yakhnevych, C. Kofahl, S. Hurskyy, S. Ganschow, Y. Suhak, H. Schmidt, H. Fritze;
Charge Transport and Acoustic Loss in Lithium Niobate-Lithium Tantalate Solid Solutions at Temperatures up to 900 °C;
Solid State Ionics 392 (2023) 116147, doi.org/10.1016/j.ssi.2023.116147

D. Kohlmann, H. Wulfmeier, M. Schewe, I. Kogut, C. Steiner, R. Moos, C. Rembe, H. Fritze:
Chemical expansion of CeO22d and Ce0.8Zr0.2O22d thin films determined by laser Doppler vibrometry at high temperatures and different oxygen partial pressures;
Journal of Materials Science, DOI:10.1007/s10853-022-07830-4

Y. Suhak, D. Roshchupkin, B. Redkin, A. Kabir, B. Jerliu, S. Ganschow, H. Fritze;
Correlation of Electrical Properties and Acoustic Loss in Single Crystalline Lithium Niobate-Tantalate Solid Solutions at Elevated Temperatures;
Crystals 11 (2021) 398, doi.org/10.3390/cryst11040398

O. Buryy, I. Syvorotka, Y. Suhak, U. Yakhnevych, D. Sugak, S. Ubizskii, H. Fritze;
Determination of Optimal Crystallographic Orientations for LiNbO3 and LiTaO3 Bimorph Actuators;
Journal of Sensors and Sensor Systems 10 (2021) 121, doi.org/10.5194/jsss-10-121-2021

2022

H. Wulfmeier, N. Warnecke, L. Pasquini, H. Fritze, P. Knauth,
In situ analysis of hydration and ionic conductivity of sulfonated poly(ether ether ketone) thin films using an interdigitated electrode array and a nanobalance,
J. Sens. Sens. Syst. 11 (2022) 51-59; doi.org/10.5194/jsss-11-51-2022.

M. Schulz, R. Ghanavati, F. Kohler, J. Wilde, H. Fritze,
Electromechanical properties of housed piezoelectric CTGS resonators at high temperatures – Modeling of housing influence,
Technisches Messen, 2022; https://www.degruyter.com/document/doi/10.1515/teme-2022-0028/html

F. Kohler, M. Farina, M. Schulz, H. Fritze, J. Wilde,
Assembly and Interconnection Technology for High-Temperature Bulk Acoustic Wave Resonators,
Journal of Sensors and Sensor Systems 11 (2022) 83-97; doi.org/10.5194/jsss-11-83-2022.

C. Steiner, G. Hagen, I. Kogut, H. Fritze, R. Moos;
Analysis of defect chemistry and microstructural effects of non-stoichiometric ceria by the high-temperature microwave cavity perturbation method;
J. Eur. Ceram. Soc. 42 (2022) 499-511. doi:10.1016/j.jeurceramsoc.2021.08.053

S.Schlack, H.Wulfmeier, H. Fritze
Impact of electrode conductivity on mass sensitivity of piezoelectric resonators at high temperatures
J. Sens. Sens. Syst., 11, 299–313, 2022; doi.org/10.5194/jsss-11-299-2022

H. Wulfmeier, D. Kohlmann, T. Defferriere, C. Steiner, R. Moos, H. L. Tuller, H. Fritze,
Thin-Film Chemical Expansion of Ceria based Solid Solutions: Laser Vibrometry Study;
Phys. Chem. 236 (2022) 1013-1053; doi.org/10.1515/zpch-2021-3125

2021

D. Kohlmann, H. Wulfmeier, M. Schewe, C. Rembe, H. Fritze,
Chemische Ausdehnung von Sensor- und Elektrolytmaterialien bei hohen Temperaturen,
15. Dresdner Sensor-Symposium 2021 (2021) 112/1-6; doi.org/10.5162/15dss2021/7.2

Michal Schulz, Rezvan Ghanavati, Fabian Kohler, Jürgen Wilde, Holger Fritze;
High-temperature behaviour of housed piezoelectric resonators based on CTGS,
J. Sens. Sens. Syst., 10, 2021, 271–279, doi.org/10.5194/jsss-10-271-2021

Y. Suhak, D. Roshchupkin, B. Redkin, A. Kabir, B. Jerliu, S. Ganschow, H. Fritze,
Correlation of Electrical Properties and Acoustic Loss in Single Crystalline Lithium Niobate-Tantalate Solid Solutions at Elevated Temperatures,
Crystals 11 (2021) 398; doi.org/10.3390/cryst11040398

A. Sotnikov, B. Sorokin, N. Asafiev, D. Shcherbakov, G. Kvashnin, Y. Suhak, H. Fritze, M. Weihnacht, H. Schmidt,
Microwave Acoustic Attenuation in CTGS Single Crystals,
IEEE Trans Ultrason Ferroelectr Freq Control. 2021 Jun 28; 10.1109/TUFFC.2021.3092831.

M. Demyanyshyn, Yu. Suhak, B. G. Mytsyk, О. А. Buryy, Yu. Ya. Маksishko, D. Sugak, H. Fritze,
Anisotropy of piezo-optic and elasto-optic effects in langasite family crystals,
Optical Materials 119 (2021) 111284; doi.org/10.1016/j.optmat.2021.111284

L. Vasylechko, V. Sydorchuk, A  Lakhnik, Y. Suhak, D. Wlodarczyk, S.  Hurskyy, U. Yakhnevych, Y. Zhydachevskyy, D. Sugak, I. Syvorotka, I.  Solskii, O. Buryy, A. Suchocki, Holger Fritze,
Investigations of LiNb1-xTaxO3 nanopowders obtained with mechanochemical method,
Crystals 2021 (11) 755; doi.org/10.3390/cryst11070755

O. Buryy, I. I. Syvorotka, Y. Suhak, U. Yakhnevych, D. Sugak, S. Ubizskii, H. Fritze,
Determination of optimal crystallographic orientations for LiNbO3 and LiTaO3 bimorph actuators,
J. Sens. Sens. Syst. 10 (2021) 121-126; -2021; doi.org/10.5194/jsss-10-121-2021

A. Krampf, M. Imlau, Y. Suhak, H. Fritze, S. Sanna,
Evaluation of Similarities and Differences of LiTaO3 and LiNbO3 based on High-T-Conductivity, Nonlinear Optical fs-Spectroscopy and Ab Initio Modeling of Polaronic Structures,
New J. Phys 23 (2021) 033016; doi.org/10.1088/1367-2630/abe3ac

Yu. Suhak, H. Fritze, A. Sotnikov, H. Schmidt, and W. L. Johnson,
High-temperature electromechanical loss in piezoelectric langasite and catangasite crystals,
J. Appl. Phys 130 (2021) 085102; doi.org/10.1063/5.0058751

I. Kogut, A. Wollbrink, C. Steiner, H. Wulfmeier, F.-E. El Azzouzi, R. Moos, H. Fritze
Linking the Electrical Conductivity and Non-Stoichiometry of Thin Film Ce1−xZrxO2−δ by a Resonant Nanobalance Approach
Materials 2021, 14, 748 (1-26); doi.org/10.3390/ma14040748

I. Kogut, C. Steiner, H. Wulfmeier, A. Wollbrink, G. Hagen, R. Moos, H. Fritze,
Comparison of the electrical conductivity of bulk and film Ce1–xZrxO2–δ in oxygen-depleted atmospheres at high temperatures
J Mater Sci 56 (2021) 17191–17204; doi.org/10.1007/s10853-021-06348-5

A. Krampf, M. Imlau, Y. Suhak, H. Fritze, S. Sanna,
Evaluation of similarities and differences of LiTaO3 and LiNbO3 based on high-T-conductivity, nonlinear optical fs-spectroscopy and ab initio modeling of polaronic structures,
New J. Phys. (2021) in press; doi.org/10.1088/1367-2630/abe3ac

2020

R. Kowarsch, Y. Suhak, L. C. Eduarte, M. Mansour, F. Meyer, A. Peschel, H. Fritze, C. Rembe, D. Johannsmann,
Compressional-Wave Effects in the Operation of a Quartz Crystal Mcrobalance in Liquids: Dependence on Overtone Order,
Sensors 20 (2020) 2535; doi.org/10.3390/s20092535.

B. Mytsyk, Y. Suhak, N. Demyanyshyn, O. Buryy, N. Syvorotka, D. Sugak, S. Ubizskii, H. Fritze
Full set of piezo-optic and elasto-optic coefficients of Ca3TaGa3Si2O14 crystals at room temperature.
Appl Opt. 59 (2020) 8951-8958; doi.org/10.1364/AO.398428

D. Roshchupkin, E. Emelin, O. Plotitcyna, F. Rashid, D. Irzhak, V. Karandashev, T. Orlova, N. Targonskaya, S. Sakharov, A. Mololkin, B. Redkin, H. Fritze, Y. Suhak, D. Kovalev, S. Vadilonga, L. Ortega, W. Leitenberger, 
Single crystals of ferroelectric lithium niobate–tantalate LiNb1–xTaxO3 solid solutions for high-temperature sensor and actuator applications,
Acta Cryst. B 76 (2020) 1071-1076. soi.org/10.1107/S2052520620014390

C. Steiner, S. Walter, V. Malashchuk, G. Hagen, I. Kogut, H. Fritze, R. Moos
Determination of the Dielectric Properties of Storage Materials for Exhaust Gas Aftertreatment Using the Microwave Cavity Perturbation Method
Sensors 2020, 20(21), 6024 (1-18).; doi.org/10.3390/s20216024.

H. Wulfmeier, R. Feder, L. Zhao, H. Fritze,
High-temperature stable piezoelectric transducers using epitaxially grown electrodes,
Journal of Sensors and Sensor Systems, 9 (2020) 15–26; doi.org/10.5194/jsss-9-15-2020

J. Ebel, C. Schilling, H. Fritze,
Optimization of soot deposition by high-temperature prepolarization of a resistive particulate matter sensor,
J. Sens. Sens. Syst. 9 (2020) 263–271; doi.org/10.5194/jsss-9-263-2020

M. Schewe, D. Kohlmann, H. Wulfmeier, H. Fritze und C. Rembe,
Methoden zur Minimierung des Rauscheinflusses durch Hitzeflimmern bei einem heterodynen Laser-Doppler-Vibrometer,
tm – Technisches Messen 2020; 87(S1): S44–S49; doi.org/10.1515/teme-2020-0023

vor 2020 (Auszug)

Y. Suhak, W. L. Johnson, A. Sotnikov, H. Schmidt, and H. Fritze;
Transport and Electromechanical Properties of Ca3TaGa3Si2O14 Piezoelectric Crystals at Extreme Temperatures;
MRS Advances 4, (2019) 515-521.  doi.org/10.1557/adv.2019.16

Iu. Kogut, C. Hartmann, I. Gamov, Yu. Suhak, M. Schulz, S. Schröder, J. Wollweber, A .Dittmar, K. Irmscher, T. Straubinger, M. Bickermann, H.  Fritze;
Electromechanical losses in carbon- and oxygen-containing bulk AlN single crystals;
Solid State Ionics 343 (2019) 115072, doi.org/10.1016/j.ssi.2019.115072

I. Gamov, C. Hartmann, J. Wollweber, A. Dittmar, T. Straubinger, M. Bickermann, I. Kogut, H. Fritze, K. Irmscher;
Carbon pair defects in aluminum nitride;
 J. Appl. Phys. 126 (2019) 215102, doi.org/10.1063/1.5123049

H. Wulfmeier, R. Feder, L. Zhao und H. Fritze;
Epitaxial Piezoelectric Langasite Thin Films for High-Temperature Application;
MRS Advances, 4 (2019) 523–529, doi.org/10.1557/adv.2019.90

S. Schröder, H. Fritze, S. Bishop, D. Chen, H. L. Tuller;
Thin-Film Thermogravimetry Applied to Praseodymium-Cerium Oxide Films at High Temperatures;
Appl. Phys. Lett. 112 (2018) 213502, doi.org/10.1063/1.5025389

S. Schmidtchen, H. Fritze, S. Bishop, D. Chen, H. L. Tuller;
Chemical Expansion of Praseodymium-Cerium Oxide Films at High Temperatures;
Solid State Ionics 319 (2018) 61-67, doi.org/10.1016/j.ssi.2018.01.033

Yu. Suhak, M. Schulz, W. L. Johnson, A. Sotnikov, H. Schmidt, H. Fritze;
Electromechanical Properties and Charge Transport of Ca3TaGa3Si2O14 (CTGS) Single Crystals at Elevated Temperatures;
Solid State Ionics 317 (2018) 221-228, doi.org/10.1016/j.ssi.2018.01.032

Yu. Suhak, M. Schulz, A. Sotnikov, H. Schmidt and H. Fritze,
Electrical, Electromechanical and Piezoelectric Properties of Ca3TaGa3Si2O14 Resonators at Elevated Temperatures;
Acta Physica Polonica A, 133 (2018) 497-501, doi.org/10.12693/APhysPolA.133.1069

O. Pekinchak, D. Yu. Sugak, S. B. Ubizskii, Yu. Suhak, H. Fritze, L. Vasylechko;
Thermal Behaviour of PrCo1−xFexO3 Probed by X-ray Synchrotron Powder Diffraction and Impedance Spectroscopy Measurements;
Acta Physica Polonica A 133 (2018) 798-801, doi.org/10.12693/APhysPolA.133.798

A. Omelcenko, H. Wulfmeier, H. Fritze;
Planare resonante Temperatursensoren für die Hochtemperatur-Dünnschichtkalorimetrie (Planar resonant temperature sensors for high temperature thin-film calorimetry);
tm – Technisches Messen, 85 (2018) 1–12, doi.org/10.1515/teme-2017-0084

A. Omelcenko, H. Wulfmeier, D. Albrecht, W. El Mofid, S. Ivanov, A. Bund, H. Fritze;
Thin-Film Calorimetry: In-Situ-Characterization of Materials for Lithium-Ion Batteries;
Int. J. Mat. Res. 108 (2017) 904-919.

M. Schulz, T. Orland, A. Mehlmann, A. Rothschild, H. Fritze;
Oxygen transport in epitaxial SrTiO3/SrTi1−xFexO3 multilayer stacks;
J. Sens. Sens. Syst. 6 (2017) 107-119, doi.org/10.5194/jsss-6-107-2017

Yu. Suhak, M. Schulz, A. Sotnikov, H. Schmidt, S. Ganschow, S. Sakharov, H. Fritze;
Dielectric, piezoelectric and elastic constants of Ca3TaGa3Si2O14 single crystals at elevated temperatures;
Integrated Ferroelectrics 184 (2017) 1-9, doi.org/10.1080/10584587.2017.1370267

D. Sugak, I. Syvorotka, O. Buryy, U. Yakhnevych, I. Solskii, N. Martynyuk, Yu. Suhak, A. Suchocki, Ya. Zhydachevskii, R. Jakiela, S. Ubizskii, G. Singh, V. Janyani;
Spatial distribution of optical coloration in single crystalline LiNbO3 after high-temperature H2/air treatments;
Optical Materials 70 (2017) 106-115, doi.org/10.1016/j.optmat.2017.05.022

D. Sugak, I. Syvorotka, O. Buryy, U. Yachnevych, I. Solskii, N. Martynyuk, Yu. Suhak, G. Singh, V. Janyani, and S. Ubizskii;
Spatial distribution of LiNbO3 single crystals optical properties changes after redox high-temperature treatment;
IOP Conf. Ser.: Mater. Sci. Eng. 169 (2017) 012019, doi.org/0.1088/1757-899X/169/1/012019

M. Weihnacht, A. Sotnikov, Yu. Suhak, H. Fritze, H. Schmidt;
Accuracy Analysis and Deduced Strategy of Measurement Applied to Ca3TaGa3Si2O14 CTGS Material Characterization;
Proc. 2017 IEEE Int. Ultrasonics Symp. (2017), doi.org/10.1109/ULTSYM.2017.8092688

D. Albrecht, H. Wulfmeier, H. Fritze;
Preparation and characterization of c-LiMn2O4 thin films prepared by pulsed laser desposition for Lithium-ion batteries;
Energy Technology, 4, 1-8 (2016), doi.org/10.1002/ente.201600117

H. Wulfmeier, A. Omelcenko, D. Albrecht, D. Klimm, W. El Mofid, M. Strafela, S. Ulrich, A. Bund, H. Fritze;
Thermal stability of materials for thin-film electrochemical cells investigated by thin-film calorimetry;
MRS Advances, 1, 1043_1049 (2016), doi.org/10.1557/adv.2016.72

Yu. Suhak, M. Schulz, H. Wulfmeier, W.L. Johnson, A. Sotnikov, H. Schmidt, S. Ganschow, D. Klimm, H. Fritze;
Langasite-Type Resonant Sensors for Harsh Environments;
MRS Advances, 1, 1513-1518 (2016), doi.org/10.1557/adv.2016.109

M. Schulz, E. Mayer, I. Shrena, D. Eisele, M. Schmitt, L. M. Reindl, H. Fritze;
Correla-tion of BAW and SAW properties of langasite at elevated temperatures;
J. Sens. Sens. Syst. 4 (2015) 331–340, doi.org/10.5194/jsss-4-331-2015

H. Wulfmeier, D. Albrecht, J. Fischer, S. Ivanov, A. Bund, S. Ulrich, H. Fritze;
Thin-Film Calorimetry: Analytical Tool für In-Situ Characterization of Lithium Ion Batteries;
Journal of The Electronical Society (2015) A727-A736, soi.org/10.1149/2.0741504jes

Y. Suhak, M. Schulz, D. Richter, H. Fritze;
High- Temperature Acoustical and Electrical Properties of LGS, LGT und CTGS;
Solid State Phenomena 230 (2015) 267-272, doi.org/10.4028/www.scientific.net/SSP.230.267

A. Yatsenko, A. Pritulenko, S. Yevdokimov, D. Sugak, I. Syvorotka, Yu. Suhak, I. Solskii, M. Vaktiv;
The Influence of Annealing in Saturated Water Vapor on LiNbO3 Crystals Optical and Electrical Properies;
Solid State Phenomena 230 (2015) 233-237, doi.org/10.1109/OMEE.2014.6912403

M. Körner, M. Schulz, M. H. Fritze, Ch. Stenzel;
Control of partial pressure of oxygen in the ppm range based on a two metal-oxide buffer system;
Sensors and Actuators B: Chemical Volume 190 (2014) 702-706, doi.org/10.1016/j.snb.2013.09.003

W.L. Johnson, M. Schulz, H. Fritze;
High-temperature electroacoustic characterization of Y-cut and singly-rotated Ca3TaGa3Si2O14 resonators;
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Volume: 64 (2014) 1433-1441, doi.org/10.1109/tuffc.2014.3052

M. Schulz, H. Fritze, W.L. Johnson,;
High-Temperature Electromechanical Properties of CTGS,;
MRS Proceedings Volume 1655 (2014), doi.org/10.1557/opl.2014.411

S. Ivanov, L. Cheng, H. Wulfmeier, D. Albrecht, H. Fritze, A. Bund;
Electrochemical behavior of anodically obtained titania nanotubes inorganic carbonate and ionic liquid based Li ion containing electrolytes;
Electrochimica Acta 104 (2013) 228-235, doi.org/10.1016/j.electacta.2013.04.115

D. Albrecht, H. Wulfmeier, S. Ivanov, A. Bund, H. Fritze;
Synthesis of Different Molybdenum Disulfide Nanostructures and their Applicability in Lithium Ion Batteries with Ionic Liquid Electrolytes;
MRS Proceed. (2013) 1496, doi.org/10.1557/opl.2013.126

D. Albrecht, H. Wulfmeier, S. Ivanov, A. Bund, H. Fritze;
Elecrochemical Performance of Ionic Liquid - Molybdenum Disulfide Li-Ion Batteries;
Journal of Applied Electrochemistry 43 (2013) 559-565, doi.org/10.1007/s10800-013-0548-z

D. Richter, M. Schulz, S. Sakharov, Z.J. Davis, H. Fritze;
Surface Acoustic Wave Devices: Materials Stability in Harsh Environments;
MRS Proceed. (2013) 1519, doi.org/10.1557/opl.2012.1716

S. Schmidtchen, D. Richter, J. Sauerwald, H. Fritze;
Miniaturized resonant sensors for harsh environments;
Proc. SPIE 8725, Micro- and Nanotechnology Sensors, Systems, and Applications V (2013) 8725, 87250J, doi.org/10.1117/12.2015405

H. Wulfmeier, D. Albrecht, S. Ivanov, J. Fischer, R. Grieseler, P. Schaaf, S. Ulrich, A. Bund, H. Fritze;
Thin Film Calorimetry - Device Development and Application to Lithium Ion Battery Materials;
MRS Proceed. (2013) 1496, doi.org/10.1557/opl.2013.104

H. Wulfmeier, D. Albrecht, S. Ivanov, J. Fischer, S. Ulrich, A. Bund, H. Fritze;
High-temperature thin-film calorimetry: a newly developed method applied to lithium ion battery materials;
Journal of Materials Science (2013), doi.org/10.1007/s10853-013-7455-x

H. Fritze;
Successful Start of the DTM Seminar Series ”High-Temperature Sensors”;
Int. J. Mater. Res. 103 (2012) 522

A. Weidenfelder, H. Fritze, P. Fielitz, G. Borchardt, J. Shi, K. Becker,S. Ganschow;
Transport and Electromechanical Properties of Stoichiometric Lithium Niobate at High Temperatures;
Zeitschrift für Physikalische Chemie 226 (2012) 421-429, DOI: 10.1524/zpch.2012.0219

S. Schmidtchen, D. Richter, H. Fritze;
Variation of the vibration profile of piezoelectric resonant sensors with different electrode conductivity at high temperatures;
Sens. Act. B: Chemical (2012), DOI: 10.1016/j.snb.2012.11.015

S. Schaab, M. Schulz, H. Fritze, E.-A. Eichel, E. Erdem, C. Rüscher, S. Hummelt, T. Granzow;
Influence of reducing atmosphere on the defect chemistry of lead lanthanum zirconate titanate (8/65/35);
Solid State Ionics 228 (2012) 56-63, DOI: 10.1016/j.ssi.2012.09.003

B. Francois, D. Richter, H. Fritze, Z.J. Davis, C. Droit, B. Guichardaz, V. Petrini, G. Martin, J.-M. Friedt, S. Ballandras;
Wireless and passive sensors for high temperature measurements;
Sensordevices (2012) 46-51,

M. Schulz, H. Fritze, C. Stenzel;
Measurement and Control of Oxygen Partial Pressure at Elevated Temperatures;
Proceedings of IMCS (2012) 1587-1590, DOI: 10.1016/j.snb.2013.02.115

A. Weidenfelder, J. Shi, P. Fielitz, G. Borchardt, K.D. Becker, H. Fritze;
Electrical and Electromechanicel Properties of Stoichiometric Lithium Niobate at High-Temperatures;
Solid State Ionics 225 (2012) 26-29, DOI: 10.1016/j.ssi.2012.02.026

M. Schulz, J. Brillo, C. Stenzel, H. Fritze;
Oxygen Partial Pressue Control for Microgravity Experiments
Solid State Ionics 225 (2012) 332-336; DOI: 10.1016/j.ssi.2012.04008

D. Richter, S. Sakharov, E. Forsén, E. Mayer, L. Reindl, H. Fritze;
Thin Film Electrodes for High Temperature Surface Acoustic Wave Devices;
Procedia Engineering 25 (2011) 168-25, 2011, 168-171, DOI: 10.1016/j.proeng.2011.12.042

H. Fritze;
High-Temperature piezoelelctric crystals and devices;
J. Electroceramics 26 (2011) 122-161; DOI: 10.1007/s10832-011-9639-6

P. Fielitz, O. Schneider, G. Borchardt, A. Weidenfelder, H. Fritze, J. Shi, K. D. Becker, S. Ganschow, R. Bertram;
Oxygen 18 Tracer Diffusion in Nearly Stoichiometric Single Crystalline Lithium Niobate;
Solid State Ionics 189 (2011) 1-6, DOI: 10.1016/j.ssi.2011.02.023

J. Shi, H. Fritze, G. Borchardt and K.-D. Becker;
Defect chemistry, redox kinetics and chemical diffusion in lithium deficient lithium niobate;
PCCP 13 (2011) 6925-6930, DOI: 10.1039/C0CP02703K

S. Schmidtchen, D. Richter, H. Xia, H. Fritze;
Film Conductivity Controlled Variation of the Amplitude Distribution of High-Temperature Resonators;
Mater. Res. Soc. Symp. Proc. 1299 (2011) 117-122, DOI: 10.1557/opl.2011.59

M. Schulz, J. Sauerwald, H. Seh, H. Fritze, Harry L. Tuller;
Defect Chemistry Based Design of Monolithic Langasite Structures for High Temperature Sensors;
Solid State Ionics 184 (2011) 78-82, DOI:10.1016/j.ssi.2010.08.009

H. Fritze;
High-temperature bulk acoustic wave sensors;
Meas. Sci. Technol. 22 (2011) 12002 (28pp), DOI: 10.1088/0957-0233/22/1/012002

J. Sauerwald, D. Richter, E. Ansorge, B. Schmidt, H. Fritze;
Langasite based miniaturized functional structures - Preparation, high-temperature properties and applications;
Phys. Status Solidi A 208 (2011) 390-403, DOI: 10.1002/pssa.201026639

E. Ansorge, B. Schmidt, J. Sauerwald, H. Fritze;
Langasite for microelectromechanical systems;
Phys. Status Solidi A 208 (2011) 377–389, DOI: 10.1002/pssa.201026508

J. Sauerwald, M. Schulz, D. Richter, H. Fritze;
Diffusion in High-temperature Piezoelectric Single Crystals;
ECS Transactions 25 (2010) 135-146, DOI: 10.1149/1.3315803

M. Schulz, D. Richter, J. Sauerwald, H. Fritze;
Solid State Sensors for Selective Gas Detection at High Temperatures – Principles and Challenges;
Integrated Ferroelectrics 115 (2010) 41-56.

C. H. Swanson, M. Schulz, H. Fritze, J. Shi, K.-D. Becker, P. Fielitz, G. Borchardt;
Examinations of High-Temperature Properties of Stoichiometric Lithium Niobate;
Diff. Fund. 12 (2010) 48-49, DOI: 10.1080/10584587.2010.488543

E. Ansorge, J. Sauerwald, H. Fritze, B. Schmidt;
Modeling of Energy Confinement of Plano-Convex Shaped Resonators for Applications at High Temperatures;
IEEE Sensors (2009) 209-212, DOI: 10.1109/ICSENS.2009.5398191.

M. Schulz, D. Richter, H. Fritze;
Material and Resonator Design Dependent Loss in Langasite Bulk Acoustic Wave Resonators at High Temperatures;
IEEE Ultrasonics (2009) 1676-1679, doi.org/10.1109/ULTSYM.2009.5441473

J. Sauerwald, M. Schulz, D. Richter, H. Fritze;
Micromachined piezoelectric structures for high-temperature sensors;
J. Electroceramics 22 (2009) 180-184, doi.org/10.1007/s10832-007-9363-4

M. Schulz, J. Sauerwald, D. Richter, H. Fritze;
Electromechanical properties and defect chemistry of high-temperature piezoelectric materials;
Ionics 15 (2009) 157-161; doi.org/10.1007/s11581-008-0284-2

E. Ansorge, S. Schimpf, S. Hirsch, B. Schmidt, J. Sauerwald, H. Fritze;
Piezoelectrically driven spherically contoured resonators in LGS for high temperature applications;
IEEE MEMS (2008) 669-672, doi.org/10.1109/MEMSYS.2008.4443745

D. Richter, J. Sauerwald, H. Fritze, E. Ansorge, B. Schmidt;
Miniaturized Resonant Gas Sensors for High-Temperature Applications;
IEEE Sensors (2008) 1536-1539; doi.org/10.1109/ICSENS.2008.4716740

J. Bardong, M. Schulz, M. Schmitt, I. Shrena, D. Eisele, E. Mayer, L. M. Reindl, H. Fritze;
Precise Measurements of BAW and SAW Properties of Langasite in the Temperature Range from 25 °C to 1000 °C;
IEEE Transactions on UFFC (2008) 326-331; soi.org/10.1109/FREQ.2008.4623013

G. Ohlendorf, D. Richter, J. Sauerwald, H. Fritze;
High-Temperature Electrical Conductivity and Electromechanical Properties of Stoichiometric Lithium Niobate;
Diff. Fund. 8 (2008) 6.1-6.7; Materials Science, Physics (2008)

E. Ansorge, S. Hirsch, B. Schmidt, J. Sauerwald, H. Fritze;
Design and Fabrication of High-Q Langasite Resonator Arrays for High Temperature Applications;
IEEE Transactions on UFFC (2008) 619-624; doi.org/10.1109/FREQ.2008.4623074

J. Sauerwald, D. Richter, E. Ansorge, B. Schmidt, H. Fritze;
Doped Monolithic Langasite Structures for High Temperature MEMS;
Solid State Ionics 179 (2008) 928-93; doi.org/10.1016/j.ssi.2008.02.049.

M. Schulz, H. Fritze;
Electromechanical Properties of Langasite Resonators at Elevated Temperatures;
Journal of Renewable Energy 33 (2008) 336-341; doi.org/10.1016/j.renene.2007.05.016