A magnetic field probe, particularly for magnetic resonance applications, comprising: - a detector liquid that exhibits a nuclear magnetic resonance line characterized by a chemical shift δ; - an electrically conductive structure surrounding a detection region of the detector liquid for receiving therefrom a magnetic resonance signal; and - a container containing the detector liquid; - the detector liquid containing paramagnetic dopant means dissolved therein; - the field probe optionally containing at least one magnetized component, excluding the detector liquid; - the NMR transition associated with said NMR line having an observable resonance frequency ω when the field probe is placed in an external magnetic field B 0; - the field probe having orientation means for orienting the field probe in relation to a reference direction of said external magnetic field; characterized in that the concentration c d of said paramagnetic dopant means is selected in such manner that, when the field probe is placed into said external magnetic field B 0 and oriented in a predefined manner with respect to said external magnetic field at a given temperature T 0, a temperature dependence ω'(T 0) of said resonance frequency ω defined as ω ′ T 0: = ∂ ω ∂ T T 0 = γB 0 ∑ i n i χ i ′ T 0 + D d χ d ′ c d T 0 + δ ′ T 0 is substantially zero, wherein: γ is the gyromagnetic ratio of the nucleus giving rise to said NMR line; i denotes any magnetized component of the probe, excluding the detector liquid; n i is the relative field factor of the microscopic magnetic field at the position of the detection region produced by the magnetized component i; χ i ′ T 0 is the temperature dependence of the volume susceptibility of component i at temperature T 0; D d is the relative field factor of the microscopic magnetic field at the position of the detection region produced by the magnetized detector liquid; χ d ′ c d T 0 is the total temperature dependence of the volume susceptibility of the detector liquid including dopant means at the concentration c d thereof at temperature T 0; and δ' ( T 0) is the temperature dependence of the total chemical shift of the nuclear magnetic resonance under study. - a detector liquid that exhibits a nuclear magnetic resonance line characterized by a chemical shift δ; - an electrically conductive structure surrounding a detection region of the detector liquid for receiving therefrom a magnetic resonance signal; and - a container containing the detector liquid; - the detector liquid containing paramagnetic dopant means dissolved therein; - the field probe optionally containing at least one magnetized component, excluding the detector liquid; - the NMR transition associated with said NMR line having an observable resonance frequency ω when the field probe is placed in an external magnetic field B 0; - the field probe having orientation means for orienting the field probe in relation to a reference direction of said external magnetic field; γ is the gyromagnetic ratio of the nucleus giving rise to said NMR line; i denotes any magnetized component of the probe, excluding the detector liquid; n i is the relative field factor of the microscopic magnetic field at the position of the detection region produced by the magnetized component i; χ i ′ T 0 is the temperature dependence of the volume susceptibility of component i at temperature T 0; D d is the relative field factor of the microscopic magnetic field at the position of the detection region produced by the magnetized detector liquid; χ d ′ c d T 0 is the total temperature dependence of the volume susceptibility of the detector liquid including dopant means at the concentration c d thereof at temperature T 0; and δ' ( T 0) is the temperature dependence of the total chemical shift of the nuclear magnetic resonance under study.