Michal Gulka
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View article: Linker‐Free Covalent DNA Functionalization of Quantum‐Grade Nanodiamonds
Linker‐Free Covalent DNA Functionalization of Quantum‐Grade Nanodiamonds Open
Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers are promising quantum sensors for biological environments, utilizing the NV spin relaxation susceptibility to its environment. Since unfunctionalized ND probes cannot directly discrimin…
View article: Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process
Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process Open
Nanodiamonds with nitrogen vacancy (NV) centers are a promising workhorse for myriad applications, from quantum sensing to bioimaging. However, despite two decades of extensive research, their use remains limited by the lack of scalable me…
View article: Concentration-dependent photophysics of InP/ZnS quantum dots: surface still matters despite thick shells
Concentration-dependent photophysics of InP/ZnS quantum dots: surface still matters despite thick shells Open
Core-shell InP/ZnS quantum dots exhibit the dilution-induced suppression of luminescence efficiency and lifetime. The results show that even in type-I heterostructures with thick shells excitonic wavefunctions remain susceptible to surface…
View article: Modulating lifetime distribution through variable excitation pulse length and power: a case study on colloidal PbS quantum dots
Modulating lifetime distribution through variable excitation pulse length and power: a case study on colloidal PbS quantum dots Open
We investigated the laser power-dependent photoluminescence (PL) decay profiles of oleic-acid capped PbS quantum dots (QDs) in toluene, with a mean size of approximately 2.6 nm, under both long duration (LD) and short duration (SD) excitat…
View article: Surface Optimization of Nanodiamonds Using Non-Thermal Plasma
Surface Optimization of Nanodiamonds Using Non-Thermal Plasma Open
View article: Inside Back Cover: Long Spin Relaxation Times in CVD‐Grown Nanodiamonds (Adv. Quantum Technol. 12/2023)
Inside Back Cover: Long Spin Relaxation Times in CVD‐Grown Nanodiamonds (Adv. Quantum Technol. 12/2023) Open
View article: Long Spin Relaxation Times in CVD‐Grown Nanodiamonds
Long Spin Relaxation Times in CVD‐Grown Nanodiamonds Open
Currently, the primary applications of fluorescent nanodiamonds (FNDs) are in the area of biosensing, by using photoluminescence or spin properties of color centres, mainly represented by the nitrogen vacancy (NV) point defect. The sensiti…
View article: Exploiting ionization dynamics in the nitrogen vacancy center for rapid, high-contrast spin, and charge state initialization
Exploiting ionization dynamics in the nitrogen vacancy center for rapid, high-contrast spin, and charge state initialization Open
We propose and experimentally demonstrate a method to strongly increase the sensitivity of spin measure-ments on nitrogen vacancy (NV) centers in diamond, which can be readily implemented in existing quantum sensing experiments. While char…
View article: Magnetic field sensitivity of the photoelectrically read nitrogen-vacancy centers in diamond
Magnetic field sensitivity of the photoelectrically read nitrogen-vacancy centers in diamond Open
In this work, we report on the sensitivity of photo-electrical detection of magnetic resonances (PDMR) for magnetometry measurement using low density nitrogen vacancy (NV) ensembles in CVD-grown diamond. We demonstrate that the selection o…
View article: Photoelectric Detection of Nitrogen‐Vacancy Centers Magnetic Resonances in Diamond: Role of Charge Exchanges with Other Optoelectrically Active Defects
Photoelectric Detection of Nitrogen‐Vacancy Centers Magnetic Resonances in Diamond: Role of Charge Exchanges with Other Optoelectrically Active Defects Open
The photoelectric detection of nitrogen‐vacancy (NV) magnetic resonance (PDMR) in diamond, used for spin state detection and based on reading the photocurrent resulting from NV ionization, offers physical and technical advantages for the d…
View article: Room-temperature control and electrical readout of individual nitrogen-vacancy nuclear spins
Room-temperature control and electrical readout of individual nitrogen-vacancy nuclear spins Open
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View article: Nanoscale Dynamic Readout of a Chemical Redox Process Using Radicals Coupled with Nitrogen-Vacancy Centers in Nanodiamonds
Nanoscale Dynamic Readout of a Chemical Redox Process Using Radicals Coupled with Nitrogen-Vacancy Centers in Nanodiamonds Open
Biocompatible nanoscale probes for sensitive detection of paramagnetic species and molecules associated with their (bio)chemical transformations would provide a desirable tool for a better understanding of cellular redox processes. Here, w…
View article: Direct Structural Identification and Quantification of the Split-Vacancy Configuration for Implanted Sn in Diamond
Direct Structural Identification and Quantification of the Split-Vacancy Configuration for Implanted Sn in Diamond Open
We demonstrate formation of the ideal split-vacancy configuration of the Sn-vacancy center upon implantation into natural diamond. Using β^{-} emission channeling following low fluence ^{121}Sn implantation (2×10^{12} atoms/cm^{2}, 60 keV)…
View article: Simultaneous label-free live imaging of cell nucleus and luminescent nanodiamonds
Simultaneous label-free live imaging of cell nucleus and luminescent nanodiamonds Open
View article: Publisher’s Note: Pulsed Photoelectric Coherent Manipulation and Detection of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">N</mml:mi><mml:mtext>−</mml:mtext><mml:mi>V</mml:mi></mml:mrow></mml:math> Center Spins In Diamond [Phys. Rev. Applied <b>7</b>, 044032 (2017)]
Publisher’s Note: Pulsed Photoelectric Coherent Manipulation and Detection of Center Spins In Diamond [Phys. Rev. Applied <b>7</b>, 044032 (2017)] Open
Received 22 May 2017DOI:https://doi.org/10.1103/PhysRevApplied.7.069901© 2017 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasCoherent controlNitrogen vacancy centers in diamondOptoelectronicsPhotoconductivityQuantum…
View article: Enhanced photoelectric detection of NV magnetic resonances in diamond under dual-beam excitation
Enhanced photoelectric detection of NV magnetic resonances in diamond under dual-beam excitation Open
The core issue for the implementation of the diamond NV centre qubits\ntechnology is the sensitive readout of NV spin state. We have recently\ndemonstrated the photoelectric detection of NV magnetic resonances (PDMR),\nanticipated to be fa…
View article: Photoelectric detection of electron spin resonance of nitrogen-vacancy centres in diamond
Photoelectric detection of electron spin resonance of nitrogen-vacancy centres in diamond Open